Percona's MySQL & InnoDB performance and scalability blog
…: GTID-based replication, InnoDB Fulltext, Memcached integration, …SHOW CREATE TABLE test\G *************************** 1. row *************************** Table: test Create Table: CREATE TABLE `test` ( … Percona tend to find redundant indexes. And second…MySQL server, of course, cannot risk to block …
…as 4096. This, however, is not the true limit. To find out what the actual limit is, we must delve …the limit that a certain part of the FRM file cannot be greater than 64kb. The bit of code in …MySQL 5.6 you can create a table with a few more columns in InnoDB! This led me on another idea… what…
….6/en/innodb-memcached-internals.html there are some caching settings to play with: “Table cache_policies specifies whether to use InnoDB as the data store of memcached (innodb_only), or to use… the last case, if memcached cannot find a key in memory, it searches for the value in an InnoDB table.” I’d like to…
…InnoDB cannot find it at all? I suspect that the “B” is causing problems for InnoDB…
… time to effect the table compression modification (given the long run-time of the ALTER TABLE), you may find your application benefits from… GLOBAL innodb_file_format=BARRACUDA; One caveat: you must be running with innodb_file_per_table=1 as the InnoDB system tablespace cannot be compressed…
…_innodb; ERROR 1146 (42S02): Table ‘test.test_innodb‘ doesn’t exist With more elaborate details in error log: 081217 15:59:11 [ERROR] Cannot find or open table test/test_innodb from the internal data dictionary of InnoDB though the .frm file for the table exists. Maybe…
…data change needs a table rebuild. In some real life production cases you might find tables which are large…id=1 and v=’BBB’; ERROR 1452 (23000): Cannot add or update a child row: a …> create table parentx(i int) engine=innodb; ERROR 1005 (HY000): Can’t create table ‘test.parentx’ (errno: 150) Innodb …
…find on MySQL server. Let’s take a recent 5.1 bzr version (pre-5.1.61) and a single test, innodb…/loads are technically atomic, i.e. you cannot observe any intermediate state, it is likely …) ==9090== by 0x74E4DF: get_schema_tables_result(JOIN*, enum_schema_table_state) (sql_show.cc:6238) ==9090…
… yt values (66666); ERROR 1114 (HY000): The table ‘yt’ is full For me table is full means something like I’m out… 13:26:01InnoDB: Warning: cannot find a free slot for an undo log. Do you have too InnoDB: many active transactions running concurrently… to find out this error is foreign key related but you also need to run SHOW INNODB STATUS to see what exactly Innodb…
…Innodb will allow us to go in the transaction logs; our Checkpoint age cannot exceed this without blocking client operations in Innodb… pages in the buffer pool to find the one with the oldest LSN, …few tables and/or use the global tablespaces) *cough ext3 cough*. innodb_adaptive_flushing: An Innodb …
Copyright © Percona LLC • Contact Us • MySQL and InnoDB are trademarks of Oracle Corp.