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Account for replication placement settings when balancing EC shards across racks. (#6316)

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Lisandro Pin
2024-12-04 18:00:55 +01:00
committed by GitHub
parent b65eb2ec45
commit 351efa134d
4 changed files with 36 additions and 29 deletions
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4
weed/shell/command_ec_balance.go
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@@ -50,7 +50,7 @@ func (c *commandEcBalance) Help() string {
averageShardsPerEcRack = totalShardNumber / numRacks // totalShardNumber is 14 for now, later could varies for each dc
ecShardsToMove = select overflown ec shards from racks with ec shard counts > averageShardsPerEcRack
for each ecShardsToMove {
destRack = pickOneRack(rack~shardCount, rack~volumeIdShardCount, averageShardsPerEcRack)
destRack = pickOneRack(rack~shardCount, rack~volumeIdShardCount, averageShardsPerEcRack, ecShardReplicaPlacement)
destVolumeServers = volume servers on the destRack
pickOneEcNodeAndMoveOneShard(destVolumeServers)
}
@@ -101,7 +101,7 @@ func (c *commandEcBalance) Do(args []string, commandEnv *CommandEnv, writer io.W
balanceCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
collection := balanceCommand.String("collection", "EACH_COLLECTION", "collection name, or \"EACH_COLLECTION\" for each collection")
dc := balanceCommand.String("dataCenter", "", "only apply the balancing for this dataCenter")
shardReplicaPlacement := balanceCommand.String("shardReplicaPlacement", "", "replica placement for EC shards, or master default if empty (currently unused)")
shardReplicaPlacement := balanceCommand.String("shardReplicaPlacement", "", "replica placement for EC shards, or master default if empty")
applyBalancing := balanceCommand.Bool("force", false, "apply the balancing plan")
if err = balanceCommand.Parse(args); err != nil {
return nil