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New INFO field aof_delayed_fsync introduced.

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This new field counts all the times Redis is configured with AOF enabled and
fsync policy 'everysec', but the previous fsync performed by the
background thread was not able to complete within two seconds, forcing
Redis to perform a write against the AOF file while the fsync is still
in progress (likely a blocking operation).
This commit is contained in:
antirez
2012-03-25 11:27:35 +02:00
parent 512f682340
commit c1d01b3c57
4 changed files with 8 additions and 2 deletions
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7
src/redis.c
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@ -1007,6 +1007,7 @@ void initServerConfig() {
server.aof_rewrite_base_size = 0;
server.aof_rewrite_scheduled = 0;
server.aof_last_fsync = time(NULL);
server.aof_delayed_fsync = 0;
server.aof_fd = -1;
server.aof_selected_db = -1; /* Make sure the first time will not match */
server.aof_flush_postponed_start = 0;
@ -1802,12 +1803,14 @@ sds genRedisInfoString(char *section) {
"aof_base_size:%lld\r\n"
"aof_pending_rewrite:%d\r\n"
"aof_buffer_length:%zu\r\n"
"aof_pending_bio_fsync:%llu\r\n",
"aof_pending_bio_fsync:%llu\r\n"
"aof_delayed_fsync:%lu\r\n",
(long long) server.aof_current_size,
(long long) server.aof_rewrite_base_size,
server.aof_rewrite_scheduled,
sdslen(server.aof_buf),
bioPendingJobsOfType(REDIS_BIO_AOF_FSYNC));
bioPendingJobsOfType(REDIS_BIO_AOF_FSYNC),
server.aof_delayed_fsync);
}
if (server.loading) {