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Sentinel: limit reconnection frequency to the ping period

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antirez 2015-05-13 14:23:57 +02:00
parent 0eb0b55ff0
commit 3ab49895b4
1 changed files with 7 additions and 0 deletions
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7
src/sentinel.c
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@ -146,6 +146,8 @@ typedef struct instanceLink {
mstime_t last_pong_time; /* Last time the instance replied to ping,
whatever the reply was. That's used to check
if the link is idle and must be reconnected. */
mstime_t last_reconn_time; /* Last reconnection attempt performed when
the link was down. */
} instanceLink;
typedef struct sentinelRedisInstance {
@ -921,6 +923,7 @@ instanceLink *createInstanceLink(void) {
link->pc = NULL;
link->cc_conn_time = 0;
link->pc_conn_time = 0;
link->last_reconn_time = 0;
link->pc_last_activity = 0;
/* We set the last_ping_time to "now" even if we actually don't have yet
* a connection with the node, nor we sent a ping.
@ -1826,6 +1829,10 @@ void sentinelSetClientName(sentinelRedisInstance *ri, redisAsyncContext *c, char
void sentinelReconnectInstance(sentinelRedisInstance *ri) {
if (ri->link->disconnected == 0) return;
instanceLink *link = ri->link;
mstime_t now = mstime();
if (now - ri->link->last_reconn_time < SENTINEL_PING_PERIOD) return;
ri->link->last_reconn_time = now;
/* Commands connection. */
if (link->cc == NULL) {