…Innodb_buffer_pool_pages_dirty | 3034 | | Innodb_buffer_pool_pages_dirty | 3042 | | Innodb_buffer_pool_pages_dirty | 3071 | | Innodb_buffer_pool_pages_dirty | 3165 | | Innodb_buffer_pool_pages_dirty | 3161 | | Innodb_buffer_pool_pages_dirty | 3144 | | Innodb_buffer_pool_pages_dirty | 3014 | | Innodb…
Post: Different flavors of InnoDB flushing
January 13, 2011 By 9 Comments
… 5.5, I added the SHOW STATUS variable innodb_buffer_pool_pages_LRU_flushed, which shows only pages flushed by the LRU list. So, let… MySQL 5.1/InnoDB-plugin or MySQL 5.5 the setting of innodb_adaptive_flushing, innodb_max_dirty_pages_pct, innodb_io_capacity, and innodb_log_file…
Post: Ultimate MySQL variable and status reference list
January 8, 2011 By 4 Comments
…Innodb_buffer_pool_pages_datablogpercona.commanual Innodb_buffer_pool_pages_dirtyblogpercona.commanual Innodb_buffer_pool_pages_flushedblogpercona.commanual Innodb_buffer_pool_pages_freeblogpercona.commanual Innodb_buffer_pool_pages_latchedblogpercona.commanual Innodb_buffer_pool_pages…
Comment: When EXPLAIN estimates can go wrong!
October 15, 2011 By 7 Comments
… extended-status | grep -i innodb_buffer_pool_pages | Innodb_buffer_pool_pages_data | 141 | | Innodb_buffer_pool_pages_dirty | 0 | | Innodb_buffer_pool_pages_flushed | 0 | | Innodb_buffer_pool_pages_free | 10098 | | Innodb_buffer_pool_pages_misc | 0 | | Innodb_buffer_pool_pages_total | 10239 | After…
Comment: How to decrease InnoDB shutdown times
May 14, 2009 By 20 Comments
… Innodb_buffer_pool_pages_dirty count approaching to 0 but still increasing sometimes. This is because of InnoDB merges, you can observe this using ‘show engine innodb… cells 32410, node heap has 33 buffer(s) 65171060 – 65171060 = 0 this means that Innodb_buffer_pool_pages_dirty should be 0 and stay at 0…
Comment: When is it a time to upgrade memory ?
September 17, 2008 By 11 Comments
… the Innodb_buffer_pool_pages% variables. innodb_max_dirty_pages_pct is set to 90 by default, meaning that by default up to 90% of your buffer pool might be waiting for a flush to disk — if you have a lot of Innodb_buffer_pool_pages_dirty, it can be…
Comment: How to decrease InnoDB shutdown times
October 27, 2010 By 20 Comments
You can also execute the following SQL query to get the current count of the dirty pool pages, instead of using mysqladmin: show global status like ‘Innodb_buffer_pool_pages_dirty‘;
Comment: The relationship between Innodb Log checkpointing and dirty Buffer pool pages
January 7, 2013 By 10 Comments
…. > 3. What does it variable mean of Innodb_buffer_pool_pages_flushed, does it in buffer pool to flush dirty pages then count one after flushed? Yes. > what difference between this one and tranaction log checkpoint flush to disk? > sorry, above Innodb_buffer_pool_pages…
Post: Innodb Fuzzy checkpointing woes
May 10, 2006 By Leave a Comment
… case many pages fall in the same LSN range scheduled for flush and Innodb might end up flushing most of buffer pool pages.     Now as the pages are flushed they… are too many dirty pages Innodb should start doing checkpoints more actively, this is if there are more than 70% of pages dirty. However…
Post: Heikki Tuuri answers to Innodb questions, Part II
November 4, 2007 By 13 Comments
… more often than once per second if there are dirty pages in the buffer pool. Q32: Would they always occur to the same memory…: set innodb_flush_method=O_DIRECT in my.cnf, to prevent double buffering. Configure as much memory as possible to InnoDB‘s buffer pool. For… the post on this this matter the other day – choosing innodb_buffer_pool_size Q36: There have been several MySQL bugs opened about…
