## Uses of Class
org.apache.lucene.index.TieredMergePolicy

- Packages that use TieredMergePolicy
  Package | Description
  --- | ---
  org.apache.lucene.index | Code to maintain and access indices.

- - ### Uses of TieredMergePolicy in org.apache.lucene.index

    Methods in org.apache.lucene.index that return TieredMergePolicy
    Modifier and Type | Method and Description
    --- | ---
    `TieredMergePolicy` | TieredMergePolicy.`setDeletesPctAllowed(double v)` Controls the maximum percentage of deleted documents that is tolerated in the index.
    `TieredMergePolicy` | TieredMergePolicy.`setFloorSegmentMB(double v)` Segments smaller than this are "rounded up" to this size, ie treated as equal (floor) size for merge selection.
    `TieredMergePolicy` | TieredMergePolicy.`setForceMergeDeletesPctAllowed(double v)` When forceMergeDeletes is called, we only merge away a segment if its delete percentage is over this threshold.
    `TieredMergePolicy` | TieredMergePolicy.`setMaxMergeAtOnce(int v)` Maximum number of segments to be merged at a time during "normal" merging.
    `TieredMergePolicy` | TieredMergePolicy.`setMaxMergeAtOnceExplicit(int v)` Deprecated. This method will be removed in Lucene 9 and explicit merges won't limit the number of merged segments.
    `TieredMergePolicy` | TieredMergePolicy.`setMaxMergedSegmentMB(double v)` Maximum sized segment to produce during normal merging.
    `TieredMergePolicy` | TieredMergePolicy.`setSegmentsPerTier(double v)` Sets the allowed number of segments per tier.

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