27 lines
822 B
Plaintext
27 lines
822 B
Plaintext
[[allocation-total-shards]]
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=== Total Shards Per Node
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The cluster-level shard allocator tries to spread the shards of a single index
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across as many nodes as possible. However, depending on how many shards and
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indices you have, and how big they are, it may not always be possible to spread
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shards evenly.
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The following _dynamic_ setting allows you to specify a hard limit on the total
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number of shards from a single index allowed per node:
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`index.routing.allocation.total_shards_per_node`::
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The maximum number of shards (replicas and primaries) that will be
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allocated to a single node. Defaults to unbounded.
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[WARNING]
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=======================================
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This setting imposes a hard limit which can result in some shards not
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being allocated.
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Use with caution.
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=======================================
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