Distributor accept multiple HA Tracker pairs in the same request (find first) #6279
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…A pairs (cluster, replica) in the same requets/batch. This can be enabled with a new flag, accept_mixed_ha_samples, an will take effect only if accept_ha_samples is set to true. Fixed test by reducing the number of ingesters to 2 and replication factor to 2. Added config reference. Do not remove replica label if cluster label is not present. Added more HA mixed replicas tests with no cluster and replica labels and with cluster label only. Added e2e test for mixed HA samples in the same request. Refactored distributor mixed HA samples logic. Added experimental flag for accept_mixed_ha_samples. Added error for non valid HA samples. Refactored method to compute HA pairs based on the KV store. Removed ha pairs map from function params. Signed-off-by: eduardscaueru <[email protected]>
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Signed-off-by: Friedrich Gonzalez <[email protected]>
friedrichg
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friedrichg
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Nov 15, 2024
Signed-off-by: eduardscaueru <[email protected]>
….com/eduardscaueru/cortex into ha_tracker_mixed_replicas_find_first
Signed-off-by: eduardscaueru <[email protected]>
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It was implemented on #6278 |
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What this PR does:
Added new implementation that makes the distributor accept multiple HA pairs (cluster, replica) in the same requets/batch. This can be enabled with a new flag, accept_mixed_ha_samples, an will take effect only if accept_ha_samples is set to true.
This implementation will identify for every unique HA pair of (cluster, replica) which are the elected replicas, before the timeseries from the batch are processed. When they are processed in the prepareSeriesKeys method, for every timeseries it checks if the pair (cluster, replica) has error in the HA pairs map and if yes, it is discarded and moves on with the other timeseries from the batch.
It also ensures that when the cluster label is missing, the replica label is not removed.
Which issue(s) this PR fixes:
Fixes #6256
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]