X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/8d3e063a0ac13ad10ad47df15cbb6bbc8116bf2f..26b3366993f566b438049765d65c51db056fcffa:/src/redis.c?ds=inline diff --git a/src/redis.c b/src/redis.c index 30fe807d..21a5bd19 100644 --- a/src/redis.c +++ b/src/redis.c @@ -616,10 +616,7 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { while (server.vm_enabled && zmalloc_used_memory() > server.vm_max_memory) { - int retval; - - if (tryFreeOneObjectFromFreelist() == REDIS_OK) continue; - retval = (server.vm_max_threads == 0) ? + int retval = (server.vm_max_threads == 0) ? vmSwapOneObjectBlocking() : vmSwapOneObjectThreaded(); if (retval == REDIS_ERR && !(loops % 300) && @@ -636,14 +633,10 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) { } } - /* Check if we should connect to a MASTER */ - if (server.replstate == REDIS_REPL_CONNECT && !(loops % 10)) { - redisLog(REDIS_NOTICE,"Connecting to MASTER..."); - if (syncWithMaster() == REDIS_OK) { - redisLog(REDIS_NOTICE,"MASTER <-> SLAVE sync succeeded"); - if (server.appendonly) rewriteAppendOnlyFileBackground(); - } - } + /* Replication cron function -- used to reconnect to master and + * to detect transfer failures. */ + if (!(loops % 10)) replicationCron(); + return 100; } @@ -825,7 +818,6 @@ void initServer() { server.clients = listCreate(); server.slaves = listCreate(); server.monitors = listCreate(); - server.objfreelist = listCreate(); createSharedObjects(); server.el = aeCreateEventLoop(); server.db = zmalloc(sizeof(redisDb)*server.dbnum); @@ -1261,27 +1253,6 @@ void monitorCommand(redisClient *c) { /* ============================ Maxmemory directive ======================== */ -/* Try to free one object form the pre-allocated objects free list. - * This is useful under low mem conditions as by default we take 1 million - * free objects allocated. On success REDIS_OK is returned, otherwise - * REDIS_ERR. */ -int tryFreeOneObjectFromFreelist(void) { - robj *o; - - if (server.vm_enabled) pthread_mutex_lock(&server.obj_freelist_mutex); - if (listLength(server.objfreelist)) { - listNode *head = listFirst(server.objfreelist); - o = listNodeValue(head); - listDelNode(server.objfreelist,head); - if (server.vm_enabled) pthread_mutex_unlock(&server.obj_freelist_mutex); - zfree(o); - return REDIS_OK; - } else { - if (server.vm_enabled) pthread_mutex_unlock(&server.obj_freelist_mutex); - return REDIS_ERR; - } -} - /* This function gets called when 'maxmemory' is set on the config file to limit * the max memory used by the server, and we are out of memory. * This function will try to, in order: @@ -1299,9 +1270,6 @@ void freeMemoryIfNeeded(void) { while (server.maxmemory && zmalloc_used_memory() > server.maxmemory) { int j, k, freed = 0; - /* Basic strategy -- remove objects from the free list. */ - if (tryFreeOneObjectFromFreelist() == REDIS_OK) continue; - for (j = 0; j < server.dbnum; j++) { long bestval = 0; /* just to prevent warning */ sds bestkey = NULL;