X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/2612e0521fde55db2c720092d4ad02a8f015f46e..994ed2bc552f4114b1f0c8dd3fd8aefaec6beeae:/redis.conf?ds=sidebyside diff --git a/redis.conf b/redis.conf index 5ec2d029..098c28da 100644 --- a/redis.conf +++ b/redis.conf @@ -21,6 +21,7 @@ daemonize no pidfile /var/run/redis.pid # Accept connections on the specified port, default is 6379. +# If port 0 is specified Redis will not listen on a TCP socket. port 6379 # If you want you can bind a single interface, if the bind option is not @@ -50,6 +51,16 @@ loglevel verbose # output for logging but daemonize, logs will be sent to /dev/null logfile stdout +# To enable logging to the system logger, just set 'syslog-enabled' to yes, +# and optionally update the other syslog parameters to suit your needs. +# syslog-enabled no + +# Specify the syslog identity. +# syslog-ident redis + +# Specify the syslog facility. Must be USER or between LOCAL0-LOCAL7. +# syslog-facility local0 + # Set the number of databases. The default database is DB 0, you can select # a different one on a per-connection basis using SELECT where # dbid is a number between 0 and 'databases'-1 @@ -281,91 +292,60 @@ appendfsync everysec # "no" that is the safest pick from the point of view of durability. no-appendfsync-on-rewrite no -################################ VIRTUAL MEMORY ############################### - -# Virtual Memory allows Redis to work with datasets bigger than the actual -# amount of RAM needed to hold the whole dataset in memory. -# In order to do so very used keys are taken in memory while the other keys -# are swapped into a swap file, similarly to what operating systems do -# with memory pages. -# -# To enable VM just set 'vm-enabled' to yes, and set the following three -# VM parameters accordingly to your needs. - -vm-enabled no -# vm-enabled yes - -# This is the path of the Redis swap file. As you can guess, swap files -# can't be shared by different Redis instances, so make sure to use a swap -# file for every redis process you are running. Redis will complain if the -# swap file is already in use. -# -# The best kind of storage for the Redis swap file (that's accessed at random) -# is a Solid State Disk (SSD). +# Automatic rewrite of the append only file. +# Redis is able to automatically rewrite the log file implicitly calling +# BGREWRITEAOF when the AOF log size will growth by the specified percentage. +# +# This is how it works: Redis remembers the size of the AOF file after the +# latest rewrite (or if no rewrite happened since the restart, the size of +# the AOF at startup is used). # -# *** WARNING *** if you are using a shared hosting the default of putting -# the swap file under /tmp is not secure. Create a dir with access granted -# only to Redis user and configure Redis to create the swap file there. -vm-swap-file /tmp/redis.swap - -# vm-max-memory configures the VM to use at max the specified amount of -# RAM. Everything that deos not fit will be swapped on disk *if* possible, that -# is, if there is still enough contiguous space in the swap file. +# This base size is compared to the current size. If the current size is +# bigger than the specified percentage, the rewrite is triggered. Also +# you need to specify a minimal size for the AOF file to be rewritten, this +# is useful to avoid rewriting the AOF file even if the percentage increase +# is reached but it is still pretty small. # -# With vm-max-memory 0 the system will swap everything it can. Not a good -# default, just specify the max amount of RAM you can in bytes, but it's -# better to leave some margin. For instance specify an amount of RAM -# that's more or less between 60 and 80% of your free RAM. -vm-max-memory 0 +# Specify a precentage of zero in order to disable the automatic AOF +# rewrite feature. -# Redis swap files is split into pages. An object can be saved using multiple -# contiguous pages, but pages can't be shared between different objects. -# So if your page is too big, small objects swapped out on disk will waste -# a lot of space. If you page is too small, there is less space in the swap -# file (assuming you configured the same number of total swap file pages). -# -# If you use a lot of small objects, use a page size of 64 or 32 bytes. -# If you use a lot of big objects, use a bigger page size. -# If unsure, use the default :) -vm-page-size 32 +auto-aof-rewrite-percentage 100 +auto-aof-rewrite-min-size 64mb -# Number of total memory pages in the swap file. -# Given that the page table (a bitmap of free/used pages) is taken in memory, -# every 8 pages on disk will consume 1 byte of RAM. -# -# The total swap size is vm-page-size * vm-pages -# -# With the default of 32-bytes memory pages and 134217728 pages Redis will -# use a 4 GB swap file, that will use 16 MB of RAM for the page table. -# -# It's better to use the smallest acceptable value for your application, -# but the default is large in order to work in most conditions. -vm-pages 134217728 +################################ LUA SCRIPTING ############################### -# Max number of VM I/O threads running at the same time. -# This threads are used to read/write data from/to swap file, since they -# also encode and decode objects from disk to memory or the reverse, a bigger -# number of threads can help with big objects even if they can't help with -# I/O itself as the physical device may not be able to couple with many -# reads/writes operations at the same time. -# -# The special value of 0 turn off threaded I/O and enables the blocking -# Virtual Memory implementation. -vm-max-threads 4 +# Max execution time of a Lua script in milliseconds. +# This prevents that a programming error generating an infinite loop will block +# your server forever. Set it to 0 or a negative value for unlimited execution. +lua-time-limit 60000 ############################### ADVANCED CONFIG ############################### -# Glue small output buffers together in order to send small replies in a -# single TCP packet. Uses a bit more CPU but most of the times it is a win -# in terms of number of queries per second. Use 'yes' if unsure. -glueoutputbuf yes - # Hashes are encoded in a special way (much more memory efficient) when they # have at max a given numer of elements, and the biggest element does not # exceed a given threshold. You can configure this limits with the following # configuration directives. -hash-max-zipmap-entries 64 -hash-max-zipmap-value 512 +hash-max-zipmap-entries 512 +hash-max-zipmap-value 64 + +# Similarly to hashes, small lists are also encoded in a special way in order +# to save a lot of space. The special representation is only used when +# you are under the following limits: +list-max-ziplist-entries 512 +list-max-ziplist-value 64 + +# Sets have a special encoding in just one case: when a set is composed +# of just strings that happens to be integers in radix 10 in the range +# of 64 bit signed integers. +# The following configuration setting sets the limit in the size of the +# set in order to use this special memory saving encoding. +set-max-intset-entries 512 + +# Similarly to hashes and lists, sorted sets are also specially encoded in +# order to save a lot of space. This encoding is only used when the length and +# elements of a sorted set are below the following limits: +zset-max-ziplist-entries 128 +zset-max-ziplist-value 64 # Active rehashing uses 1 millisecond every 100 milliseconds of CPU time in # order to help rehashing the main Redis hash table (the one mapping top-level