Support querying multiple stores by Querier #2747
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pstibrany
commented
Jun 18, 2020
pstibrany
requested review from
gouthamve and
pracucci
and removed request for
gouthamve
pracucci
approved these changes
Jun 22, 2020
Store queryables now have filtering function. Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
This form allows q to have smaller scope, which reduces possibility of incorrect reuse. Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
…ndary engines. Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
Signed-off-by: Peter Štibraný <[email protected]>
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What this PR does: This PR adds support to Querier component to query multiple stores. This implements idea from #2717 proposal, and allows querying both blocks and chunk store at the same time. Secondary store can be further queried only for queries older than some timestamp.
Querier-specific configuration for second store engine consists of only backend type (chunks/tsdb) and that timestamp. The rest of the configuration is reused from standard chunks-store/tsdb-engine flags.
Draft for now, documentation and changelog entry is missing.Also not sure if we want to merge #2717 first or not.I think we should mark this experimental until we test it in production. (Although I've tested it and it worked nicely)
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]