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Increase value of thread_cache_size to 32

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Added 5 minute timeout before automaticlally removing threads from thread
cache.

This solves a problem with jemalloc, which is slow with a small
thread cache and also makes thread_cache big enough that most users
doesn't have to touch it
This commit is contained in:
Monty
2016-03-22 23:42:13 +02:00
parent 260dd476b0
commit fa3edbf40d
6 changed files with 30 additions and 12 deletions
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2
sql/sql_const.h
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@ -235,6 +235,8 @@
that does not respond to "initial server greeting" timely
*/
#define CONNECT_TIMEOUT 10
/* Wait 5 minutes before removing thread from thread cache */
#define THREAD_CACHE_TIMEOUT 5*60
/* The following can also be changed from the command line */
#define DEFAULT_CONCURRENCY 10