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[Cache] RedisTrait::doFetch should use pipeline with GET's instead of MGET for Relay\Cluster #61234

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dorrogeray
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@dorrogeray dorrogeray commented Jul 25, 2025

Q A
Branch? 6.4
Bug fix? yes
New feature? no
Deprecations? no
Issues Fix #...
License MIT

🛠️ Relay\Cluster should be expected to operate with >1 master nodes, and therefore its not safe to use mget when fetching the ids in RedisTrait::doFetch(array $ids) as they are not guaranteed to be on a same hash slot.

This change makes doFetch use pipeline with GET commands when $this->redis instanceof RelayCluster

@carsonbot carsonbot added this to the 7.3 milestone Jul 25, 2025
@carsonbot carsonbot changed the title [cache] RedisTrait::doFetch should use pipeline with GET's instead of MGET for Relay\Cluster [Cache] RedisTrait::doFetch should use pipeline with GET's instead of MGET for Relay\Cluster Jul 25, 2025
@dorrogeray dorrogeray force-pushed the cache-relay-cluster-should-use-pipeline-instead-of-mget-in-do-fetch branch from f4fad81 to b74ec69 Compare July 30, 2025 09:25
@dorrogeray
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@nicolas-grekas done, I have dropped the commit which applied the diff from Fabbot. 👍 The only reason I included them originally was to make those checks pass.

@nicolas-grekas nicolas-grekas modified the milestones: 7.3, 6.4 Jul 30, 2025
@nicolas-grekas nicolas-grekas changed the base branch from 7.3 to 6.4 July 30, 2025 09:32
@nicolas-grekas nicolas-grekas force-pushed the cache-relay-cluster-should-use-pipeline-instead-of-mget-in-do-fetch branch from b74ec69 to 30a2ca0 Compare July 30, 2025 09:32
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Thank you @dorrogeray.

@nicolas-grekas nicolas-grekas merged commit 606df24 into symfony:6.4 Jul 30, 2025
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