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  1. Core Server
  2. SERVER-16683

Decrease mongos memory footprint when shards have several tags

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 2.8.0-rc4
    • Fix Version/s: 2.6.7, 2.8.0-rc5
    • Component/s: Sharding
    • Labels:
      None
    • Backwards Compatibility:
      Fully Compatible
    • Backport Completed:

      Description

      Currently, each Chunk object has its own copy of a Shard instance, and the Shard object contains all the tags for the shard. This can cause an explosion in memory usage when the cluster contains many chunks.

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