Hello! You can set concurrency mode and isolation for transactions by default by specifying them in TransactionConfiguration. Otherwise you are correct.
Regards, -- Ilya Kasnacheev пн, 23 нояб. 2020 г. в 14:49, 38797715 <38797...@qq.com>: > Hi Ilya, > > Then confirm again that according to the log message, optimistic > transaction and READ_COMMITTED are used for single data operation of > transactional cache? > > If transactions are explicitly turned on, the default concurrency model > and isolation level are pessimistic and REPEATABLE_READ? > 在 2020/11/20 下午7:50, Ilya Kasnacheev 写道: > > Hello! > > It will happen when the node has left but the transaction has to be > committed. > > Most operations on transactional cache will involve implicit transactions > so there you go. > > Regards, > -- > Ilya Kasnacheev > > > чт, 19 нояб. 2020 г. в 16:46, 38797715 <38797...@qq.com>: > >> Hi community, >> >> Although there is a transactional cache, no transaction operation is >> performed, but there is a lot of output below in the log. Why? >> >> [2020-11-16 14:01:44,947][INFO ][sys-stripe-8-#9][IgniteTxManager] >> Checking optimistic transaction state on remote nodes [tx=GridDhtTxLocal >> [nearNodeId=a7eded9b-4078-4ee5-a1dd-426b8debc203, >> nearFutId=e0576afd571-dbd82c53-1772-4c53-a4ea-38e601002379, >> nearMiniId=1, nearFinFutId=null, nearFinMiniId=0, >> nearXidVer=GridCacheVersion [topVer=216485010, order=1607062821327, >> nodeOrder=30], lb=null, super=GridDhtTxLocalAdapter >> [nearOnOriginatingNode=false, nearNodes=KeySetView [], >> dhtNodes=KeySetView [e4d4fc27-d2d9-47f9-8d21-dfac2c003b55, >> 3060fc02-e94a-4b6d-851a-05d75ea751e0], explicitLock=false, >> super=IgniteTxLocalAdapter [completedBase=null, >> sndTransformedVals=false, depEnabled=false, >> txState=IgniteTxImplicitSingleStateImpl [init=true, recovery=false, >> useMvccCaching=false], super=IgniteTxAdapter [xidVer=GridCacheVersion >> [topVer=216485010, order=1607062856849, nodeOrder=1], >> writeVer=GridCacheVersion [topVer=216485023, order=1607062856850, >> nodeOrder=1], implicit=true, loc=true, threadId=24070, >> startTime=1605506134277, nodeId=2b0db4f4-86d1-42c2-babf-f6318bd932e5, >> startVer=GridCacheVersion [topVer=216485010, order=1607062856849, >> nodeOrder=1], endVer=null, isolation=READ_COMMITTED, >> concurrency=OPTIMISTIC, timeout=0, sysInvalidate=false, sys=false, >> plc=2, commitVer=null, finalizing=RECOVERY_FINISH, invalidParts=null, >> state=PREPARED, timedOut=false, topVer=AffinityTopologyVersion >> [topVer=117, minorTopVer=0], mvccSnapshot=null, skipCompletedVers=false, >> parentTx=null, duration=370668ms, onePhaseCommit=false], size=1]]], >> fut=GridCacheTxRecoveryFuture [trackable=true, >> futId=81c3b7af571-1093b7fe-20ae-4c3f-9adb-4ecac23c136e, >> tx=GridDhtTxLocal [nearNodeId=a7eded9b-4078-4ee5-a1dd-426b8debc203, >> nearFutId=e0576afd571-dbd82c53-1772-4c53-a4ea-38e601002379, >> nearMiniId=1, nearFinFutId=null, nearFinMiniId=0, >> nearXidVer=GridCacheVersion [topVer=216485010, order=1607062821327, >> nodeOrder=30], lb=null, super=GridDhtTxLocalAdapter >> [nearOnOriginatingNode=false, nearNodes=KeySetView [], >> dhtNodes=KeySetView [e4d4fc27-d2d9-47f9-8d21-dfac2c003b55, >> 3060fc02-e94a-4b6d-851a-05d75ea751e0], explicitLock=false, >> super=IgniteTxLocalAdapter [completedBase=null, >> sndTransformedVals=false, depEnabled=false, >> txState=IgniteTxImplicitSingleStateImpl [init=true, recovery=false, >> useMvccCaching=false], super=IgniteTxAdapter [xidVer=GridCacheVersion >> [topVer=216485010, order=1607062856849, nodeOrder=1], >> writeVer=GridCacheVersion [topVer=216485023, order=1607062856850, >> nodeOrder=1], implicit=true, loc=true, threadId=24070, >> startTime=1605506134277, nodeId=2b0db4f4-86d1-42c2-babf-f6318bd932e5, >> startVer=GridCacheVersion [topVer=216485010, order=1607062856849, >> nodeOrder=1], endVer=null, isolation=READ_COMMITTED, >> concurrency=OPTIMISTIC, timeout=0, sysInvalidate=false, sys=false, >> plc=2, commitVer=null, finalizing=RECOVERY_FINISH, invalidParts=null, >> state=PREPARED, timedOut=false, topVer=AffinityTopologyVersion >> [topVer=117, minorTopVer=0], mvccSnapshot=null, skipCompletedVers=false, >> parentTx=null, duration=370668ms, onePhaseCommit=false], size=1]]], >> failedNodeIds=SingletonSet [a7eded9b-4078-4ee5-a1dd-426b8debc203], >> nearTxCheck=false, innerFuts=EmptyList [], >> super=GridCompoundIdentityFuture [super=GridCompoundFuture [rdc=Bool >> reducer: true, initFlag=0, lsnrCalls=0, done=false, cancelled=false, >> err=null, futs=EmptyList []]]]] >> [2020-11-16 14:01:44,947][INFO ][sys-stripe-8-#9][IgniteTxManager] >> Finishing prepared transaction [commit=true, tx=GridDhtTxLocal >> [nearNodeId=a7eded9b-4078-4ee5-a1dd-426b8debc203, >> nearFutId=e0576afd571-dbd82c53-1772-4c53-a4ea-38e601002379, >> nearMiniId=1, nearFinFutId=null, nearFinMiniId=0, >> nearXidVer=GridCacheVersion [topVer=216485010, order=1607062821327, >> nodeOrder=30], lb=null, super=GridDhtTxLocalAdapter >> [nearOnOriginatingNode=false, nearNodes=KeySetView [], >> dhtNodes=KeySetView [e4d4fc27-d2d9-47f9-8d21-dfac2c003b55, >> 3060fc02-e94a-4b6d-851a-05d75ea751e0], explicitLock=false, >> super=IgniteTxLocalAdapter [completedBase=null, >> sndTransformedVals=false, depEnabled=false, >> txState=IgniteTxImplicitSingleStateImpl [init=true, recovery=false, >> useMvccCaching=false], super=IgniteTxAdapter [xidVer=GridCacheVersion >> [topVer=216485010, order=1607062856849, nodeOrder=1], >> writeVer=GridCacheVersion [topVer=216485023, order=1607062856850, >> nodeOrder=1], implicit=true, loc=true, threadId=24070, >> startTime=1605506134277, nodeId=2b0db4f4-86d1-42c2-babf-f6318bd932e5, >> startVer=GridCacheVersion [topVer=216485010, order=1607062856849, >> nodeOrder=1], endVer=null, isolation=READ_COMMITTED, >> concurrency=OPTIMISTIC, timeout=0, sysInvalidate=false, sys=false, >> plc=2, commitVer=null, finalizing=RECOVERY_FINISH, invalidParts=null, >> state=PREPARED, timedOut=false, topVer=AffinityTopologyVersion >> [topVer=117, minorTopVer=0], mvccSnapshot=null, skipCompletedVers=false, >> parentTx=null, duration=370668ms, onePhaseCommit=false], size=1]]]] >> >>
