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Sentinel: report instances role switch events.

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This is useful mostly for debugging of issues.
This commit is contained in:
antirez 2014-02-20 12:13:52 +01:00
parent e087d8a20d
commit 7d7b3810e7
1 changed files with 8 additions and 0 deletions
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8
src/sentinel.c
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@ -1770,6 +1770,14 @@ void sentinelRefreshInstanceInfo(sentinelRedisInstance *ri, const char *info) {
ri->role_reported_time = mstime();
ri->role_reported = role;
if (role == SRI_SLAVE) ri->slave_conf_change_time = mstime();
/* Log the event with +role-change if the new role is coherent or
* with -role-change if there is a mismatch with the current config. */
sentinelEvent(REDIS_VERBOSE,
((ri->flags & (SRI_MASTER|SRI_SLAVE)) == role) ?
"+role-change" : "-role-change",
ri, "%@ new reported role is %s",
role == SRI_MASTER ? "master" : "slave",
ri->flags & SRI_MASTER ? "master" : "slave");
}
/* Handle master -> slave role switch. */