Fix getItems() performance issue with RedisCluster (php-redis)#30351
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fabpot merged 1 commit intosymfony:3.4from Feb 23, 2019
Merged
Fix getItems() performance issue with RedisCluster (php-redis)#30351fabpot merged 1 commit intosymfony:3.4from
fabpot merged 1 commit intosymfony:3.4from
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On any kind of multi loads, including tags loading, current code leads to an explosion of Redis lookups slowing down performance. This backports the code for mget() usage from 4.x in order to fix it. It's done with one small improvment which would also be relevant for 4.x, only using pipeline on cluster on predis as mget is more efficient.
nicolas-grekas
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Feb 23, 2019
fabpot
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Feb 23, 2019
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Thank you @andrerom. |
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…dis) (andrerom) This PR was merged into the 3.4 branch. Discussion ---------- Fix getItems() performance issue with RedisCluster (php-redis) | Q | A | ------------- | --- | Branch? | 3.4 | Bug fix? | yes | New feature? | no | BC breaks? | no | Deprecations? | no | Tests pass? | TBD | License | MIT On any kind of multi loads, including tags loading where it's always the case, current code leads to an explosion of Redis lookups affecting performance on RedisCluster _(as it does not support pipeline)_. This backports the code for mget() usage from 4.x in order to fix it. It's done with one small improvment which would also be relevant for 4.x, only using pipeline on cluster on predis as mget is more efficient (ref redis doc). Commits ------- 178506e Fix getItems() performance issue with RedisCluster (php-redis)
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On any kind of multi loads, including tags loading where it's always the case, current code leads to an explosion of Redis lookups affecting performance on RedisCluster (as it does not support pipeline).
This backports the code for mget() usage from 4.x in order to fix it.
It's done with one small improvment which would also be relevant for 4.x, only using pipeline on cluster on predis as mget is more efficient (ref redis doc).