Yakov Zhdanov created IGNITE-1605:
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Summary: Provide stronger data loss check
Key: IGNITE-1605
URL: https://issues.apache.org/jira/browse/IGNITE-1605
Project: Ignite
Issue Type: Task
Reporter: Yakov Zhdanov
Need to provide stronger data loss check.
Currently node can fire event - EVT_CACHE_REBALANCE_PART_DATA_LOST
However, this is not enough since if there is strong requirement on application
behavior on data loss e.g. further cache updates should throw exception - this
requirement cannot currently be met even with use of cache interceptor.
Suggestions:
* Introduce CacheDataLossPolicy enum: FAIL_OPS, NOOP and put it to configuration
* If node fires PART_LOST_EVT then any update to lost partition will throw (or
will not throw) exception according to DataLossPolicy
* ForceKeysRequest should be completed with exception (if plc == FAIL) if all
nodes to request from are gone. So, all gets/puts/txs should fail.
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