Timeline for What SQL execution time should I expect when querying 4k records in a 150M records table?
Current License: CC BY-SA 4.0
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Nov 17, 2020 at 17:26 | history | edited | Laurenz Albe | CC BY-SA 4.0 |
added 115 characters in body
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Nov 17, 2020 at 17:22 | comment | added | jjanes | 'Written' is usually due to already dirty blocks that need to be evicted to make room for new ones to be read. A block could be dirtied and then later evicted by the same command, but it more generally is evicting someone else's dirty blocks. | |
Nov 17, 2020 at 15:59 | history | answered | Laurenz Albe | CC BY-SA 4.0 |