How long should I let this query run..
It has over 800,000 rows.. and I see the following
task state = suspended command= alter table wait type = pageiolatch_sh..
Thank in advance! I'm wondering if I should just let let run, or if something is wrong.
The question has been closed Oct 15, 2012 at 07:54 PM by ThomasRushton for the following reason:
The pageiolatch_sh is the server waiting for I believe a latch on a page in the buffer pool. Updating 800K rows with a new column very well could take some time depending on your disk IO subsystem and how your table is structured.
If time is a concern, you could think about creating a new table with the new column and then import the data into the new structure, drop the old structure and then rename the new table to the old name. I would highly recommend that you test this first to see if it would be a faster alternative.
Or you could just let it wait it out.
Hope this helps!
answered Oct 14, 2012 at 05:07 AM