[jira] [Created] (IGNITE-12956) Fully prepared TX rolled back on recovery if TX coordinator failed and some primary has only reads

["Anton Vinogradov (Jira)" <ji...@apache.org>]

Anton Vinogradov created IGNITE-12956:
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             Summary: Fully prepared TX rolled back on recovery if TX coordinator failed and some primary has only reads
                 Key: IGNITE-12956
                 URL: https://issues.apache.org/jira/browse/IGNITE-12956
             Project: Ignite
          Issue Type: Task
            Reporter: Anton Vinogradov


We have 3 nodes with partitioned cache with 2 backups.
 A - tx coordinator.
 B and C - other nodes.

Let's start tx from A and perform
{noformat}
cache.put(primaryKeyA, someVal);
cache.get(primaryKeyB;
tx.prepare();
{noformat}
then kill A.

Expected: tx recovered and
{noformat}
cache.get(primaryKeyA)!=null
{noformat}
Actual: tx rolled back and
 and
{noformat}
cache.get(primaryKeyA)==null
{noformat}
Reason: Node C has only 1 active transaction (because reads not propagated to backup), but expect to have 2.



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