## 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 | 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 size are merged more aggressively: They are candidates for full-flush merges, in order to reduce the number of segments in the index prior to opening a new point-in-time view of the index.
    `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.`setMaxMergedSegmentMB​(double v)` | Maximum sized segment to produce during normal merging.
    `TieredMergePolicy` | TieredMergePolicy.`setSegmentsPerTier​(double v)` | Sets the allowed number of segments per tier.