On Wed, Mar 14, 2018 at 02:12:47PM +0800, 彭昱傑 wrote: > It's useful information for me.
Once archived, there is no need to keep them in the data folder as if needed at recovery the startup process would look for timeline history files where necessary if it needs to do a timeline jump. > I will examine my restart script, and study point-in-time-recovery. > Also remove unused history file. At the same time, the backend makes little effort to remove past timeline history files, and those are just a couple of bytes, which accumulate, so after a couple of hundreds of failovers you could bloat the data folder. Why not making their removal more aggressive at each restart point created? You don't need any history files older than the current timeline recovery is processing, so we could make the removal policy more aggressive. -- Michael
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