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use directly the real key object in VM I/O jobs to match by pointer, and to handle different keys with the same name living in different DBs, but being at the same moment in the IO job queues

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antirez 2010-04-09 17:02:56 +02:00
parent d9eaa43a02
commit 78ebe4c88f
1 changed files with 11 additions and 6 deletions
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17
redis.c
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@ -2834,7 +2834,6 @@ static void freeHashObject(robj *o) {
}
static void incrRefCount(robj *o) {
redisAssert(!server.vm_enabled || o->storage == REDIS_VM_MEMORY);
o->refcount++;
}
@ -8703,7 +8702,10 @@ static void freeIOJob(iojob *j) {
j->type == REDIS_IOJOB_DO_SWAP ||
j->type == REDIS_IOJOB_LOAD) && j->val != NULL)
decrRefCount(j->val);
decrRefCount(j->key);
/* We don't decrRefCount the j->key field as we did't incremented
* the count creating IO Jobs. This is because the key field here is
* just used as an indentifier and if a key is removed the Job should
* never be touched again. */
zfree(j);
}
@ -8876,7 +8878,7 @@ again:
iojob *job = ln->value;
if (job->canceled) continue; /* Skip this, already canceled. */
if (compareStringObjects(job->key,o) == 0) {
if (job->key == o) {
redisLog(REDIS_DEBUG,"*** CANCELED %p (%s) (type %d) (LIST ID %d)\n",
(void*)job, (char*)o->ptr, job->type, i);
/* Mark the pages as free since the swap didn't happened
@ -9066,7 +9068,7 @@ static int vmSwapObjectThreaded(robj *key, robj *val, redisDb *db) {
j = zmalloc(sizeof(*j));
j->type = REDIS_IOJOB_PREPARE_SWAP;
j->db = db;
j->key = dupStringObject(key);
j->key = key;
j->val = val;
incrRefCount(val);
j->canceled = 0;
@ -9134,7 +9136,7 @@ static int waitForSwappedKey(redisClient *c, robj *key) {
j = zmalloc(sizeof(*j));
j->type = REDIS_IOJOB_LOAD;
j->db = c->db;
j->key = dupStringObject(key);
j->key = o;
j->key->vtype = o->vtype;
j->page = o->vm.page;
j->val = NULL;
@ -9653,6 +9655,9 @@ static void debugCommand(redisClient *c) {
(void*)key, key->refcount, (unsigned long long) key->vm.page,
(unsigned long long) key->vm.usedpages));
}
} else if (!strcasecmp(c->argv[1]->ptr,"swapin") && c->argc == 3) {
lookupKeyRead(c->db,c->argv[2]);
addReply(c,shared.ok);
} else if (!strcasecmp(c->argv[1]->ptr,"swapout") && c->argc == 3) {
dictEntry *de = dictFind(c->db->dict,c->argv[2]);
robj *key, *val;
@ -9684,7 +9689,7 @@ static void debugCommand(redisClient *c) {
}
} else {
addReplySds(c,sdsnew(
"-ERR Syntax error, try DEBUG [SEGFAULT|OBJECT <key>|SWAPOUT <key>|RELOAD]\r\n"));
"-ERR Syntax error, try DEBUG [SEGFAULT|OBJECT <key>|SWAPIN <key<|SWAPOUT <key>|RELOAD]\r\n"));
}
}