TODO updated

[redis.git] / redis.conf

diff --git a/redis.conf b/redis.conf
index e7b5b9d07dbb5e8b967a42abd03ddaa911861f3c..fc1e9dd9082f52100c742dc2e07246303483528d 100644 (file)
--- a/redis.conf
+++ b/redis.conf
@@ -97,6 +97,13 @@ databases 16
 # If all this fails, Redis will start to reply with errors to commands
 # that will use more memory, like SET, LPUSH, and so on, and will continue
 # to reply to most read-only commands like GET.
+#
+# WARNING: maxmemory can be a good idea mainly if you want to use Redis as a
+# 'state' server or cache, not as a real DB. When Redis is used as a real
+# database the memory usage will grow over the weeks, it will be obvious if
+# it is going to use too much memory in the long run, and you'll have the time
+# to upgrade. With maxmemory after the limit is reached you'll start to get
+# errors for write operations, and this may even lead to DB inconsistency.
 
 # maxmemory <bytes>
 
@@ -111,4 +118,15 @@ glueoutputbuf yes
 # string in your dataset, but performs lookups against the shared objects
 # pool so it uses more CPU and can be a bit slower. Usually it's a good
 # idea.
+#
+# When object sharing is enabled (shareobjects yes) you can use
+# shareobjectspoolsize to control the size of the pool used in order to try
+# object sharing. A bigger pool size will lead to better sharing capabilities.
+# In general you want this value to be at least the double of the number of
+# very common strings you have in your dataset.
+#
+# WARNING: object sharing is experimental, don't enable this feature
+# in production before of Redis 1.0-stable. Still please try this feature in
+# your development environment so that we can test it better.
 shareobjects no
+shareobjectspoolsize 1024