search

Enables search and retrieval

insert

Enables adding and updating documents

optimize

Enables opportunistic collection optimization

assist

Enables building of word list

housekeep

Enables housekeeping of unneeded files

delete

Enables document deletion

backup

Enables backup

purge

Enables background purging

repair

Enables collection repair

dataprep

Same as search-index-optimize-assist-housekeep

index

Same as insert-delete