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Update shards_allocation.asciidoc (#26019) 

Slight language and consistency updates in shard balancing heuristics
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Aron Szanto 2017-08-03 05:24:26 -04:00 committed by Luca Cavanna
parent 5f1634dff4
commit 316cb42b21
1 changed files with 4 additions and 4 deletions
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docs/reference/modules/cluster/shards_allocation.asciidoc
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@ -101,18 +101,18 @@ Specify when shard rebalancing is allowed:
=== Shard Balancing Heuristics
The following settings are used together to determine where to place each
shard. The cluster is balanced when no allowed action can bring the weights
of each node closer together by more than the `balance.threshold`.
shard. The cluster is balanced when no allowed rebalancing operation can bring the weight
of any node closer to the weight of any other node by more than the `balance.threshold`.
`cluster.routing.allocation.balance.shard`::
Defines the weight factor for shards allocated on a node
Defines the weight factor for the total number of shards allocated on a node
(float). Defaults to `0.45f`. Raising this raises the tendency to
equalize the number of shards across all nodes in the cluster.
`cluster.routing.allocation.balance.index`::
Defines a factor to the number of shards per index allocated
Defines the weight factor for the number of shards per index allocated
on a specific node (float). Defaults to `0.55f`. Raising this raises the
tendency to equalize the number of shards per index across all nodes in
the cluster.