Help Center/ Cloud Search Service/ User Guide (Paris and Amsterdam Regions)/ FAQs/ Resource Usage and Change/ What Are the Impacts If an Elasticsearch Cluster Has Too Many Shards?

Updated on 2023-06-20 GMT+08:00

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What Are the Impacts If an Elasticsearch Cluster Has Too Many Shards?

A large number of shards in a cluster slows down shard creation.
If automatic index creation is enabled, slow index creation may cause a large number of write requests to be stacked in the memory or result in a cluster break down.
If there are too many shards and you cannot properly monitor workloads, the number of records in a single shard may exceed the threshold, and write requests may be denied.

Parent topic: Resource Usage and Change

Previous topic: Can I Change the Number of Shards to Four with Two Replicas When There Is One Shard Set in the JSON File?

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