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Remove temporary aof and rdb files in a background thread (#7905)

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If we fail or stop to rewrite aof, we need to remove temporary aof.
We also remove temporary rdb when replicas abort to receive rdb.
But currently we delete them in main thread, to avoid blocking,
we should use bg_unlink to remove them in a background thread.

Btw, we have already used this way to removed child process temporary rdb.

(cherry picked from commit aaacb8c955779a76faaa15b7097eef4787a4339f)
This commit is contained in:
Wang Yuan 2020-10-13 14:34:07 +08:00 committed by Oran Agra
parent e4e24460f9
commit 1453277294
2 changed files with 3 additions and 3 deletions
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4
src/aof.c
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@ -1680,10 +1680,10 @@ void aofRemoveTempFile(pid_t childpid) {
char tmpfile[256];
snprintf(tmpfile,256,"temp-rewriteaof-bg-%d.aof", (int) childpid);
unlink(tmpfile);
bg_unlink(tmpfile);
snprintf(tmpfile,256,"temp-rewriteaof-%d.aof", (int) childpid);
unlink(tmpfile);
bg_unlink(tmpfile);
}
/* Update the server.aof_current_size field explicitly using stat(2)

2
src/replication.c
View File

@ -2453,7 +2453,7 @@ void replicationAbortSyncTransfer(void) {
undoConnectWithMaster();
if (server.repl_transfer_fd!=-1) {
close(server.repl_transfer_fd);
unlink(server.repl_transfer_tmpfile);
bg_unlink(server.repl_transfer_tmpfile);
zfree(server.repl_transfer_tmpfile);
server.repl_transfer_tmpfile = NULL;
server.repl_transfer_fd = -1;