Hi all
We have the following setup: - Master mySQL Server 4.0.11-gamma (sun-solaris2.9-sparc-64bit) - Slave mySQL Server 4.1.7 (sun-solaris2.9-sparc-64bit)
Everything worked fine with both servers having the same Version (4.0.11-gamma). As a first step in updating to Rel. 4.1 we migrated the replika.
Since then, we encounter the following problem:
Every night replication stops. To be more precise: the I/O thread on Slave stops:
mysql> SHOW SLAVE STATUS\G
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: spas.mysql.prod.glue.ch
Master_User: replica
Master_Port: 26001
Connect_Retry: 60
Master_Log_File: appl02-bin.628
Read_Master_Log_Pos: 30621
Relay_Log_File: appl01-relay-bin.000024
Relay_Log_Pos: 412019
Relay_Master_Log_File: appl02-bin.628
Slave_IO_Running: No
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 30621
Relay_Log_Space: 412019
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 18563
1 row in set (0.00 sec)The error log on replika says:
041103 3:37:50 [ERROR] While trying to obtain the list of slaves from the master 'spas.mysql.prod.glue.ch:26001', user 'replica' got the following error: 'Lost connection to MySQL server during query' 041103 3:37:50 [ERROR] Slave I/O thread exiting, read up to log 'appl02-bin.628', position 30621
Doing a mysqlbinlog on both relay log and master log do not show any problems. After a START SLAVE the slave does not recover operation completely. It looks, like the relay log file is filled, but the statements are not executed and the Seconds_Behind_Master are not decreased.
Only after a complete restart of mysql (replica) the replica recovers.
Any idea?
Thanks for any help! Stephan
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