469 lines
19 KiB
Plaintext
469 lines
19 KiB
Plaintext
# Ardb configuration file example, modified from redis's conf file.
|
|
|
|
# Home dir for ardb instance, it can be referenced by ${ARDB_HOME} in this config file
|
|
home .
|
|
|
|
# Note on units: when memory size is needed, it is possible to specify
|
|
# it in the usual form of 1k 5GB 4M and so forth:
|
|
#
|
|
# 1k => 1000 bytes
|
|
# 1kb => 1024 bytes
|
|
# 1m => 1000000 bytes
|
|
# 1mb => 1024*1024 bytes
|
|
# 1g => 1000000000 bytes
|
|
# 1gb => 1024*1024*1024 bytes
|
|
#
|
|
# units are case insensitive so 1GB 1Gb 1gB are all the same.
|
|
|
|
# By default Ardb does not run as a daemon. Use 'yes' if you need it.
|
|
daemonize yes
|
|
|
|
# When running daemonized, Ardb writes a pid file in ${ARDB_HOME}/ardb.pid by
|
|
# default. You can specify a custom pid file location here.
|
|
pidfile ${ARDB_HOME}/ardb.pid
|
|
|
|
# The thread pool size for the corresponding all listen servers, -1 means current machine's cpu number
|
|
thread-pool-size 4
|
|
|
|
#Accept connections on the specified host&port/unix socket, default is 0.0.0.0:16379.
|
|
server[0].listen 0.0.0.0:16579
|
|
# If current qps exceed the limit, Ardb would return an error.
|
|
#server[0].qps-limit 1000
|
|
|
|
#listen on unix socket
|
|
#server[1].listen /tmp/ardb.sock
|
|
#server[1].unixsocketperm 755
|
|
#server[1].qps-limit 1000
|
|
|
|
# 'qps-limit-per-host' used to limit the request per second from same host
|
|
# 'qps-limit-per-connection' used to limit the request per second from same connection
|
|
qps-limit-per-host 0
|
|
qps-limit-per-connection 0
|
|
|
|
# Specify the optimized RocksDB compaction strategies.
|
|
# If anything other than none is set then the rocksdb.options will not be used.
|
|
# The property can one of:
|
|
# OptimizeLevelStyleCompaction
|
|
# OptimizeUniversalStyleCompaction
|
|
# none
|
|
#
|
|
rocksdb.compaction OptimizeLevelStyleCompaction
|
|
|
|
# Enable this to indicate that hsca/sscan/zscan command use total order mode for rocksdb engine
|
|
rocksdb.scan-total-order false
|
|
|
|
# Disable RocksDB WAL may improve the write performance but
|
|
# data in the un-flushed memtables might be lost in case of a RocksDB shutdown.
|
|
# Disabling WAL provides similar guarantees as Redis.
|
|
rocksdb.disableWAL false
|
|
|
|
#rocksdb's options
|
|
rocksdb.options write_buffer_size=1024M;max_write_buffer_number=5;min_write_buffer_number_to_merge=3;compression=kSnappyCompression;\
|
|
bloom_locality=1;memtable_prefix_bloom_size_ratio=0.1;\
|
|
block_based_table_factory={block_cache=512M;filter_policy=bloomfilter:10:true};\
|
|
create_if_missing=true;max_open_files=10000;rate_limiter_bytes_per_sec=50M;\
|
|
use_direct_io_for_flush_and_compaction=true;use_adaptive_mutex=true
|
|
|
|
#leveldb's options
|
|
leveldb.options block_cache_size=512M,write_buffer_size=128M,max_open_files=5000,block_size=4k,block_restart_interval=16,\
|
|
bloom_bits=10,compression=snappy,logenable=yes,max_file_size=2M
|
|
|
|
#lmdb's options
|
|
lmdb.options database_maxsize=10G,database_maxdbs=4096,readahead=no,batch_commit_watermark=1024
|
|
|
|
#perconaft's options
|
|
perconaft.options cache_size=128M,compression=snappy
|
|
|
|
#wiredtiger's options
|
|
wiredtiger.options cache_size=512M,session_max=8k,chunk_size=100M,block_size=4k,bloom_bits=10,\
|
|
mmap=false,compressor=snappy
|
|
|
|
#forestdb's options
|
|
forestdb.options chunksize=8,blocksize=4K
|
|
|
|
# Close the connection after a client is idle for N seconds (0 to disable)
|
|
timeout 0
|
|
|
|
# TCP keepalive.
|
|
#
|
|
# If non-zero, use SO_KEEPALIVE to send TCP ACKs to clients in absence
|
|
# of communication. This is useful for two reasons:
|
|
#
|
|
# 1) Detect dead peers.
|
|
# 2) Take the connection alive from the point of view of network
|
|
# equipment in the middle.
|
|
#
|
|
# On Linux, the specified value (in seconds) is the period used to send ACKs.
|
|
# Note that to close the connection the double of the time is needed.
|
|
# On other kernels the period depends on the kernel configuration.
|
|
#
|
|
# A reasonable value for this option is 60 seconds.
|
|
tcp-keepalive 0
|
|
|
|
# Specify the server verbosity level.
|
|
# This can be one of:
|
|
# error
|
|
# warn
|
|
# info
|
|
# debug
|
|
# trace
|
|
loglevel info
|
|
|
|
# Specify the log file name. Also 'stdout' can be used to force
|
|
# Redis to log on the standard output. Note that if you use standard
|
|
# output for logging but daemonize, logs will be sent to /dev/null
|
|
#logfile ${ARDB_HOME}/log/ardb-server.log
|
|
logfile stdout
|
|
|
|
|
|
# The working data directory.
|
|
#
|
|
# The DB will be written inside this directory, with the filename specified
|
|
# above using the 'dbfilename' configuration directive.
|
|
#
|
|
# The Append Only File will also be created inside this directory.
|
|
#
|
|
# Note that you must specify a directory here, not a file name.
|
|
data-dir ${ARDB_HOME}/data
|
|
|
|
################################# REPLICATION #################################
|
|
|
|
# Master-Slave replication. Use slaveof to make a Ardb instance a copy of
|
|
# another Ardb server. Note that the configuration is local to the slave
|
|
# so for example it is possible to configure the slave to save the DB with a
|
|
# different interval, or to listen to another port, and so on.
|
|
#
|
|
# slaveof <masterip>:<masterport>
|
|
#slaveof 127.0.0.1:6379
|
|
|
|
|
|
# By default, ardb use 2 threads to execute commands synced from master.
|
|
# -1 means use current CPU number threads instead.
|
|
slave-workers 2
|
|
|
|
# Max synced command queue size in memory.
|
|
max-slave-worker-queue 1024
|
|
|
|
# The directory for replication.
|
|
repl-dir ${ARDB_HOME}/repl
|
|
|
|
|
|
# When a slave loses its connection with the master, or when the replication
|
|
# is still in progress, the slave can act in two different ways:
|
|
#
|
|
# 1) if slave-serve-stale-data is set to 'yes' (the default) the slave will
|
|
# still reply to client requests, possibly with out of date data, or the
|
|
# data set may just be empty if this is the first synchronization.
|
|
#
|
|
# 2) if slave-serve-stale-data is set to 'no' the slave will reply with
|
|
# an error "SYNC with master in progress" to all the kind of commands
|
|
# but to INFO and SLAVEOF.
|
|
#
|
|
slave-serve-stale-data yes
|
|
|
|
# The slave priority is an integer number published by Ardb/Redis in the INFO output.
|
|
# It is used by Redis Sentinel in order to select a slave to promote into a
|
|
# master if the master is no longer working correctly.
|
|
#
|
|
# A slave with a low priority number is considered better for promotion, so
|
|
# for instance if there are three slaves with priority 10, 100, 25 Sentinel will
|
|
# pick the one with priority 10, that is the lowest.
|
|
#
|
|
# However a special priority of 0 marks the slave as not able to perform the
|
|
# role of master, so a slave with priority of 0 will never be selected by
|
|
# Redis Sentinel for promotion.
|
|
#
|
|
# By default the priority is 100.
|
|
slave-priority 100
|
|
|
|
# You can configure a slave instance to accept writes or not. Writing against
|
|
# a slave instance may be useful to store some ephemeral data (because data
|
|
# written on a slave will be easily deleted after resync with the master) but
|
|
# may also cause problems if clients are writing to it because of a
|
|
# misconfiguration.
|
|
#
|
|
# Note: read only slaves are not designed to be exposed to untrusted clients
|
|
# on the internet. It's just a protection layer against misuse of the instance.
|
|
# Still a read only slave exports by default all the administrative commands
|
|
# such as CONFIG, DEBUG, and so forth. To a limited extent you can improve
|
|
# security of read only slaves using 'rename-command' to shadow all the
|
|
# administrative / dangerous commands.
|
|
#
|
|
# Note: any requests processed by non read only slaves would no write to replication
|
|
# log and sync to connected slaves.
|
|
slave-read-only yes
|
|
|
|
# The directory for backup.
|
|
backup-dir ${ARDB_HOME}/backup
|
|
#
|
|
# You can configure the backup file format as 'redis' or 'ardb'. The 'ardb' format
|
|
# can only used by ardb instance, while 'redis' format file can be used by redis
|
|
# and ardb instance.
|
|
backup-file-format ardb
|
|
|
|
|
|
# Slaves send PINGs to server in a predefined interval. It's possible to change
|
|
# this interval with the repl_ping_slave_period option. The default value is 10
|
|
# seconds.
|
|
#
|
|
# repl-ping-slave-period 10
|
|
|
|
# The following option sets a timeout for both Bulk transfer I/O timeout and
|
|
# master data or ping response timeout. The default value is 60 seconds.
|
|
#
|
|
# It is important to make sure that this value is greater than the value
|
|
# specified for repl-ping-slave-period otherwise a timeout will be detected
|
|
# every time there is low traffic between the master and the slave.
|
|
#
|
|
# repl-timeout 60
|
|
|
|
# Disable TCP_NODELAY on the slave socket after SYNC?
|
|
#
|
|
# If you select "yes" Ardb will use a smaller number of TCP packets and
|
|
# less bandwidth to send data to slaves. But this can add a delay for
|
|
# the data to appear on the slave side, up to 40 milliseconds with
|
|
# Linux kernels using a default configuration.
|
|
#
|
|
# If you select "no" the delay for data to appear on the slave side will
|
|
# be reduced but more bandwidth will be used for replication.
|
|
#
|
|
# By default we optimize for low latency, but in very high traffic conditions
|
|
# or when the master and slaves are many hops away, turning this to "yes" may
|
|
# be a good idea.
|
|
repl-disable-tcp-nodelay no
|
|
|
|
# Set the replication backlog size. The backlog is a buffer that accumulates
|
|
# slave data when slaves are disconnected for some time, so that when a slave
|
|
# wants to reconnect again, often a full resync is not needed, but a partial
|
|
# resync is enough, just passing the portion of data the slave missed while
|
|
# disconnected.
|
|
#
|
|
# The biggest the replication backlog, the longer the time the slave can be
|
|
# disconnected and later be able to perform a partial resynchronization.
|
|
#
|
|
# If the size is configured by 0, then Ardb instance can NOT serve as a master.
|
|
#
|
|
# repl-backlog-size 500m
|
|
repl-backlog-size 1G
|
|
repl-backlog-cache-size 100M
|
|
snapshot-max-lag-offset 500M
|
|
|
|
# Set the max number of snapshots. By default this limit is set to 10 snapshot.
|
|
# Once the limit is reached Ardb would try to remove the oldest snapshots
|
|
maxsnapshots 10
|
|
|
|
# It is possible for a master to stop accepting writes if there are less than
|
|
# N slaves connected, having a lag less or equal than M seconds.
|
|
#
|
|
# The N slaves need to be in "online" state.
|
|
#
|
|
# The lag in seconds, that must be <= the specified value, is calculated from
|
|
# the last ping received from the slave, that is usually sent every second.
|
|
#
|
|
# This option does not GUARANTEE that N replicas will accept the write, but
|
|
# will limit the window of exposure for lost writes in case not enough slaves
|
|
# are available, to the specified number of seconds.
|
|
#
|
|
# For example to require at least 3 slaves with a lag <= 10 seconds use:
|
|
#
|
|
# min-slaves-to-write 3
|
|
# min-slaves-max-lag 10
|
|
|
|
# When a slave loses its connection with the master, or when the replication
|
|
# is still in progress, the slave can act in two different ways:
|
|
#
|
|
# 1) if slave-serve-stale-data is set to 'yes' (the default) the slave will
|
|
# still reply to client requests, possibly with out of date data, or the
|
|
# data set may just be empty if this is the first synchronization.
|
|
#
|
|
# 2) if slave-serve-stale-data is set to 'no' the slave will reply with
|
|
# an error "SYNC with master in progress" to all the kind of commands
|
|
# but to INFO and SLAVEOF.
|
|
#
|
|
slave-serve-stale-data yes
|
|
|
|
# After a master has no longer connected slaves for some time, the backlog
|
|
# will be freed. The following option configures the amount of seconds that
|
|
# need to elapse, starting from the time the last slave disconnected, for
|
|
# the backlog buffer to be freed.
|
|
#
|
|
# A value of 0 means to never release the backlog.
|
|
#
|
|
# repl-backlog-ttl 3600
|
|
|
|
# Slave clear current data store before full resync to master.
|
|
# It make sure that slave keep consistent with master's data. But slave may cost a
|
|
# long time to delete data, it depends on
|
|
# If set by no, then slave may have different data with master.
|
|
slave-cleardb-before-fullresync yes
|
|
|
|
# Master/Slave instance would persist sync state every 'repl-backlog-sync-period' secs.
|
|
repl-backlog-sync-period 5
|
|
|
|
# Slave would ignore any 'expire' setting from replication command if set by 'yes'.
|
|
# It could be used if master is redis instance serve hot data with expire setting, slave is
|
|
# ardb instance which persist all data.
|
|
# Since master redis instance would generate a 'del' for each expired key, slave should ignore
|
|
# all 'del' command too by setting 'slave-ignore-del' to 'yes' for this scenario.
|
|
slave-ignore-expire no
|
|
slave-ignore-del no
|
|
|
|
# After a master has no longer connected slaves for some time, the backlog
|
|
# will be freed. The following option configures the amount of seconds that
|
|
# need to elapse, starting from the time the last slave disconnected, for
|
|
# the backlog buffer to be freed.
|
|
#
|
|
# A value of 0 means to never release the backlog.
|
|
#
|
|
# repl-backlog-ttl 3600
|
|
|
|
|
|
################################## SECURITY ###################################
|
|
|
|
# Require clients to issue AUTH <PASSWORD> before processing any other
|
|
# commands. This might be useful in environments in which you do not trust
|
|
# others with access to the host running redis-server.
|
|
#
|
|
# This should stay commented out for backward compatibility and because most
|
|
# people do not need auth (e.g. they run their own servers).
|
|
#
|
|
# Warning: since Redis is pretty fast an outside user can try up to
|
|
# 150k passwords per second against a good box. This means that you should
|
|
# use a very strong password otherwise it will be very easy to break.
|
|
#
|
|
# requirepass foobared
|
|
|
|
# Command renaming.
|
|
#
|
|
# It is possible to change the name of dangerous commands in a shared
|
|
# environment. For instance the CONFIG command may be renamed into something
|
|
# hard to guess so that it will still be available for internal-use tools
|
|
# but not available for general clients.
|
|
#
|
|
# Example:
|
|
#
|
|
# rename-command CONFIG b840fc02d524045429941cc15f59e41cb7be6c52
|
|
#
|
|
# It is also possible to completely kill a command by renaming it into
|
|
# an empty string:
|
|
#
|
|
# rename-command CONFIG ""
|
|
#
|
|
# Please note that changing the name of commands that are logged into the
|
|
# AOF file or transmitted to slaves may cause problems.
|
|
|
|
################################ CLUSTER ###############################
|
|
|
|
# Max execution time of a Lua script in milliseconds.
|
|
#zookeeper-servers 127.0.0.1:2181,127.0.0.1:2182,127.0.0.1:2183
|
|
#zk-recv-timeout 10000
|
|
#zk-clientid-file ${ARDB_HOME}/ardb.zkclientid
|
|
cluster-name ardb-cluster
|
|
|
|
|
|
################################### LIMITS ####################################
|
|
|
|
# Set the max number of connected clients at the same time. By default
|
|
# this limit is set to 10000 clients, however if the Redis server is not
|
|
# able to configure the process file limit to allow for the specified limit
|
|
# the max number of allowed clients is set to the current file limit
|
|
# minus 32 (as Redis reserves a few file descriptors for internal uses).
|
|
#
|
|
# Once the limit is reached Redis will close all the new connections sending
|
|
# an error 'max number of clients reached'.
|
|
#
|
|
# maxclients 10000
|
|
|
|
|
|
# The client output buffer limits can be used to force disconnection of clients
|
|
# that are not reading data from the server fast enough for some reason (a
|
|
# common reason is that a Pub/Sub/Slave client can't consume messages as fast as the
|
|
# publisher can produce them).
|
|
slave-client-output-buffer-limit 256mb
|
|
pubsub-client-output-buffer-limit 32mb
|
|
|
|
################################## SLOW LOG ###################################
|
|
|
|
# The Redis Slow Log is a system to log queries that exceeded a specified
|
|
# execution time. The execution time does not include the I/O operations
|
|
# like talking with the client, sending the reply and so forth,
|
|
# but just the time needed to actually execute the command (this is the only
|
|
# stage of command execution where the thread is blocked and can not serve
|
|
# other requests in the meantime).
|
|
#
|
|
# You can configure the slow log with two parameters: one tells Redis
|
|
# what is the execution time, in microseconds, to exceed in order for the
|
|
# command to get logged, and the other parameter is the length of the
|
|
# slow log. When a new command is logged the oldest one is removed from the
|
|
# queue of logged commands.
|
|
|
|
# The following time is expressed in microseconds, so 1000000 is equivalent
|
|
# to one second. Note that a negative number disables the slow log, while
|
|
# a value of zero forces the logging of every command.
|
|
slowlog-log-slower-than 10000
|
|
|
|
# There is no limit to this length. Just be aware that it will consume memory.
|
|
# You can reclaim memory used by the slow log with SLOWLOG RESET.
|
|
slowlog-max-len 128
|
|
|
|
################################ LUA SCRIPTING ###############################
|
|
|
|
# Max execution time of a Lua script in milliseconds.
|
|
#
|
|
# If the maximum execution time is reached Redis will log that a script is
|
|
# still in execution after the maximum allowed time and will start to
|
|
# reply to queries with an error.
|
|
#
|
|
# When a long running script exceed the maximum execution time only the
|
|
# SCRIPT KILL and SHUTDOWN NOSAVE commands are available. The first can be
|
|
# used to stop a script that did not yet called write commands. The second
|
|
# is the only way to shut down the server in the case a write commands was
|
|
# already issue by the script but the user don't want to wait for the natural
|
|
# termination of the script.
|
|
#
|
|
# Set it to 0 or a negative value for unlimited execution without warnings.
|
|
lua-time-limit 5000
|
|
|
|
############################### ADVANCED CONFIG ###############################
|
|
## Since some redis clients would check info command's output, this configuration
|
|
## would be set in 'misc' section of 'info's output
|
|
#additional-misc-info redis_version:2.8.9\nredis_trick:yes
|
|
|
|
|
|
# HyperLogLog sparse representation bytes limit. The limit includes the
|
|
# 16 bytes header. When an HyperLogLog using the sparse representation crosses
|
|
# this limit, it is convereted into the dense representation.
|
|
#
|
|
# A value greater than 16000 is totally useless, since at that point the
|
|
# dense representation is more memory efficient.
|
|
#
|
|
# The suggested value is ~ 3000 in order to have the benefits of
|
|
# the space efficient encoding without slowing down too much PFADD,
|
|
# which is O(N) with the sparse encoding. Thev value can be raised to
|
|
# ~ 10000 when CPU is not a concern, but space is, and the data set is
|
|
# composed of many HyperLogLogs with cardinality in the 0 - 15000 range.
|
|
hll-sparse-max-bytes 3000
|
|
|
|
#trusted-ip 10.10.10.10
|
|
#trusted-ip 10.10.10.*
|
|
|
|
# By default Ardb would not compact whole db after loading a snapshot, which may happens
|
|
# when slave syncing from master, processing 'import' command from client.
|
|
# This configuration only works with rocksdb engine.
|
|
# If ardb dord not compact data after loading snapshot file, there would be poor read performance before rocksdb
|
|
# completes the next compaction task internally. While the compaction task would cost very long time for a huge data set.
|
|
compact-after-snapshot-load false
|
|
|
|
# Ardb would store cursor in memory
|
|
scan-redis-compatible yes
|
|
scan-cursor-expire-after 60
|
|
|
|
redis-compatible-mode yes
|
|
redis-compatible-version 2.8.0
|
|
|
|
statistics-log-period 600
|
|
|
|
|
|
# Range deletion min size trigger
|
|
range-delete-min-size 100
|