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Posted to dev@phoenix.apache.org by "Rajeshbabu Chintaguntla (JIRA)" <ji...@apache.org> on 2015/02/11 01:12:12 UTC

[jira] [Updated] (PHOENIX-1650) Possible resource leak in upsert select query

     [ https://issues.apache.org/jira/browse/PHOENIX-1650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajeshbabu Chintaguntla updated PHOENIX-1650:
---------------------------------------------
    Summary: Possible resource leak in upsert select query  (was: Possible leak in upsert select query)

> Possible resource leak in upsert select query
> ---------------------------------------------
>
>                 Key: PHOENIX-1650
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1650
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Rajeshbabu Chintaguntla
>            Assignee: Rajeshbabu Chintaguntla
>            Priority: Critical
>             Fix For: 5.0.0, 4.3
>
>
> In the upsert select query execution path if parallelIteratorFactory then we are not closing the iterator which results in resource leak.
> {code}
>                     ResultIterator iterator = queryPlan.iterator();
>                     if (parallelIteratorFactory == null) {
>                         return upsertSelect(statement, tableRef, projector, iterator, columnIndexes, pkSlotIndexes);
>                     }
>                     parallelIteratorFactory.setRowProjector(projector);
>                     parallelIteratorFactory.setColumnIndexes(columnIndexes);
>                     parallelIteratorFactory.setPkSlotIndexes(pkSlotIndexes);
>                     Tuple tuple;
>                     long totalRowCount = 0;
>                     while ((tuple=iterator.next()) != null) {// Runs query
>                         Cell kv = tuple.getValue(0);
>                         totalRowCount += PLong.INSTANCE.getCodec().decodeLong(kv.getValueArray(), kv.getValueOffset(), SortOrder.getDefault());
>                     }
>                     // Return total number of rows that have been updated. In the case of auto commit being off
>                     // the mutations will all be in the mutation state of the current connection.
>                     return new MutationState(maxSize, statement.getConnection(), totalRowCount);
> {code}



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