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Cluster: hash slots tracking using a radix tree.

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antirez
2017-03-27 15:26:56 +02:00
parent 94751543b0
commit 1409c545da
9 changed files with 2114 additions and 64 deletions
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17
src/lazyfree.c
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@ -97,11 +97,14 @@ void emptyDbAsync(redisDb *db) {
/* Empty the slots-keys map of Redis CLuster by creating a new empty one
* and scheduiling the old for lazy freeing. */
void slotToKeyFlushAsync(void) {
zskiplist *oldsl = server.cluster->slots_to_keys;
server.cluster->slots_to_keys = zslCreate();
atomicIncr(lazyfree_objects,oldsl->length,
rax *old = server.cluster->slots_to_keys;
server.cluster->slots_to_keys = raxNew();
memset(server.cluster->slots_keys_count,0,
sizeof(server.cluster->slots_keys_count));
atomicIncr(lazyfree_objects,old->numele,
lazyfree_objects_mutex);
bioCreateBackgroundJob(BIO_LAZY_FREE,NULL,NULL,oldsl);
bioCreateBackgroundJob(BIO_LAZY_FREE,NULL,NULL,old);
}
/* Release objects from the lazyfree thread. It's just decrRefCount()
@ -125,8 +128,8 @@ void lazyfreeFreeDatabaseFromBioThread(dict *ht1, dict *ht2) {
/* Release the skiplist mapping Redis Cluster keys to slots in the
* lazyfree thread. */
void lazyfreeFreeSlotsMapFromBioThread(zskiplist *sl) {
size_t len = sl->length;
zslFree(sl);
void lazyfreeFreeSlotsMapFromBioThread(rax *rt) {
size_t len = rt->numele;
raxFree(rt);
atomicDecr(lazyfree_objects,len,lazyfree_objects_mutex);
}