120 lines
3.3 KiB
Plaintext
120 lines
3.3 KiB
Plaintext
[[cat-segments]]
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=== cat segments API
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++++
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<titleabbrev>cat segments</titleabbrev>
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++++
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Returns low-level information about the https://lucene.apache.org/core/[Lucene]
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segments in index shards, similar to the <<indices-segments, indices segments>>
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API.
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[[cat-segments-api-request]]
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==== {api-request-title}
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`GET /_cat/segments/<index>`
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[[cat-segments-path-params]]
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==== {api-path-parms-title}
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include::{docdir}/rest-api/common-parms.asciidoc[tag=index]
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[[cat-segments-query-params]]
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==== {api-query-parms-title}
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include::{docdir}/rest-api/common-parms.asciidoc[tag=bytes]
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include::{docdir}/rest-api/common-parms.asciidoc[tag=http-format]
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include::{docdir}/rest-api/common-parms.asciidoc[tag=cat-h]
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+
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--
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If you do not specify which columns to include, the API returns the default
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columns in the order listed below. If you explicitly specify one or more
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columns, it only returns the specified columns.
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Valid columns are:
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`index`, `i`, `idx`::
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(Default) Name of the index, such as `twitter`.
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`shard`, `s`, `sh`::
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(Default) Name of the shard.
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`prirep`, `p`, `pr`, `primaryOrReplica`::
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(Default) Shard type. Returned values are `primary` or `replica`.
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`ip`::
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(Default) IP address of the segment's shard, such as `127.0.1.1`.
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`segment`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=segment]
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`generation`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=generation]
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`docs.count`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=docs-count]
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`docs.deleted`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=docs-deleted]
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`size`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=segment-size]
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`size.memory`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=memory]
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`committed`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=committed]
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`searchable`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=segment-search]
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`version`::
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(Default)
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include::{docdir}/rest-api/common-parms.asciidoc[tag=segment-version]
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`compound`::
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(Default) If `true`, the segment is stored in a compound file. This means Lucene
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merged all files from the segment in a single file to save file descriptors.
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`id`::
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ID of the node, such as `k0zy`.
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--
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include::{docdir}/rest-api/common-parms.asciidoc[tag=help]
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include::{docdir}/rest-api/common-parms.asciidoc[tag=cat-s]
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include::{docdir}/rest-api/common-parms.asciidoc[tag=cat-v]
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[[cat-segments-api-example]]
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==== {api-examples-title}
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[source,console]
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--------------------------------------------------
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GET /_cat/segments?v
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--------------------------------------------------
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// TEST[s/^/PUT \/test\/test\/1?refresh\n{"test":"test"}\nPUT \/test1\/test\/1?refresh\n{"test":"test"}\n/]
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The API returns the following response:
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["source","txt",subs="attributes,callouts"]
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--------------------------------------------------
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index shard prirep ip segment generation docs.count docs.deleted size size.memory committed searchable version compound
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test 0 p 127.0.0.1 _0 0 1 0 3kb 2042 false true {lucene_version} true
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test1 0 p 127.0.0.1 _0 0 1 0 3kb 2042 false true {lucene_version} true
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--------------------------------------------------
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// TESTRESPONSE[s/3kb/\\d+(\\.\\d+)?[mk]?b/ s/2042/\\d+/ non_json]
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