Re: DROP TABLE TOOK 39MIN

2009-11-10 Thread Johan De Meersman
, It will take only > 2 min to drop the table. > > Thanks, > Dilipkumar > > > > -Original Message- > From: Krishna Chandra Prajapati [mailto:prajapat...@gmail.com] > Sent: Tuesday, November 10, 2009 12:04 AM > To: Michael Dykman > Cc: MySQL > Subject: R

RE: DROP TABLE TOOK 39MIN

2009-11-10 Thread Parikh, Dilip Kumar
: DROP TABLE TOOK 39MIN Hi Michael, Already using innodb_file_per_table. Krishna On Mon, Nov 9, 2009 at 9:39 PM, Michael Dykman wrote: > Under InnoDb, you could use file-per-table which would have > significantly reduced the inter-dependencies.. given the large data > size and heav

Re: DROP TABLE TOOK 39MIN

2009-11-09 Thread Krishna Chandra Prajapati
Hi Michael, Already using innodb_file_per_table. Krishna On Mon, Nov 9, 2009 at 9:39 PM, Michael Dykman wrote: > Under InnoDb, you could use file-per-table which would have > significantly reduced the inter-dependencies.. given the large data > size and heavy I/O you report, it might be a wis

Re: DROP TABLE TOOK 39MIN

2009-11-09 Thread Michael Dykman
Under InnoDb, you could use file-per-table which would have significantly reduced the inter-dependencies.. given the large data size and heavy I/O you report, it might be a wise way to go. - michael dykman On Mon, Nov 9, 2009 at 3:41 AM, Johan De Meersman wrote: > Presumably because you are r

Re: DROP TABLE TOOK 39MIN

2009-11-09 Thread Johan De Meersman
Presumably because you are removing 189 gigabyte of data and 549 gigabyte of indexes, all of which need to be marked as deleted in your innodb file. I/O is rather expensive :-) On MyISAM this would have been close to instantaneous (as you probably expected), because the datafile is used only for t

DROP TABLE TOOK 39MIN

2009-11-08 Thread Krishna Chandra Prajapati
Hi Experts, I have a crm(customer resource management) table which contains 654 million records. Dropping table took 39min. In addition to this other queries become very slow and they are not associated with bkp_mtlog any way. why? mysql> show table status like 'bkp_mtlog'; +---++