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Posted to notifications@iotdb.apache.org by "yanze chen (Jira)" <ji...@apache.org> on 2022/11/16 07:30:00 UTC

[jira] [Created] (IOTDB-4960) [SchemaFile] Query large amounts of metadata throw ClosedChannelException

yanze chen created IOTDB-4960:
---------------------------------

             Summary: [SchemaFile] Query large amounts of metadata throw ClosedChannelException
                 Key: IOTDB-4960
                 URL: https://issues.apache.org/jira/browse/IOTDB-4960
             Project: Apache IoTDB
          Issue Type: Bug
            Reporter: yanze chen
            Assignee: yanze chen
         Attachments: image-2022-11-16-15-29-18-436.png

reproduce:

1C1D Schema_File mode 128G for DataNode

 

run benchmark with config: 

*DEVICE_NUMBER*=5000

*SENSOR_NUMBER*=20000

*CLIENT_NUMBER*=5

*GROUP_NUMBER*=10

*BATCH_SIZE_PER_WRITE*=0

{*}LOOP{*}=1

 

execute SQL:

count timeseries root.**

 

 

!image-2022-11-16-15-29-18-436.png!

 



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