Andy Seaborne created JENA-2086:
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Summary: TDB2: read transactions sync the journal.
Key: JENA-2086
URL: https://issues.apache.org/jira/browse/JENA-2086
Project: Apache Jena
Issue Type: Improvement
Components: TDB2
Affects Versions: Jena 4.0.0, Jena 3.17.0
Reporter: Andy Seaborne
Assignee: Andy Seaborne
[Report from users@
(2021-04-08)|https://lists.apache.org/thread.html/rbc1ff0ae78359b580786ff76ad006f1edeca4da13b0f946cd4f48a8d%40%3Cusers.jena.apache.org%3E]
See attached for stacktrace mentioned in the report.
A simple UC:
{noformat}
DatasetGraph dsg = DatabaseMgr.createDatasetGraph();
dsg.executeRead(()->{});
{noformat}
and breakpoint on Journal.sync:
{noformat}
Journal.sync() line: 384
Journal.reset() line: 397
TransactionCoordinator.completed(Transaction) line: 708
Transaction.endInternal() line: 218
Transaction.commit() line: 182
TransactionalBase.commitExec() line: 143
TransactionalBase(TransactionalSystem).commit() line: 33
TransactionalBase.commit() line: 131
DatasetGraphTDB(DatasetGraphStorage).commit() line: 69
DatasetGraphSwitchable(DatasetGraphWrapper).commit() line: 276
Txn.exec(T, TxnType, Runnable) line: 85
Txn.executeRead(T, Runnable) line: 115
DatasetGraphSwitchable(Transactional).executeRead(Runnable) line: 249
Report.main(String[]) line: 70
{noformat}
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