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Redis.conf comment about tcp-backlog option improved.

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1 parent 7be946f commit e40d3e28e8ac63f840473f15c8b7a640cd314598 @antirez committed Jan 31, 2014
Showing with 7 additions and 1 deletion.
  1. +7 −1 redis.conf
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@@ -44,7 +44,13 @@ pidfile /var/run/redis.pid
# If port 0 is specified Redis will not listen on a TCP socket.
port 6379
-# TCP listen() backlog
+# TCP listen() backlog.
+#
+# In high requests-per-second environments you need an high backlog in order
+# to avoid slow clients connections issues. Note that the Linux kernel
+# will silently truncate it to the value of /proc/sys/net/core/somaxconn so
+# make sure to raise both the value of somaxconn and tcp_max_syn_backlog
+# in order to get the desired effect.
tcp-backlog 511
# By default Redis listens for connections from all the network interfaces

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