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Optimize the performance of multi-key commands in cluster mode (#11044)

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* Optimize the performance of multi-key commands in cluster mode

* add note
This commit is contained in:
judeng 2022-08-05 11:42:56 +08:00 committed by GitHub
parent 6a7dd00cdd
commit 7d8911d22a
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1 changed files with 11 additions and 12 deletions
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23
src/cluster.c
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@ -6747,18 +6747,17 @@ clusterNode *getNodeByQuery(client *c, struct redisCommand *cmd, robj **argv, in
} else {
/* If it is not the first key/channel, make sure it is exactly
* the same key/channel as the first we saw. */
if (!equalStringObjects(firstkey,thiskey)) {
if (slot != thisslot) {
/* Error: multiple keys from different slots. */
getKeysFreeResult(&result);
if (error_code)
*error_code = CLUSTER_REDIR_CROSS_SLOT;
return NULL;
} else {
/* Flag this request as one with multiple different
* keys/channels. */
multiple_keys = 1;
}
if (slot != thisslot) {
/* Error: multiple keys from different slots. */
getKeysFreeResult(&result);
if (error_code)
*error_code = CLUSTER_REDIR_CROSS_SLOT;
return NULL;
}
if (importing_slot && !multiple_keys && !equalStringObjects(firstkey,thiskey)) {
/* Flag this request as one with multiple different
* keys/channels when the slot is in importing state. */
multiple_keys = 1;
}
}