Re: How to handle secondary keys in partitioning?
Mattias,
Thanks.
One more question:
Does partitioning help concurrent inserts/updates?
I was under the impression that it does. But then I read this:
http://datacharmer.blogspot.com/2010/05/two-quick-performance-tips-with-mysql.html
"Whenever you insert a record, the partitioning engine locks the entire table."
It it is true that MySQL locks the entire partitioned table for inserts, then all writes are being serialized. That'd mean partitioned tables would have much worse insert/update performance than an unpartitioned table which uses row-level instead of table-level locks.
Could you clarify this? Thanks
Subject
Views
Written By
Posted
4071
May 04, 2010 12:46AM
2315
May 04, 2010 01:29PM
1955
May 04, 2010 04:30PM
2155
May 05, 2010 02:20AM
2017
May 06, 2010 12:04AM
2417
May 06, 2010 03:23PM
Re: How to handle secondary keys in partitioning?
2059
May 06, 2010 10:50PM
2033
May 07, 2010 02:38AM
1990
May 08, 2010 05:31PM
2045
May 09, 2010 04:37AM
1921
May 09, 2010 12:41PM
1895
May 09, 2010 01:23PM
2000
May 12, 2010 05:29AM
2448
May 06, 2010 12:34AM
Sorry, you can't reply to this topic. It has been closed.
Content reproduced on this site is the property of the respective copyright holders.
It is not reviewed in advance by Oracle and does not necessarily represent the opinion
of Oracle or any other party.