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Add REDIS_MIN_RESERVED_FDS define for open fds

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Also update the original REDIS_EVENTLOOP_FDSET_INCR to
include REDIS_MIN_RESERVED_FDS. REDIS_EVENTLOOP_FDSET_INCR
exists to make sure more than (maxclients+RESERVED) entries
are allocated, but we can only guarantee that if we include
the current value of REDIS_MIN_RESERVED_FDS as a minimum
for the INCR size.
This commit is contained in:
Matt Stancliff
2014-03-24 13:15:35 -04:00
committed by antirez
parent 1e7b99809b
commit 01fe750c6a
2 changed files with 8 additions and 7 deletions
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5
src/redis.h
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@ -123,6 +123,7 @@
#define REDIS_IP_STR_LEN INET6_ADDRSTRLEN
#define REDIS_PEER_ID_LEN (REDIS_IP_STR_LEN+32) /* Must be enough for ip:port */
#define REDIS_BINDADDR_MAX 16
#define REDIS_MIN_RESERVED_FDS 32
#define ACTIVE_EXPIRE_CYCLE_LOOKUPS_PER_LOOP 20 /* Loopkups per loop. */
#define ACTIVE_EXPIRE_CYCLE_FAST_DURATION 1000 /* Microseconds */
@ -139,9 +140,9 @@
#define REDIS_LONGSTR_SIZE 21 /* Bytes needed for long -> str */
#define REDIS_AOF_AUTOSYNC_BYTES (1024*1024*32) /* fdatasync every 32MB */
/* When configuring the Redis eventloop, we setup it so that the total number
* of file descriptors we can handle are server.maxclients + FDSET_INCR
* of file descriptors we can handle are server.maxclients + RESERVED_FDS + FDSET_INCR
* that is our safety margin. */
#define REDIS_EVENTLOOP_FDSET_INCR 128
#define REDIS_EVENTLOOP_FDSET_INCR (REDIS_MIN_RESERVED_FDS+96)
/* Hash table parameters */
#define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */