tsdb creation supports fingerprint overrides #6178
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slim-bean
approved these changes
May 17, 2022
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./tools/diff_coverage.sh ../loki-main/test_results.txt test_results.txt ingester,distributor,querier,querier/queryrange,iter,storage,chunkenc,logql,loki Change in test coverage per package. Green indicates 0 or positive change, red indicates that test coverage for a package fell. + ingester 0%
+ distributor 0%
+ querier 0%
+ querier/queryrange 0%
+ iter 0%
+ storage 0%
+ chunkenc 0%
+ logql 0%
+ loki 0% |
This was referenced Jun 28, 2022
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This PR ensures we use the correct (without tenant label) fingerprints in TSDB creation ordering.
This is a tricky one. I noticed crashes during TSDB WAL replays due to out of order index entries. This is because we add a
__loki_tenant__label to TSDB for pre-compacted indices. Previously, we were sorting series by the label-hashes which included the tenant label, which exposed us to ordering issues. Now, we use the correct fingerprint without the synthetic label.ref #5428