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evict: don't care about mem if loading

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When loading data, we call processEventsWhileBlocked
to process events and execute commands.
But if we are loading AOF it's dangerous, because
processCommand would call freeMemoryIfNeeded to evict,
and that will break data consistency, see issue #5686.
This commit is contained in:
zhaozhao.zz 2018-12-12 00:25:24 +08:00
parent 0110e46f6e
commit b9cd89d108
1 changed files with 9 additions and 3 deletions
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12
src/evict.c
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@ -444,9 +444,15 @@ int getMaxmemoryState(size_t *total, size_t *logical, size_t *tofree, float *lev
* Otehrwise if we are over the memory limit, but not enough memory * Otehrwise if we are over the memory limit, but not enough memory
* was freed to return back under the limit, the function returns C_ERR. */ * was freed to return back under the limit, the function returns C_ERR. */
int freeMemoryIfNeeded(void) { int freeMemoryIfNeeded(void) {
/* By default slaves should ignore maxmemory and just be masters excat /* By default replicas should ignore maxmemory
* copies. */ * and just be masters exact copies.
if (server.masterhost && server.repl_slave_ignore_maxmemory) return C_OK; *
* And don't care about mem if loading. */
if (server.loading ||
(server.masterhost && server.repl_slave_ignore_maxmemory))
{
return C_OK;
}
size_t mem_reported, mem_tofree, mem_freed; size_t mem_reported, mem_tofree, mem_freed;
mstime_t latency, eviction_latency; mstime_t latency, eviction_latency;