Glossary of terms

If you’d like to see a term defined here, use the "Edit" link to the right. See Site Corrections.

alias: A pointer to one or more indices. See Index Aliases in the official Elasticsearch documentation for more information.
bloom: This refers to a Bloom filter cache. A Bloom filter can be used to speed up answers in a key-value storage system. Beginning with version 1.4, Elasticsearch no longer uses a Bloom filter cache for search operations.
command: An operation to perform on one or more indices or snapshots. See Commands.
subcommand: A command which is nested, or comes after, a prior command. See Subcommands.
time-unit: One of hours, days, weeks, or months. When acting on time-series indices, the --time-unit is used for time calculation.
timestring: A Python strftime string to match your index definition. 2014.07.15 would be %Y.%m.%d. See --timestring.