fluencelabs/redis
1
0
Fork 0
mirror of https://github.com/fluencelabs/redis synced 2025-06-22 05:21:33 +00:00
Code Issues Projects Releases Wiki Activity

Whitelist SIGUSR1 to avoid auto-triggering errors.

Browse Source 
This commit fixes issue #875 that was caused by the following events:

1) There is an active child doing BGSAVE.
2) flushall is called (or any other condition that makes Redis killing
the saving child process).
3) An error is sensed by Redis as the child exited with an error (killed
by a singal), that stops accepting write commands until a BGSAVE happens
to be executed with success.

Whitelisting SIGUSR1 and making sure Redis always uses this signal in
order to kill its own children fixes the issue.
This commit is contained in:
antirez
2013-01-14 10:29:14 +01:00
parent 1e20c939fe
commit 39f0a33f78
4 changed files with 8 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/redis.c
View File

@ -1695,7 +1695,7 @@ int prepareForShutdown(int flags) {
overwrite the synchronous saving did by SHUTDOWN. */
if (server.rdb_child_pid != -1) {
redisLog(REDIS_WARNING,"There is a child saving an .rdb. Killing it!");
kill(server.rdb_child_pid,SIGKILL);
kill(server.rdb_child_pid,SIGUSR1);
rdbRemoveTempFile(server.rdb_child_pid);
}
if (server.aof_state != REDIS_AOF_OFF) {
@ -1704,7 +1704,7 @@ int prepareForShutdown(int flags) {
if (server.aof_child_pid != -1) {
redisLog(REDIS_WARNING,
"There is a child rewriting the AOF. Killing it!");
kill(server.aof_child_pid,SIGKILL);
kill(server.aof_child_pid,SIGUSR1);
}
/* Append only file: fsync() the AOF and exit */
redisLog(REDIS_NOTICE,"Calling fsync() on the AOF file.");