zhuyijun/read-redis
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fsync always now uses O_DIRECT on Linux

Browse Source
This commit is contained in:
antirez 2010-04-20 18:25:30 +02:00
parent d3277ecd92
commit 566c3c7a22
2 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
config.h
View File

@ -35,4 +35,9 @@
#define HAVE_KQUEUE 1
#endif
/* test for O_DIRECT */
#ifdef __linux__
#define HAVE_O_DIRECT 1
#endif
#endif

11
redis.c
View File

@ -1673,7 +1673,16 @@ static void initServer() {
acceptHandler, NULL) == AE_ERR) oom("creating file event");
if (server.appendonly) {
server.appendfd = open(server.appendfilename,O_WRONLY|O_APPEND|O_CREAT,0644);
int flags = O_WRONLY|O_APPEND|O_CREAT;
#ifdef HAVE_O_DIRECT
if (server.appendfsync == APPENDFSYNC_ALWAYS) {
flags |= O_DIRECT;
server.appendfsync = APPENDFSYNC_NO;
}
#endif
server.appendfd = open(server.appendfilename,flags,0644);
if (server.appendfd == -1) {
redisLog(REDIS_WARNING, "Can't open the append-only file: %s",
strerror(errno));