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Merge pull request #5850 from artix75/dev

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Cluster Manager: fix replica assignment anti-affinity (create)
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Salvatore Sanfilippo 2019-02-22 10:28:31 +01:00 committed by GitHub
commit 2d3cad684c
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1 changed files with 6 additions and 0 deletions
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src/redis-cli.c
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@ -4929,6 +4929,12 @@ static int clusterManagerCommandCreate(int argc, char **argv) {
cursor += slots_per_node; cursor += slots_per_node;
} }
/* Rotating the list sometimes helps to get better initial
* anti-affinity before the optimizer runs. */
clusterManagerNode *first_node = interleaved[0];
for (i = 0; i < (interleaved_len - 1); i++)
interleaved[i] = interleaved[i + 1];
interleaved[interleaved_len - 1] = first_node;
int assign_unused = 0, available_count = interleaved_len; int assign_unused = 0, available_count = interleaved_len;
assign_replicas: assign_replicas:
for (i = 0; i < masters_count; i++) { for (i = 0; i < masters_count; i++) {