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PostgreSQL pain points

PostgreSQL pain points

Posted Mar 26, 2014 16:35 UTC (Wed) by Lennie (guest, #49641)
In reply to: PostgreSQL pain points by iq-0
Parent article: PostgreSQL pain points

"I'd guess this is also similar to stalls seen when writing to a slow USB device (those eventually turn into forced syncs because of dirty limits induced forced writeback and case similar starvation). But I don't know if those code paths are similar enough in that fixing one will also directly benefit the other."

I've seen people suggest this might be solved by the Multi-Queue Block layer (blk-mq) as merged in 3.13, does anyone know if this is true ?


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