index_object:compact() | Tarantool
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object index_object

Remove unused index space. For the memtx storage engine this method does nothing; index_object:compact() is only for the vinyl storage engine. For example, with vinyl, if a tuple is deleted, the space is not immediately reclaimed. There is a scheduler for reclaiming space automatically based on factors such as lsm shape and amplification as discussed in the section Storing data with vinyl, so calling index_object:compact() manually is not always necessary.

Return:nil (Tarantool returns without waiting for compaction to complete)