[jira] [Assigned] (IOTDB-1016) overlapped data should be consumed first

["Yuan Tian (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IOTDB-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuan Tian reassigned IOTDB-1016:
--------------------------------

    Assignee: XiangweiWei

> overlapped data should be consumed first
> ----------------------------------------
>
>                 Key: IOTDB-1016
>                 URL: https://issues.apache.org/jira/browse/IOTDB-1016
>             Project: Apache IoTDB
>          Issue Type: Bug
>          Components: Core/Engine
>            Reporter: Jialin Qiao
>            Assignee: XiangweiWei
>            Priority: Major
>              Labels: pull-request-available
>
> I do a test on rel/0.11 branch (RC2) using iotdb-benchmark.
> IoTDB Configurations：MAX_HEAP_SIZE 25G，enable_memory_control true，tsfile_size_threshold 1
> Benchmark write configurations: client=10,storage_group=10, device=100, sensor=1000, batch_size=100, loop=10000, overflow_ratio=0.3, data_type_proportion=1:1:1:1:1:1
> Benchmark query configurations: QUERY_SENSOR_NUM=1, QUERY_DEVICE_NUM=1
>  
> I got an exception when executing group by query:
> 2020-11-17 21:04:39,342 [pool-6-IoTDB-RPC-Client-thread-20] ERROR org.apache.iotdb.db.service.TSServiceImpl:741 - IoTDB: Internal server error: 
> java.io.IOException: overlapped data should be consumed first 
> at org.apache.iotdb.db.query.reader.series.SeriesReader.isPageOverlapped(SeriesReader.java:507) 
> at org.apache.iotdb.db.query.reader.series.SeriesAggregateReader.canUseCurrentPageStatistics(SeriesAggregateReader.java:103) 
> at org.apache.iotdb.db.query.dataset.groupby.LocalGroupByExecutor.readAndCalcFromPage(LocalGroupByExecutor.java:300) 
> at org.apache.iotdb.db.query.dataset.groupby.LocalGroupByExecutor.calcResult(LocalGroupByExecutor.java:185)
>  



--
This message was sent by Atlassian Jira
(v8.3.4#803005)