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Updated Prometheus deps to master around 2.15.2 tag. #1947

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merged 1 commit into from Jan 7, 2020

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bwplotka
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@bwplotka bwplotka commented Jan 7, 2020

Fixes: #1935
Fixes: #1928
Fixes: #722
Fixes: #1771

Needed for index-header but mainly this makes compaction and downsampling process taking constant memory! It will take more time though as a tradeoff.

Now it should take at max:

  • ~30th of all symbols*2 and number of postings per loaded block into memory.
  • ~Largest series with its chunks and all label names during compaction.

Help in verifying this on a bigger setup would be nice! (:

Signed-off-by: Bartlomiej Plotka bwplotka@gmail.com

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bwplotka commented Jan 7, 2020

Did you go through this PR @povilasv in details ? ;p

I made same mistake again (did similar in previous also approved PRs):

- []() Upgraded Prometheus dependencies to v2.15.2. This includes:

It's non-obvious PR so want to be careful here. (:

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povilasv commented Jan 7, 2020

Did you go through this PR @povilasv in details ? ;p

I did 2x times and IMO it's ok 👍 but obviously needs some review more familiar with the code base :)

castagnoliTable = crc32.MakeTable(crc32.Castagnoli)
}

// ReadSymbols reads the symbol table fully into memory and allocates proper strings for them.
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nit: func name mismatch

Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
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bwplotka commented Jan 7, 2020

@povilasv double checking (: Thanks for review!

@bwplotka bwplotka merged commit d758432 into master Jan 7, 2020
@bwplotka bwplotka deleted the pull-latest-prom branch January 7, 2020 15:17
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