498 lines
20 KiB
Plaintext
498 lines
20 KiB
Plaintext
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################################ GENERAL #####################################
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# By default kvrocks listens for connections from all the network interfaces
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# available on the server. It is possible to listen to just one or multiple
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# interfaces using the "bind" configuration directive, followed by one or
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# more IP addresses.
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#
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# Examples:
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#
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# bind 192.168.1.100 10.0.0.1
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# bind 127.0.0.1
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bind 0.0.0.0
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# Accept connections on the specified port, default is 6666.
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port 5189
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# Close the connection after a client is idle for N seconds (0 to disable)
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timeout 0
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# The number of worker's threads, increase or decrease it would effect the performance.
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workers 8
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# The number of replication worker's threads, increase or decrease it would effect the replication performance.
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# Default: 1
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repl-workers 1
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# By default kvrocks does not run as a daemon. Use 'yes' if you need it.
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# Note that kvrocks will write a pid file in /var/run/kvrocks.pid when daemonized.
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daemonize no
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# Kvrocks implements cluster solution that is similar with redis cluster sulution.
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# You can get cluster information by CLUSTER NODES|SLOTS|INFO command, it also is
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# adapted to redis-cli, redis-benchmark, redis cluster SDK and redis cluster proxy.
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# But kvrocks doesn't support to communicate with each others, so you must set
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# cluster topology by CLUSTER SETNODES|SETNODEID commands, more details: #219.
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#
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# PLEASE NOTE:
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# If you enable cluster, kvrocks will encode key with its slot id calculated by
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# CRC16 and modulo 16384, endoding key with its slot id makes it efficient to
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# migrate keys based on slot. So if you enabled at first time, cluster mode must
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# not be disabled after restarting, and vice versa. That is to say, data is not
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# compatible between standalone mode with cluster mode, you must migrate data
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# if you want to change mode, otherwise, kvrocks will make data corrupt.
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#
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# Default: no
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cluster-enabled no
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# Set the max number of connected clients at the same time. By default
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# this limit is set to 10000 clients, however if the server is not
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# able to configure the process file limit to allow for the specified limit
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# the max number of allowed clients is set to the current file limit
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#
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# Once the limit is reached the server will close all the new connections sending
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# an error 'max number of clients reached'.
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#
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maxclients 10000
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# Require clients to issue AUTH <PASSWORD> before processing any other
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# commands. This might be useful in environments in which you do not trust
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# others with access to the host running kvrocks.
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#
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# This should stay commented out for backward compatibility and because most
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# people do not need auth (e.g. they run their own servers).
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#
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# Warning: since kvrocks is pretty fast an outside user can try up to
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# 150k passwords per second against a good box. This means that you should
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# use a very strong password otherwise it will be very easy to break.
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#
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# requirepass foobared
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# If the master is password protected (using the "masterauth" configuration
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# directive below) it is possible to tell the slave to authenticate before
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# starting the replication synchronization process, otherwise the master will
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# refuse the slave request.
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#
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# masterauth foobared
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# Master-Salve replication would check db name is matched. if not, the slave should
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# refuse to sync the db from master. Don't use default value, set the db-name to identify
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# the cluster.
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db-name storage.db
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# The working directory
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#
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# The DB will be written inside this directory
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# Note that you must specify a directory here, not a file name.
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dir ./
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# The logs of server will be stored in this directory. If you don't specify
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# one directory, by default, we store logs in the working directory that set
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# by 'dir' above.
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# log-dir /tmp/kvrocks
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# When running daemonized, kvrocks writes a pid file in ${CONFIG_DIR}/kvrocks.pid by
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# default. You can specify a custom pid file location here.
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# pidfile /var/run/kvrocks.pid
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pidfile storage.pid
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# You can configure a slave instance to accept writes or not. Writing against
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# a slave instance may be useful to store some ephemeral data (because data
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# written on a slave will be easily deleted after resync with the master) but
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# may also cause problems if clients are writing to it because of a
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# misconfiguration.
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slave-read-only yes
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# The slave priority is an integer number published by Kvrocks in the INFO output.
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# It is used by Redis Sentinel in order to select a slave to promote into a
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# master if the master is no longer working correctly.
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#
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# A slave with a low priority number is considered better for promotion, so
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# for instance if there are three slave with priority 10, 100, 25 Sentinel will
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# pick the one with priority 10, that is the lowest.
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#
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# However a special priority of 0 marks the replica as not able to perform the
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# role of master, so a slave with priority of 0 will never be selected by
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# Redis Sentinel for promotion.
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#
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# By default the priority is 100.
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slave-priority 100
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# TCP listen() backlog.
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#
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# In high requests-per-second environments you need an high backlog in order
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# to avoid slow clients connections issues. Note that the Linux kernel
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# will silently truncate it to the value of /proc/sys/net/core/somaxconn so
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# make sure to raise both the value of somaxconn and tcp_max_syn_backlog
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# in order to Get the desired effect.
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tcp-backlog 511
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# If the master is an old version, it may have specified replication threads
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# that use 'port + 1' as listening port, but in new versions, we don't use
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# extra port to implement replication. In order to allow the new replicas to
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# copy old masters, you should indicate that the master uses replication port
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# or not.
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# If yes, that indicates master uses replication port and replicas will connect
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# to 'master's listening port + 1' when synchronization.
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# If no, that indicates master doesn't use replication port and replicas will
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# connect 'master's listening port' when synchronization.
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master-use-repl-port no
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# Master-Slave replication. Use slaveof to make a kvrocks instance a copy of
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# another kvrocks server. A few things to understand ASAP about kvrocks replication.
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#
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# 1) Kvrocks replication is asynchronous, but you can configure a master to
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# stop accepting writes if it appears to be not connected with at least
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# a given number of slaves.
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# 2) Kvrocks slaves are able to perform a partial resynchronization with the
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# master if the replication link is lost for a relatively small amount of
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# time. You may want to configure the replication backlog size (see the next
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# sections of this file) with a sensible value depending on your needs.
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# 3) Replication is automatic and does not need user intervention. After a
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# network partition slaves automatically try to reconnect to masters
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# and resynchronize with them.
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#
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# slaveof <masterip> <masterport>
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# slaveof 127.0.0.1 6379
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# When a slave loses its connection with the master, or when the replication
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# is still in progress, the slave can act in two different ways:
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#
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# 1) if slave-serve-stale-data is set to 'yes' (the default) the slave will
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# still reply to client requests, possibly with out of date data, or the
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# data set may just be empty if this is the first synchronization.
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#
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# 2) if slave-serve-stale-data is set to 'no' the slave will reply with
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# an error "SYNC with master in progress" to all the kind of commands
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# but to INFO and SLAVEOF.
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#
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slave-serve-stale-data yes
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# To guarantee slave's data safe and serve when it is in full synchronization
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# state, slave still keep itself data. But this way needs to occupy much disk
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# space, so we provide a way to reduce disk occupation, slave will delete itself
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# entire database before fetching files from master during full synchronization.
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# If you want to enable this way, you can set 'slave-delete-db-before-fullsync'
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# to yes, but you must know that database will be lost if master is down during
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# full synchronization, unless you have a backup of database.
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#
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# This option is similar redis replicas RDB diskless load option:
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# repl-diskless-load on-empty-db
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#
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# Default: no
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slave-empty-db-before-fullsync no
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# If replicas need full synchronization with master, master need to create
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# checkpoint for feeding replicas, and replicas also stage a checkpoint of
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# the master. If we also keep the backup, it maybe occupy extra disk space.
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# You can enable 'purge-backup-on-fullsync' if disk is not sufficient, but
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# that may cause remote backup copy failing.
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#
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# Default: no
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purge-backup-on-fullsync no
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# The maximum allowed rate (in MB/s) that should be used by Replication.
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# If the rate exceeds max-replication-mb, replication will slow down.
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# Default: 0 (i.e. no limit)
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max-replication-mb 0
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# The maximum allowed aggregated write rate of flush and compaction (in MB/s).
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# If the rate exceeds max-io-mb, io will slow down.
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# 0 is no limit
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# Default: 500
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max-io-mb 500
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# The maximum allowed space (in GB) that should be used by RocksDB.
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# If the total size of the SST files exceeds max_allowed_space, writes to RocksDB will fail.
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# Please see: https://github.com/facebook/rocksdb/wiki/Managing-Disk-Space-Utilization
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# Default: 0 (i.e. no limit)
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max-db-size 0
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# The maximum backup to keep, server cron would run every minutes to check the num of current
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# backup, and purge the old backup if exceed the max backup num to keep. If max-backup-to-keep
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# is 0, no backup would be keep. But now, we only support 0 or 1.
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max-backup-to-keep 1
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# The maximum hours to keep the backup. If max-backup-keep-hours is 0, wouldn't purge any backup.
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# default: 1 day
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max-backup-keep-hours 24
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# Ratio of the samples would be recorded when the profiling was enabled.
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# we simply use the rand to determine whether to record the sample or not.
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#
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# Default: 0
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profiling-sample-ratio 0
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# There is no limit to this length. Just be aware that it will consume memory.
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# You can reclaim memory used by the perf log with PERFLOG RESET.
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#
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# Default: 256
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profiling-sample-record-max-len 256
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# profiling-sample-record-threshold-ms use to tell the kvrocks when to record.
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#
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# Default: 100 millisecond
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profiling-sample-record-threshold-ms 100
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################################## SLOW LOG ###################################
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# The Kvrocks Slow Log is a system to log queries that exceeded a specified
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# execution time. The execution time does not include the I/O operations
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# like talking with the client, sending the reply and so forth,
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# but just the time needed to actually execute the command (this is the only
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# stage of command execution where the thread is blocked and can not serve
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# other requests in the meantime).
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#
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# You can configure the slow log with two parameters: one tells Kvrocks
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# what is the execution time, in microseconds, to exceed in order for the
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# command to get logged, and the other parameter is the length of the
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# slow log. When a new command is logged the oldest one is removed from the
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# queue of logged commands.
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# The following time is expressed in microseconds, so 1000000 is equivalent
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# to one second. Note that -1 value disables the slow log, while
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# a value of zero forces the logging of every command.
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slowlog-log-slower-than 100000
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# There is no limit to this length. Just be aware that it will consume memory.
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# You can reclaim memory used by the slow log with SLOWLOG RESET.
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slowlog-max-len 128
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# If you run kvrocks from upstart or systemd, kvrocks can interact with your
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# supervision tree. Options:
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# supervised no - no supervision interaction
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# supervised upstart - signal upstart by putting kvrocks into SIGSTOP mode
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# supervised systemd - signal systemd by writing READY=1 to $NOTIFY_SOCKET
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# supervised auto - detect upstart or systemd method based on
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# UPSTART_JOB or NOTIFY_SOCKET environment variables
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# Note: these supervision methods only signal "process is ready."
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# They do not enable continuous liveness pings back to your supervisor.
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supervised no
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################################## CRON ###################################
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# Compact Scheduler, auto compact at schedule time
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# time expression format is the same as crontab(currently only support * and int)
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# e.g. compact-cron 0 3 * * * 0 4 * * *
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# would compact the db at 3am and 4am everyday
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# compact-cron 0 3 * * *
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# The hour range that compaction checker would be active
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# e.g. compaction-checker-range 0-7 means compaction checker would be worker between
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# 0-7am every day.
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compaction-checker-range 0-7
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# Bgsave scheduler, auto bgsave at schedule time
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# time expression format is the same as crontab(currently only support * and int)
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# e.g. bgsave-cron 0 3 * * * 0 4 * * *
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# would bgsave the db at 3am and 4am everyday
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# Command renaming.
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#
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# It is possible to change the name of dangerous commands in a shared
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# environment. For instance the KEYS command may be renamed into something
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# hard to guess so that it will still be available for internal-use tools
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# but not available for general clients.
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#
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# Example:
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#
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# rename-command KEYS b840fc02d524045429941cc15f59e41cb7be6c52
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#
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# It is also possible to completely kill a command by renaming it into
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# an empty string:
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#
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# rename-command KEYS ""
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# The key-value size may so be quite different in many scenes, and use 256MiB as SST file size
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# may cause data loading(large index/filter block) ineffective when the key-value was too small.
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# kvrocks supports user-defined SST file in config(rocksdb.target_file_size_base),
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# but it still too trivial and inconvenient to adjust the different sizes for different instances.
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# so we want to periodic auto-adjust the SST size in-flight with user avg key-value size.
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#
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# If enabled, kvrocks will auto resize rocksdb.target_file_size_base
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# and rocksdb.write_buffer_size in-flight with user avg key-value size.
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# Please see #118.
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#
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# Default: yes
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auto-resize-block-and-sst yes
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################################ ROCKSDB #####################################
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# Specify the capacity of metadata column family block cache. Larger block cache
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# may make request faster while more keys would be cached. Max Size is 200*1024.
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# Default: 2048MB
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rocksdb.metadata_block_cache_size 2048
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# Specify the capacity of subkey column family block cache. Larger block cache
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# may make request faster while more keys would be cached. Max Size is 200*1024.
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# Default: 2048MB
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rocksdb.subkey_block_cache_size 2048
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# Metadata column family and subkey column family will share a single block cache
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# if set 'yes'. The capacity of shared block cache is
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# metadata_block_cache_size + subkey_block_cache_size
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#
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# Default: yes
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rocksdb.share_metadata_and_subkey_block_cache yes
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# Number of open files that can be used by the DB. You may need to
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# increase this if your database has a large working set. Value -1 means
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# files opened are always kept open. You can estimate number of files based
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# on target_file_size_base and target_file_size_multiplier for level-based
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# compaction. For universal-style compaction, you can usually set it to -1.
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# Default: 4096
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rocksdb.max_open_files 8096
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# Amount of data to build up in memory (backed by an unsorted log
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# on disk) before converting to a sorted on-disk file.
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#
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# Larger values increase performance, especially during bulk loads.
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# Up to max_write_buffer_number write buffers may be held in memory
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# at the same time,
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# so you may wish to adjust this parameter to control memory usage.
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# Also, a larger write buffer will result in a longer recovery time
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# the next time the database is opened.
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#
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# Note that write_buffer_size is enforced per column family.
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# See db_write_buffer_size for sharing memory across column families.
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# default is 64MB
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rocksdb.write_buffer_size 16
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# Target file size for compaction, target file size for Leve N can be caculated
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# by target_file_size_base * (target_file_size_multiplier ^ (L-1))
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#
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# Default: 128MB
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rocksdb.target_file_size_base 16
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# The maximum number of write buffers that are built up in memory.
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# The default and the minimum number is 2, so that when 1 write buffer
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# is being flushed to storage, new writes can continue to the other
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# write buffer.
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# If max_write_buffer_number > 3, writing will be slowed down to
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# options.delayed_write_rate if we are writing to the last write buffer
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# allowed.
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rocksdb.max_write_buffer_number 4
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# Maximum number of concurrent background compaction jobs, submitted to
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# the default LOW priority thread pool.
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rocksdb.max_background_compactions 4
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# Maximum number of concurrent background memtable flush jobs, submitted by
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# default to the HIGH priority thread pool. If the HIGH priority thread pool
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# is configured to have zero threads, flush jobs will share the LOW priority
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# thread pool with compaction jobs.
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rocksdb.max_background_flushes 4
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# This value represents the maximum number of threads that will
|
||
|
# concurrently perform a compaction job by breaking it into multiple,
|
||
|
# smaller ones that are run simultaneously.
|
||
|
# Default: 2 (i.e. no subcompactions)
|
||
|
rocksdb.max_sub_compactions 2
|
||
|
|
||
|
# In order to limit the size of WALs, RocksDB uses DBOptions::max_total_wal_size
|
||
|
# as the trigger of column family flush. Once WALs exceed this size, RocksDB
|
||
|
# will start forcing the flush of column families to allow deletion of some
|
||
|
# oldest WALs. This config can be useful when column families are updated at
|
||
|
# non-uniform frequencies. If there's no size limit, users may need to keep
|
||
|
# really old WALs when the infrequently-updated column families hasn't flushed
|
||
|
# for a while.
|
||
|
#
|
||
|
# In kvrocks, we use multiple column families to store metadata, subkeys, etc.
|
||
|
# If users always use string type, but use list, hash and other complex data types
|
||
|
# infrequently, there will be a lot of old WALs if we don't set size limit
|
||
|
# (0 by default in rocksdb), because rocksdb will dynamically choose the WAL size
|
||
|
# limit to be [sum of all write_buffer_size * max_write_buffer_number] * 4 if set to 0.
|
||
|
#
|
||
|
# Moreover, you should increase this value if you already set rocksdb.write_buffer_size
|
||
|
# to a big value, to avoid influencing the effect of rocksdb.write_buffer_size and
|
||
|
# rocksdb.max_write_buffer_number.
|
||
|
#
|
||
|
# default is 512MB
|
||
|
rocksdb.max_total_wal_size 512
|
||
|
|
||
|
# We impl the repliction with rocksdb WAL, it would trigger full sync when the seq was out of range.
|
||
|
# wal_ttl_seconds and wal_size_limit_mb would affect how archived logswill be deleted.
|
||
|
# If WAL_ttl_seconds is not 0, then WAL files will be checked every WAL_ttl_seconds / 2 and those that
|
||
|
# are older than WAL_ttl_seconds will be deleted#
|
||
|
#
|
||
|
# Default: 3 Hours
|
||
|
rocksdb.wal_ttl_seconds 10800
|
||
|
|
||
|
# If WAL_ttl_seconds is 0 and WAL_size_limit_MB is not 0,
|
||
|
# WAL files will be checked every 10 min and if total size is greater
|
||
|
# then WAL_size_limit_MB, they will be deleted starting with the
|
||
|
# earliest until size_limit is met. All empty files will be deleted
|
||
|
# Default: 16GB
|
||
|
rocksdb.wal_size_limit_mb 16384
|
||
|
|
||
|
# Approximate size of user data packed per block. Note that the
|
||
|
# block size specified here corresponds to uncompressed data. The
|
||
|
# actual size of the unit read from disk may be smaller if
|
||
|
# compression is enabled.
|
||
|
#
|
||
|
# Default: 4KB
|
||
|
rocksdb.block_size 2048
|
||
|
|
||
|
# Indicating if we'd put index/filter blocks to the block cache
|
||
|
#
|
||
|
# Default: no
|
||
|
rocksdb.cache_index_and_filter_blocks yes
|
||
|
|
||
|
# Specify the compression to use.
|
||
|
# Accept value: "no", "snappy"
|
||
|
# default snappy
|
||
|
rocksdb.compression snappy
|
||
|
|
||
|
# If non-zero, we perform bigger reads when doing compaction. If you're
|
||
|
# running RocksDB on spinning disks, you should set this to at least 2MB.
|
||
|
# That way RocksDB's compaction is doing sequential instead of random reads.
|
||
|
# When non-zero, we also force new_table_reader_for_compaction_inputs to
|
||
|
# true.
|
||
|
#
|
||
|
# Default: 2 MB
|
||
|
rocksdb.compaction_readahead_size 2097152
|
||
|
|
||
|
# he limited write rate to DB if soft_pending_compaction_bytes_limit or
|
||
|
# level0_slowdown_writes_trigger is triggered.
|
||
|
|
||
|
# If the value is 0, we will infer a value from `rater_limiter` value
|
||
|
# if it is not empty, or 16MB if `rater_limiter` is empty. Note that
|
||
|
# if users change the rate in `rate_limiter` after DB is opened,
|
||
|
# `delayed_write_rate` won't be adjusted.
|
||
|
#
|
||
|
rocksdb.delayed_write_rate 0
|
||
|
# If enable_pipelined_write is true, separate write thread queue is
|
||
|
# maintained for WAL write and memtable write.
|
||
|
#
|
||
|
# Default: no
|
||
|
rocksdb.enable_pipelined_write no
|
||
|
|
||
|
# Soft limit on number of level-0 files. We start slowing down writes at this
|
||
|
# point. A value <0 means that no writing slow down will be triggered by
|
||
|
# number of files in level-0.
|
||
|
#
|
||
|
# Default: 20
|
||
|
rocksdb.level0_slowdown_writes_trigger 20
|
||
|
|
||
|
# Maximum number of level-0 files. We stop writes at this point.
|
||
|
#
|
||
|
# Default: 40
|
||
|
rocksdb.level0_stop_writes_trigger 40
|
||
|
|
||
|
# if not zero, dump rocksdb.stats to LOG every stats_dump_period_sec
|
||
|
#
|
||
|
# Default: 0
|
||
|
rocksdb.stats_dump_period_sec 0
|
||
|
|
||
|
# if yes, the auto compaction would be disabled, but the manual compaction remain works
|
||
|
#
|
||
|
# Default: no
|
||
|
rocksdb.disable_auto_compactions no
|
||
|
################################ NAMESPACE #####################################
|
||
|
# namespace.test change.me
|
||
|
|
||
|
|
||
|
backup-dir .//backup
|
||
|
log-dir ./
|