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https://issues.apache.org/jira/browse/IGNITE-3599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alisher Alimov reassigned IGNITE-3599:
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Assignee: (was: Alisher Alimov)
> Offheap cache memory leaks
> --------------------------
>
> Key: IGNITE-3599
> URL: https://issues.apache.org/jira/browse/IGNITE-3599
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 1.6
> Reporter: Alisher Alimov
> Priority: Critical
>
> Seems that Offheap cache doesn't free memory resources on
> IgniteCache#destroy()
> Example:
> {code}
> CacheConfiguration<UUID, UUID> cacheCfg = new
> CacheConfiguration<>(UUID.randomUUID().toString());
> cacheCfg.setBackups(0);
> cacheCfg.setCacheMode(CacheMode.PARTITIONED);
> cacheCfg.setAtomicityMode(CacheAtomicityMode.ATOMIC);
> cacheCfg.setMemoryMode(CacheMemoryMode.OFFHEAP_TIERED);
> cacheCfg.setEvictionPolicy(new FifoEvictionPolicy(1));
> cacheCfg.setOffHeapMaxMemory(16000000); // ~1 000 000 UUIDs
> cacheCfg.setSwapEnabled(false);
> for (; ; ) {
> IgniteCache<UUID, UUID> cache =
> analyticsContext.getIgnite().getOrCreateCache(UUID.randomUUID().toString());
> for (int j = 0; j < 1000000; j++) {
> cache.put(UUID.randomUUID(), UUID.randomUUID());
> }
> cache.clear();
> cache.destroy();
> }
> {code}
> After several iteration for create/fill/destroy operations you could see that
> using memory for current process is always increasing and seems that off heap
> cache doesn't free memory resources on IgniteCache#destroy
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