Details
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Bug
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Status: In Review (View Workflow)
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Critical
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Resolution: Unresolved
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10.2, 10.3, 10.4, 10.5
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None
Description
Replication IO_Thread call SELECT GTID_BINLOG_POS even when MASTER_USE_GTID=NO and GTID is disabled.
Id: 49525
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User: replica
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Host: XXXXX.XXXX.XXXX.XXXXX
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db: NULL
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Command: Query
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Time: 61
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State: executing
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Info: SELECT binlog_gtid_pos('mysql-binlog.XXXXX',XXXXXXXX)
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Progress: 0.000
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..
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...
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......
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Using_Gtid: No
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Gtid_IO_Pos:
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Replicate_Do_Domain_Ids:
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Replicate_Ignore_Domain_Ids:
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Parallel_Mode: conservative
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SQL_Delay: 0
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SQL_Remaining_Delay: NULL
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Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
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This unnecessary query execution can hang IO thread for significant time, Causing slave lag (MDEV-25764)
Attachments
Issue Links
- is caused by
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- Closed
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- mentioned in
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