AIL-framework/configs/6382.conf

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# 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 ../DATA_ARDB/
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# 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.
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# By default Ardb does not run as a daemon. Use 'yes' if you need it.
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daemonize no
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# When running daemonized, Ardb writes a pid file in ${ARDB_HOME}/ardb.pid by
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# default. You can specify a custom pid file location here.
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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 127.0.0.1:6382
# 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=512M;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
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# 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:
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# error
# warn
# info
# debug
# trace
loglevel info
# Specify the log file name. Also 'stdout' can be used to force
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# 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
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#logfile ${ARDB_HOME}/log/ardb-server.log
logfile stdout
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# The working data directory.
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#
# The DB will be written inside this directory, with the filename specified
# above using the 'dbfilename' configuration directive.
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#
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# The Append Only File will also be created inside this directory.
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#
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# Note that you must specify a directory here, not a file name.
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data-dir ${ARDB_HOME}/data
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################################# REPLICATION #################################
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# 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
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# 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.
#
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# 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
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# 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
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# 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
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# 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.
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#
# Note: any requests processed by non read only slaves would no write to replication
# log and sync to connected slaves.
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slave-read-only yes
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# 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
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# 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
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# 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.
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#
# 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?
#
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# If you select "yes" Ardb will use a smaller number of TCP packets and
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# 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.
#
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# If the size is configured by 0, then Ardb instance can NOT serve as a master.
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#
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# repl-backlog-size 500m
repl-backlog-size 1G
repl-backlog-cache-size 100M
snapshot-max-lag-offset 500M
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# 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
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# 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.
#
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# This option does not GUARANTEE that N replicas will accept the write, but
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# 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
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# 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.
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#
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# A value of 0 means to never release the backlog.
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#
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# repl-backlog-ttl 3600
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################################## 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).
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#
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# 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.
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################################ 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
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################################### 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
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# 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
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################################## 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).
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#
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# 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
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################################ LUA SCRIPTING ###############################
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# Max execution time of a Lua script in milliseconds.
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#
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# 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.
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#
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# 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.
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#
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# Set it to 0 or a negative value for unlimited execution without warnings.
lua-time-limit 5000
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############################### ADVANCED CONFIG ###############################
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## 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
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# 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.
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#
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# 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
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#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
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# Range deletion min size trigger
range-delete-min-size 100