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freeMemoryIfNeeded() minor refactoring

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This commit is contained in:
antirez 2012-02-06 16:56:42 +01:00
parent 5a7999e66a
commit 35a4761f1d
3 changed files with 23 additions and 23 deletions
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21
src/networking.c
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@ -1091,3 +1091,24 @@ unsigned long getClientOutputBufferMemoryUsage(redisClient *c) {
return c->reply_bytes + (list_item_size*listLength(c->reply));
}
/* Helper function used by freeMemoryIfNeeded() in order to flush slaves
* output buffers without returning control to the event loop. */
void flushSlavesOutputBuffers(void) {
listIter li;
listNode *ln;
listRewind(server.slaves,&li);
while((ln = listNext(&li))) {
redisClient *slave = listNodeValue(ln);
int events;
events = aeGetFileEvents(server.el,slave->fd);
if (events & AE_WRITABLE &&
slave->replstate == REDIS_REPL_ONLINE &&
listLength(slave->reply))
{
sendReplyToClient(server.el,slave->fd,slave,0);
}
}
}

24
src/redis.c
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@ -1577,7 +1577,6 @@ int freeMemoryIfNeeded(void) {
/* Compute how much memory we need to free. */
mem_tofree = mem_used - server.maxmemory;
printf("USED: %zu, TOFREE: %zu\n", mem_used, mem_tofree);
mem_freed = 0;
while (mem_freed < mem_tofree) {
int j, k, keys_freed = 0;
@ -1668,7 +1667,6 @@ int freeMemoryIfNeeded(void) {
delta = (long long) zmalloc_used_memory();
dbDelete(db,keyobj);
delta -= (long long) zmalloc_used_memory();
// printf("%lld\n",delta);
mem_freed += delta;
server.stat_evictedkeys++;
decrRefCount(keyobj);
@ -1678,27 +1676,7 @@ int freeMemoryIfNeeded(void) {
* start spending so much time here that is impossible to
* deliver data to the slaves fast enough, so we force the
* transmission here inside the loop. */
if (slaves) {
listIter li;
listNode *ln;
listRewind(server.slaves,&li);
while((ln = listNext(&li))) {
redisClient *slave = listNodeValue(ln);
int events;
events = aeGetFileEvents(server.el,slave->fd);
printf("EVENTS: %d\n", events);
if (events & AE_WRITABLE &&
slave->replstate == REDIS_REPL_ONLINE &&
listLength(slave->reply))
{
printf("SLAVE %d -> %d\n",
slave->fd, (int) listLength(slave->reply));
sendReplyToClient(server.el,slave->fd,slave,0);
}
}
}
if (slaves) flushSlavesOutputBuffers();
}
}
if (!keys_freed) return REDIS_ERR; /* nothing to free... */

1
src/redis.h
View File

@ -716,6 +716,7 @@ void getClientsMaxBuffers(unsigned long *longest_output_list,
sds getClientInfoString(redisClient *client);
sds getAllClientsInfoString(void);
void rewriteClientCommandVector(redisClient *c, int argc, ...);
void flushSlavesOutputBuffers(void);
#ifdef __GNUC__
void addReplyErrorFormat(redisClient *c, const char *fmt, ...)