… Too many deadlocks. Deadlocks (and lock wait timeouts, covered in another plugin) are…that indicate similar problems to those discussed within InnoDB, but it can… restarted recently. It is surprising how often a server crashes, perhaps … (for example) get the incremental increase in a variable such as…
Comment: MySQL Server Memory Usage
September 1, 2006 By 21 Comments
…increased thread_cache_size=40 table_cache=512 # Default 64 was used before. skip-locking innodb_data_home_dir=/db/disk2/data innodb…to MySQL innodb_additional_mem_pool_size=20M innodb_file_io_threads=4 innodb_lock_wait_timeout=15 # CHANGED from 50 innodb_log_files_in_group=3 innodb…
Post: Test Drive of Solid
September 22, 2006 By 5 Comments
…to deal with complicated lock graphs or rely on timeout for deadlock resolution. For workloads with frequent row waits this however would result in increased…Lock wait timeout exceeded; try restarting transaction So as we can see Solid does not have instant deadlock detection as Innodb and have to…
Post: Percona XtraDB Cluster: Multi-node writing and Unexpected deadlocks
August 17, 2012 By 17 Comments
…increase equivalent to a ping RTT to the furthest node Automatic cluster synchronization, both incremental and full restores The ability to…lock wait timeouts can happen). By the time the transaction reaches the COMMIT, it should be guaranteed to…
Post: Using LoadAvg for Performance Optimization
December 4, 2006 By 5 Comments
…locks (table/row level locks) or other limiting factors such as innodb_thread_concurrency. The most interesting question I think is how…to increase mainly because of time requests spend waiting in various queues and waiting on locks…
Post: Percona XtraDB Cluster Feature 2: Multi-Master replication
January 19, 2012 By 22 Comments
…and let’s see how it works. With our Cluster you can write to any node, and … on the slave will wait until event is applied (this however will increase the response time …of incompatibilities with regular InnoDB, that you may experience. In InnoDB usually DEADLOCK and LOCK TIMEOUT errors happen in …
