Re: Query_cache_size Question

2005-03-09 Thread Jocelyn Fournier
Even with only 16 Mo, your query cache is quite efficient (78% of your queries are fetched directly from the cache). Try to increaze your query_cache_size until there's no more additional lowmem_prunes reported. And executed from time to time FLUSH QUERY CACHE to defragment your query cache.

Re: Query_cache_size Question

2005-03-09 Thread Mauricio Pellegrini
Thanks these are fresh results | query_cache_limit| 1048576 | | query_cache_min_res_unit | 4096 | show status like "ques%"; +---+--+ | Variable_name | Value| +---+--+ | Questions | 14189604 | +---+--+ sho

Re: Query_cache_size Question

2005-03-09 Thread Dan Nelson
In the last episode (Mar 09), Mauricio Pellegrini said: > Thanks, this the result of show status like "qcache%" > > +-+--+ > | Variable_name | Value| > +-+--+ > | Qcache_free_blocks | 3330 | > | Qcache_free_mem

Re: Query_cache_size Question

2005-03-09 Thread Jocelyn Fournier
Hi, How many questions for thoses results ? There's a lot of lowmem_prunes, so I would indeed increase the memory size to reduce the risk of lowmem_prunes. What is your query_cache_limit ? Jocelyn Mauricio Pellegrini a écrit : Thanks, this the result of show status like "qcache%" +

Re: Query_cache_size Question

2005-03-09 Thread Mauricio Pellegrini
Thanks, this the result of show status like "qcache%" +-+--+ | Variable_name | Value| +-+--+ | Qcache_free_blocks | 3330 | | Qcache_free_memory | 13372320 | | Qcache_hits | 9149 | | Qcache_

Re: Query_cache_size Question

2005-03-09 Thread Dan Nelson
In the last episode (Mar 09), Mauricio Pellegrini said: > Hi, I'm trying to tweak the execution time for querys on my mysql > server which is using InnoDB. > > I know that there are a lot of things to check but one of them, > perhaps not the most important, is the query_cache_size. > > I have a d

RE: Query_cache_size Question

2005-03-09 Thread Kostas Pyliouras
PROTECTED] Sent: Mittwoch, 9. März 2005 22:03 To: MySql List Subject: Query_cache_size Question Hi, I'm trying to tweak the execution time for querys on my mysql server which is using InnoDB. I know that there are a lot of things to check but one of them, perhaps not the most important, i

Query_cache_size Question

2005-03-09 Thread Mauricio Pellegrini
Hi, I'm trying to tweak the execution time for querys on my mysql server which is using InnoDB. I know that there are a lot of things to check but one of them, perhaps not the most important, is the query_cache_size. I have a dual Xeon cpu with 4gb of ram and this is a Linux dedicated server whic