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PostgreSQL pain points

PostgreSQL pain points

Posted Mar 29, 2014 13:56 UTC (Sat) by kleptog (subscriber, #1183)
In reply to: PostgreSQL pain points by marcH
Parent article: PostgreSQL pain points

That might be an idea, except at the moment we're still at the API phase: what information needs to be communicated and how? Stuff mentioned in the article like: order dependencies between blocks, indicating that the kernel cache is out of date, etc. Whether it's eventually implemented in the VFS or as ioctl()s on a fancy new filesystem is really beside the point.

I wonder if finding a way to expose parts of the JBD (Journalling Block Device) to user space might help with any of this.


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