…does….ask “how long to… The last…tables, I’ll paste in mysql> show global variables like ‘%table_size%’; +———————+———–+ | Variable_name | Value | +———————+———–+ | max_heap_table_size | 268435456 | | tmp_table…temporary table will be converted to an on-disk table…
Post: Monty unviels Maria and starts Blogging
January 29, 2008 By 4 Comments
… is still unclear how Maria will be integrated with MySQL (what version,… Monty has serious plans and long road map with Maria. … performance for certain on disk temporary tables (both implicit and explicit) and it…engine of focus for last couple of years MySQL probably does not want distractions….
Post: ORDER BY ... LIMIT Performance Optimization
September 1, 2006 By 93 Comments
…table | type | possible_keys | key | key_len | ref | rows | Extra | +—-+————-+——-+——+—————+——+———+————-+——+———————————+ | 1 | SIMPLE | test | ref | PRIMARY,k | k | 4 | const | 1 | Using temporary…
Post: Paul McCullagh answers your questions about PBXT
November 20, 2009 By 2 Comments
…the PBXT engine, and how does it compare in … the beginning of last year with the …does not acquire read locks. A normal SELECT does not lock at all. In addition, an UPDATE or DELETE only acquires a temporary… PBXT does not normally need to maintain long … MySQL to do things like open a table, create…
Post: Using LoadAvg for Performance Optimization
December 4, 2006 By 4 Comments
…does not mean there are no performance problems, for example if you run single batch job on the server with MySQL…table/row level locks) or other limiting factors such as innodb_thread_concurrency. The most interesting question I think is how… last point – how … however temporary …have long queuing…
