Error reading packet from server: Lost connection to MySQL server during query ( server_errno=2013)












0















Getting one issue in error log in every 30-45 mins. Mysql version 5.6.20-log
Server is slave of master main server and its having 100 slaves to this server.
Replication hierarchy is there in 3 stages.
Master main server in another DC and rest 2 stages are in same DC.



*2019-02-11 23:45:10 29574 [ERROR] Error reading packet from server: Lost connection to MySQL server during query ( server_errno=2013)



2019-02-11 23:45:10 29574 [Note] Slave I/O thread: Failed reading log event, reconnecting to retry, log 'master-bin.011175' at position 102967340



2019-02-11 23:45:10 29574 [Warning] Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.*



Mysql config




Blockquote




mysql> show variables like '%packet%';
+--------------------------+------------+
| Variable_name | Value |
+--------------------------+------------+
| max_allowed_packet | 104857600 |
| slave_max_allowed_packet | 1073741824 |
+--------------------------+------------+



mysql> show variables like 'net_read_timeout';
+------------------+-------+
| Variable_name | Value |
+------------------+-------+
| net_read_timeout | 30 |
+------------------+-------+



mysql> show variables like 'slave_net_timeout';
+-------------------+-------+
| Variable_name | Value |
+-------------------+-------+
| slave_net_timeout | 3600 |
+-------------------+-------+



mysql> show variables like 'read_buffer_size';
+------------------+--------+
| Variable_name | Value |
+------------------+--------+
| read_buffer_size | 131072 |
+------------------+--------+




Blockquote










share





























    0















    Getting one issue in error log in every 30-45 mins. Mysql version 5.6.20-log
    Server is slave of master main server and its having 100 slaves to this server.
    Replication hierarchy is there in 3 stages.
    Master main server in another DC and rest 2 stages are in same DC.



    *2019-02-11 23:45:10 29574 [ERROR] Error reading packet from server: Lost connection to MySQL server during query ( server_errno=2013)



    2019-02-11 23:45:10 29574 [Note] Slave I/O thread: Failed reading log event, reconnecting to retry, log 'master-bin.011175' at position 102967340



    2019-02-11 23:45:10 29574 [Warning] Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.*



    Mysql config




    Blockquote




    mysql> show variables like '%packet%';
    +--------------------------+------------+
    | Variable_name | Value |
    +--------------------------+------------+
    | max_allowed_packet | 104857600 |
    | slave_max_allowed_packet | 1073741824 |
    +--------------------------+------------+



    mysql> show variables like 'net_read_timeout';
    +------------------+-------+
    | Variable_name | Value |
    +------------------+-------+
    | net_read_timeout | 30 |
    +------------------+-------+



    mysql> show variables like 'slave_net_timeout';
    +-------------------+-------+
    | Variable_name | Value |
    +-------------------+-------+
    | slave_net_timeout | 3600 |
    +-------------------+-------+



    mysql> show variables like 'read_buffer_size';
    +------------------+--------+
    | Variable_name | Value |
    +------------------+--------+
    | read_buffer_size | 131072 |
    +------------------+--------+




    Blockquote










    share



























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      Getting one issue in error log in every 30-45 mins. Mysql version 5.6.20-log
      Server is slave of master main server and its having 100 slaves to this server.
      Replication hierarchy is there in 3 stages.
      Master main server in another DC and rest 2 stages are in same DC.



      *2019-02-11 23:45:10 29574 [ERROR] Error reading packet from server: Lost connection to MySQL server during query ( server_errno=2013)



      2019-02-11 23:45:10 29574 [Note] Slave I/O thread: Failed reading log event, reconnecting to retry, log 'master-bin.011175' at position 102967340



      2019-02-11 23:45:10 29574 [Warning] Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.*



      Mysql config




      Blockquote




      mysql> show variables like '%packet%';
      +--------------------------+------------+
      | Variable_name | Value |
      +--------------------------+------------+
      | max_allowed_packet | 104857600 |
      | slave_max_allowed_packet | 1073741824 |
      +--------------------------+------------+



      mysql> show variables like 'net_read_timeout';
      +------------------+-------+
      | Variable_name | Value |
      +------------------+-------+
      | net_read_timeout | 30 |
      +------------------+-------+



      mysql> show variables like 'slave_net_timeout';
      +-------------------+-------+
      | Variable_name | Value |
      +-------------------+-------+
      | slave_net_timeout | 3600 |
      +-------------------+-------+



      mysql> show variables like 'read_buffer_size';
      +------------------+--------+
      | Variable_name | Value |
      +------------------+--------+
      | read_buffer_size | 131072 |
      +------------------+--------+




      Blockquote










      share
















      Getting one issue in error log in every 30-45 mins. Mysql version 5.6.20-log
      Server is slave of master main server and its having 100 slaves to this server.
      Replication hierarchy is there in 3 stages.
      Master main server in another DC and rest 2 stages are in same DC.



      *2019-02-11 23:45:10 29574 [ERROR] Error reading packet from server: Lost connection to MySQL server during query ( server_errno=2013)



      2019-02-11 23:45:10 29574 [Note] Slave I/O thread: Failed reading log event, reconnecting to retry, log 'master-bin.011175' at position 102967340



      2019-02-11 23:45:10 29574 [Warning] Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.*



      Mysql config




      Blockquote




      mysql> show variables like '%packet%';
      +--------------------------+------------+
      | Variable_name | Value |
      +--------------------------+------------+
      | max_allowed_packet | 104857600 |
      | slave_max_allowed_packet | 1073741824 |
      +--------------------------+------------+



      mysql> show variables like 'net_read_timeout';
      +------------------+-------+
      | Variable_name | Value |
      +------------------+-------+
      | net_read_timeout | 30 |
      +------------------+-------+



      mysql> show variables like 'slave_net_timeout';
      +-------------------+-------+
      | Variable_name | Value |
      +-------------------+-------+
      | slave_net_timeout | 3600 |
      +-------------------+-------+



      mysql> show variables like 'read_buffer_size';
      +------------------+--------+
      | Variable_name | Value |
      +------------------+--------+
      | read_buffer_size | 131072 |
      +------------------+--------+




      Blockquote








      replication mysql-5.6 connections error-log





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      edited 1 min ago







      anand aundhekar

















      asked 7 mins ago









      anand aundhekaranand aundhekar

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