… to look at SHOW INNODB STATUS it is much better to use global counters and get averages manually. They are still however… was performed. Innodb uses fuzzy checkpointing so this line hold log sequence, all changes up to which has been flushed from buffer pool. Changes…/s Buffer pool hit rate 999 / 1000 This section shows Buffer pool activity and memory usage. You can see total memory allocated by Innodb (sometimes…
Post: Helgrinding MySQL with InnoDB for Synchronisation Errors, Fun and Profit
November 24, 2011 By 2 Comments
… everything is perfect though: the manual is only partially correct …) and a single test, innodb_plugin.innodb_bug53674. The test is …fields of buf_pool->stat are unprotected. These are buffer pool statistics counters: number…:1472) ==9090== by 0x6B0E0E9: buf_flush_write_block_low (buf0flu.c:999)…
Post: My Innodb Feature wishes
May 4, 2006 By 30 Comments
… with ability to create index without table rebuilding) Buffer pool improvements. I would like to see couple …can do it better manually 
I/O On Linux you’re currently limited to innodb_file_io_threads… some tasks would be helpful, especially for flushing dirty buffers. I would actually like to see …
Post: Ultimate MySQL variable and status reference list
January 8, 2011 By 4 Comments
…Innodb_buffer_pool_pages_latchedblogpercona.commanual Innodb_buffer_pool_pages_miscblogpercona.commanual Innodb_buffer_pool_pages_totalblogpercona.commanual Innodb_buffer_pool_read_aheadblogpercona.commanual Innodb_buffer_pool_read_ahead_evictedblogpercona.commanual Innodb_buffer_pool…
Comment: Database problems in MySQL/PHP Applications
November 6, 2006 By 12 Comments
…) Use the CHANGE MASTER TO command (fully described in our manual) – # the syntax is: # # CHANGE MASTER TO MASTER_HOST=, MASTER_PORT… #innodb_additional_mem_pool_size = 80M # Set .._log_file_size to 25 % of buffer pool size innodb_log_file_size = 1000M #innodb_log_buffer_size = 32M #innodb_flush_log…
Post: MySQL Server Variables - SQL layer or Storage Engine specific.
June 8, 2006 By 14 Comments
… purposes. They are documented in the manual as well as on new page Jay… log. flush, flush_time Flushing (closing) of tables after query is complete or every flush_time seconds…buffer itself. large_pages – Use of Large Pages for allocation of large global areas such as Innodb Buffer Pool, Key Buffer…
Post: MySQL Crash Recovery
July 30, 2006 By 26 Comments
…Innodb bug (1%) Innodb recovery should be automatic and bring your database to consistent state. Depending on innodb_flush…Sometimes you might be able to manually find appropriate position even if…you restart MySQL server its caches (key_buffer, innodb_buffer_pool, query_cache,table_cache) are cleaned…
Post: How Percona does a MySQL Performance Audit
November 24, 2008 By 17 Comments
… read. If the InnoDB buffer pool is set to …162626 | | Uptime_since_flush_status | 162626 | +———————————–+———————-+ +———————————–+———————-+ | …doing this the manual way.) The result looks like this: …
