Re: Hanging on copying to tmp table
Normally it takes half a second, if no changes are made to the table.
If changes are made and the cache isn't valid, then it takes around 5 seconds.
So this is a stall, it will hang until I kill the threads that are hanging.
Until then, the page using this query will be unreachable.
As you see the query is static, not dynamic, so it should in most cases use the cache.
I will try with the index, and see if it happens again.
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Re: Hanging on copying to tmp table
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