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Account for replication placement settings when balancing EC shards within the same rack. (#6317)

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* Account for replication placement settings when balancing EC shards within racks.

* Update help contents for `ec.balance`.

* Add a few more representative test cases for `pickEcNodeToBalanceShardsInto()`.
This commit is contained in:
Lisandro Pin
2024-12-04 19:47:51 +01:00
committed by GitHub
parent 351efa134d
commit edef485333
3 changed files with 57 additions and 35 deletions
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2
weed/shell/command_ec_balance.go
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@@ -69,7 +69,7 @@ func (c *commandEcBalance) Help() string {
volumeServersOverAverage = volume servers with volumeId's ec shard counts > averageShardsPerEcRack
ecShardsToMove = select overflown ec shards from volumeServersOverAverage
for each ecShardsToMove {
destVolumeServer = pickOneVolumeServer(volumeServer~shardCount, volumeServer~volumeIdShardCount, averageShardCount)
destVolumeServer = pickOneVolumeServer(volumeServer~shardCount, volumeServer~volumeIdShardCount, averageShardCount, ecShardReplicaPlacement)
pickOneEcNodeAndMoveOneShard(destVolumeServers)
}
}