receive: memoize exemplar/TSDB clients#7782
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We call this on each Series() so memoize the creation of this slice. Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com>
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niaurys
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Sep 25, 2024
jnyi
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We call this on each Series() so memoize the creation of this slice. Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@vinted.com>
This was referenced Oct 23, 2024
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this pr introduced a bug when multiple tenants are created at the same time, only partial tenants would be memorized due to atomicity issue with the bool flag and where the slice gets updated, fyi @GiedriusS we plan to revert this pr internally but worth taking a look, it prevents new tenants to be queriable but luckily no data loss after restart the server |
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| if !t.tsdbClientsNeedUpdate { | ||
| return t.tsdbClients | ||
| } | ||
| defer t.mtx.Unlock() |
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defer t.mtx.Unlock() should be before if. @jnyi
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Thanks; care opening up a PR with the fix?
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no, we found a different bug, I submit a PR to fix it, please take a look when you have time: #7941
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We call this on each Series() so memoize the creation of this slice.