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Lazyfree: ability to free whole DBs in background.

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antirez
2015-09-28 10:47:45 +02:00
parent b08c36c5f2
commit c69c6c80fb
7 changed files with 108 additions and 16 deletions
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13
src/bio.c
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@ -85,6 +85,8 @@ struct bio_job {
void *bioProcessBackgroundJobs(void *arg);
void lazyfreeFreeObjectFromBioThread(robj *o);
void lazyfreeFreeDatabaseFromBioThread(dict *ht1, dict *ht2);
void lazyfreeFreeSlotsMapFromBioThread(zskiplist *sl);
/* Make sure we have enough stack to perform all the things we do in the
* main thread. */
@ -187,7 +189,16 @@ void *bioProcessBackgroundJobs(void *arg) {
} else if (type == BIO_AOF_FSYNC) {
aof_fsync((long)job->arg1);
} else if (type == BIO_LAZY_FREE) {
lazyfreeFreeObjectFromBioThread(job->arg1);
/* What we free changes depending on what arguments are set:
* arg1 -> free the object at pointer.
* arg2 & arg3 -> free two dictionaries (a Redis DB).
* only arg3 -> free the skiplist. */
if (job->arg1)
lazyfreeFreeObjectFromBioThread(job->arg1);
else if (job->arg2 && job->arg3)
lazyfreeFreeDatabaseFromBioThread(job->arg2,job->arg3);
else if (job->arg3)
lazyfreeFreeSlotsMapFromBioThread(job->arg3);
} else {
serverPanic("Wrong job type in bioProcessBackgroundJobs().");
}