On Thu, May 02, 2024 at 08:51:27AM +0200, Patrick Steinhardt wrote: > Hi, > > the reftable format has some flexibility with regards to how exactly it > writes the respective tables: > > - The block size allows you to control how large each block is > supposed to be. The bigger the block, the more records you can fit > into it. > > - Restart intervals control how often a restart point is written that > breaks prefix compression. The lower the interval, the less disk > space savings you get. > > - Object indices can be enabled or disabled. These are optional and > Git doesn't use them right now, so disabling them may be a sensible > thing to do if you want to save some disk space. > > - The geometric factor controls when we compact tables during auto > compaction. > > This patch series exposes all of these via a new set of configs so that > they can be tweaked by the user as-needed. It's not expected that those > are really of much importance for the "normal" user -- the defaults > should be good enough. But for edge cases (huge repos with millions of > refs) and for hosting providers these knobs can be helpful. > > This patch series applies on top of d4cc1ec35f (Start the 2.46 cycle, > 2024-04-30). Ugh. I actually intended to pull in ps/reftable-write-optim as a dependency because I know it causes conflicts. But I screwed this up as I thought that the topic was merged into "master" already, even though it has only hit "next". I'll refrain from sending a new version immediately though and will wait for reviews first. Once those are in I will pull in the above topic. Patrick
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