…’show engine innodb status\G’ | grep sequence && sleep 60 && date && mysql -BNe’show engine innodb status\G’ | grep sequence && ls -l /var/lib/mysql… 21 22:23:15 CDT 2013 Log sequence number 17750417191 Tue May 21 22:24:15 CDT 2013 Log sequence number 17750981011 -rw-rw—- 1 mysql…-recovery.html “If you kept the size of your redo log files artificially low because recovery took a long time, you…
Comment: How to calculate a good InnoDB log file size
May 22, 2013 By 38 Comments
…’show engine innodb status\G’ | grep sequence && sleep 60 && date && mysql -BNe’show engine innodb status\G’ | grep sequence && ls -l /var/lib/mysql… 22 13:34:00 CDT 2013 Log sequence number 18342929533 Wed May 22 13:35:00 CDT 2013 Log sequence number 18343465682 -rw-rw—- 1 mysql…
Comment: Percona Server 5.5.30 with TokuDB for MySQL
April 25, 2013 By 26 Comments
Same error as zhai here… Not much in the logs… the version strings look a bit broken though 130425 15:…-7.0.1-tokudb-7.0.1-29.3 started; log sequence number 1597971 Version: ’5.5.30-tokudb-7.0.1-tokudb…
Comment: How long Innodb Shutdown may take
May 14, 2013 By 9 Comments
… InnoDB: Starting shutdown… 130514 8:04:26 InnoDB: Shutdown completed; log sequence number 4 3582590782 130514 8:04:26 [Note] /usr/sbin/mysqld…
Post: MVCC: Transaction IDs, Log Sequence numbers and Snapshots
December 19, 2007 By 3 Comments
… or not. Log Sequence Number (LSN) Log Sequence Numbers correspond to given position in the log files and typically incremented for each log record. Innodb uses number of bytes ever written to the log files however…
Post: How to calculate a good InnoDB log file size
November 21, 2008 By 38 Comments
… status\G Log sequence number 84 3836410803 1 row in set (0.06 sec) 1 row in set (1 min 0.00 sec) Log sequence number 84 3838334638 1 row in set (0.05 sec) Notice the log sequence number. That’s the total number of bytes written to the transaction log. So, now you can see…
Post: The relationship between Innodb Log checkpointing and dirty Buffer pool pages
February 17, 2012 By 10 Comments
… STATUS\G — LOG — Log sequence number 9682004056 Log flushed up to 9682004056 Last checkpoint at 9682002296 This shows us the virtual head of our log (Log sequence Number), the last place the log was flushed to disk (Log flushed up to), and our last…
Post: SHOW INNODB STATUS walk through
July 17, 2006 By 40 Comments
… recored in logs and not flushed from buffer pool so such log sequences can’t be overwritten in log files. By monitoring log sequence number and value up to which logs have been flushed…
Comment: Connecting orphaned .ibd files
August 8, 2012 By 19 Comments
… promising so far (I think! 
): page 84 invalid (fails log sequence number check) page 84: log sequence number: first = 0×50209105; second = 0xA33EC800 [root@lightbringer percona-data…/mysql/ibdata1.recovery -l 0xA33EC800 page 84 invalid (fails log sequence number check) page 84: log sequence number: first = 0×50209105; second = 0xA33EC800 New LSN will be…
Post: Be productive with the MySQL command line
December 21, 2012 By 14 Comments
…> pager grep sequence PAGER set to ‘grep sequence‘ mysql> show engine innodb status\Gselect sleep(60);show engine innodb status\G Log sequence number 380166807992 1 row in set (0.41 sec) 1 row in set (1 min 0.00 sec) Log sequence number 380170274979…
