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ed9b544 @antirez first commit
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1 # Redis configuration file example
2
3 # By default Redis does not run as a daemon. Use 'yes' if you need it.
4 # Note that Redis will write a pid file in /var/run/redis.pid when daemonized.
5 daemonize no
6
ed329fc @lucsky Allow to specify the pid file from the config file.
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7 # When run as a daemon, Redis write a pid file in /var/run/redis.pid by default.
8 # You can specify a custom pid file location here.
9 pidfile /var/run/redis.pid
10
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11 # Accept connections on the specified port, default is 6379
12 port 6379
13
14 # If you want you can bind a single interface, if the bind option is not
15 # specified all the interfaces will listen for connections.
16 #
17 # bind 127.0.0.1
18
0150db3 @tmm1 Allow timeout=0 config to disable client timeouts
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19 # Close the connection after a client is idle for N seconds (0 to disable)
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20 timeout 300
21
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22 # Set server verbosity to 'debug'
23 # it can be one of:
24 # debug (a lot of information, useful for development/testing)
25 # notice (moderately verbose, what you want in production probably)
26 # warning (only very important / critical messages are logged)
27 loglevel debug
28
29 # Specify the log file name. Also 'stdout' can be used to force
30 # the demon to log on the standard output. Note that if you use standard
31 # output for logging but daemonize, logs will be sent to /dev/null
32 logfile stdout
33
34 # Set the number of databases. The default database is DB 0, you can select
35 # a different one on a per-connection basis using SELECT <dbid> where
36 # dbid is a number between 0 and 'databases'-1
37 databases 16
38
39 ################################ SNAPSHOTTING #################################
40 #
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41 # Save the DB on disk:
42 #
43 # save <seconds> <changes>
44 #
45 # Will save the DB if both the given number of seconds and the given
46 # number of write operations against the DB occurred.
47 #
48 # In the example below the behaviour will be to save:
49 # after 900 sec (15 min) if at least 1 key changed
50 # after 300 sec (5 min) if at least 10 keys changed
51 # after 60 sec if at least 10000 keys changed
52 save 900 1
53 save 300 10
54 save 60 10000
55
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56 # Compress string objects using LZF when dump .rdb databases?
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57 # For default that's set to 'yes' as it's almost always a win.
58 # If you want to save some CPU in the saving child set it to 'no' but
59 # the dataset will likely be bigger if you have compressible values or keys.
60 rdbcompression yes
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61
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62 # The filename where to dump the DB
63 dbfilename dump.rdb
64
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65 # For default save/load DB in/from the working directory
66 # Note that you must specify a directory not a file name.
67 dir ./
68
69 ################################# REPLICATION #################################
70
71 # Master-Slave replication. Use slaveof to make a Redis instance a copy of
72 # another Redis server. Note that the configuration is local to the slave
73 # so for example it is possible to configure the slave to save the DB with a
74 # different interval, or to listen to another port, and so on.
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75 #
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76 # slaveof <masterip> <masterport>
77
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78 # If the master is password protected (using the "requirepass" configuration
79 # directive below) it is possible to tell the slave to authenticate before
80 # starting the replication synchronization process, otherwise the master will
81 # refuse the slave request.
82 #
83 # masterauth <master-password>
84
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85 ################################## SECURITY ###################################
86
87 # Require clients to issue AUTH <PASSWORD> before processing any other
88 # commands. This might be useful in environments in which you do not trust
89 # others with access to the host running redis-server.
90 #
91 # This should stay commented out for backward compatibility and because most
92 # people do not need auth (e.g. they run their own servers).
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93 #
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94 # requirepass foobared
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95
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96 ################################### LIMITS ####################################
97
98 # Set the max number of connected clients at the same time. By default there
99 # is no limit, and it's up to the number of file descriptors the Redis process
100 # is able to open. The special value '0' means no limts.
101 # Once the limit is reached Redis will close all the new connections sending
102 # an error 'max number of clients reached'.
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103 #
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104 # maxclients 128
105
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106 # Don't use more memory than the specified amount of bytes.
107 # When the memory limit is reached Redis will try to remove keys with an
108 # EXPIRE set. It will try to start freeing keys that are going to expire
109 # in little time and preserve keys with a longer time to live.
110 # Redis will also try to remove objects from free lists if possible.
111 #
112 # If all this fails, Redis will start to reply with errors to commands
113 # that will use more memory, like SET, LPUSH, and so on, and will continue
114 # to reply to most read-only commands like GET.
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115 #
116 # WARNING: maxmemory can be a good idea mainly if you want to use Redis as a
117 # 'state' server or cache, not as a real DB. When Redis is used as a real
118 # database the memory usage will grow over the weeks, it will be obvious if
119 # it is going to use too much memory in the long run, and you'll have the time
120 # to upgrade. With maxmemory after the limit is reached you'll start to get
121 # errors for write operations, and this may even lead to DB inconsistency.
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122 #
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123 # maxmemory <bytes>
124
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125 ############################## APPEND ONLY MODE ###############################
126
127 # By default Redis asynchronously dumps the dataset on disk. If you can live
128 # with the idea that the latest records will be lost if something like a crash
129 # happens this is the preferred way to run Redis. If instead you care a lot
130 # about your data and don't want to that a single record can get lost you should
131 # enable the append only mode: when this mode is enabled Redis will append
132 # every write operation received in the file appendonly.log. This file will
133 # be read on startup in order to rebuild the full dataset in memory.
134 #
135 # Note that you can have both the async dumps and the append only file if you
136 # like (you have to comment the "save" statements above to disable the dumps).
137 # Still if append only mode is enabled Redis will load the data from the
138 # log file at startup ignoring the dump.rdb file.
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139 #
140 # The name of the append only file is "appendonly.log"
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141 #
142 # IMPORTANT: Check the BGREWRITEAOF to check how to rewrite the append
143 # log file in background when it gets too big.
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144
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145 appendonly no
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146
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147 # The fsync() call tells the Operating System to actually write data on disk
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148 # instead to wait for more data in the output buffer. Some OS will really flush
149 # data on disk, some other OS will just try to do it ASAP.
150 #
151 # Redis supports three different modes:
152 #
153 # no: don't fsync, just let the OS flush the data when it wants. Faster.
154 # always: fsync after every write to the append only log . Slow, Safest.
155 # everysec: fsync only if one second passed since the last fsync. Compromise.
156 #
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157 # The default is "always" that's the safer of the options. It's up to you to
158 # understand if you can relax this to "everysec" that will fsync every second
159 # or to "no" that will let the operating system flush the output buffer when
160 # it want, for better performances (but if you can live with the idea of
161 # some data loss consider the default persistence mode that's snapshotting).
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162
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163 appendfsync always
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164 # appendfsync everysec
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165 # appendfsync no
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166
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167 ################################ VIRTUAL MEMORY ###############################
168
169 vm-enabled yes
170
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171 ############################### ADVANCED CONFIG ###############################
172
173 # Glue small output buffers together in order to send small replies in a
174 # single TCP packet. Uses a bit more CPU but most of the times it is a win
175 # in terms of number of queries per second. Use 'yes' if unsure.
176 glueoutputbuf yes
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177
178 # Use object sharing. Can save a lot of memory if you have many common
179 # string in your dataset, but performs lookups against the shared objects
180 # pool so it uses more CPU and can be a bit slower. Usually it's a good
181 # idea.
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182 #
183 # When object sharing is enabled (shareobjects yes) you can use
184 # shareobjectspoolsize to control the size of the pool used in order to try
185 # object sharing. A bigger pool size will lead to better sharing capabilities.
186 # In general you want this value to be at least the double of the number of
187 # very common strings you have in your dataset.
188 #
189 # WARNING: object sharing is experimental, don't enable this feature
190 # in production before of Redis 1.0-stable. Still please try this feature in
191 # your development environment so that we can test it better.
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192 shareobjects no
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193 shareobjectspoolsize 1024
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