Re: Eviction policy enablement leads to ignite cluster blocking, it does not use pages from freelist

[pvprsd <pr...@blueyonder.com>]

Hi Evgenii,

Later investigations, we found that this is happening due to the near-cache
"rdrs" not released from entries i.e. GridDhtCacheEntry objects.

When near-cache entry is getting evicted from a ignite-client node; it is
not clearing the rdrs from Server. Due to these rdrs not empty, the entries
are not getting evicted; when eviction started.

As per NearCache documentation, the rdrs will be maintained to track the
client-nodes, so that entry changes will be posted to these near-cache
entries. But what I have observed is, the rdrs are not getting cleared; when
the local node evicts the entry. I have confirmed the local-node eviction by
monitoring the local-node metrics.
When we turned-off the near-cache completely, the eviction working well, as
the rdrs are not blocking the eviction this time.

Is there any specific configuration required to be enabled to clear the rdrs
from GridDhtCacheEntry objects?

Thanks,
Prasad




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