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  1. Core Server
  2. SERVER-64925

Use block compression for secondary indexes on clustered collections

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    • Storage Execution
    • Execution Team 2022-10-17

    Description

      We don't use WiredTiger block compression for secondary indexes on non-clustered collections because we already use prefix compression and the stored RecordIds are pretty compact.

      Clustered collections have larger RecordIds which take up more space, but may compress better.

      We should evaluate using block compression for secondary indexes on clustered collections to reduce storage size.

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            backlog-server-execution Backlog - Storage Execution Team
            louis.williams@mongodb.com Louis Williams
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