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Search::Elasticsearch::Client::1_0::Direct::Cat(3) User Contributed Perl Documentation Search::Elasticsearch::Client::1_0::Direct::Cat(3)

Search::Elasticsearch::Client::1_0::Direct::Cat - A client for running cat debugging requests

version 5.02

The "cat" API in Elasticsearch provides information about your cluster and indices in a simple, easy to read text format, intended for human consumption.

These APIs have a number of parameters in common:

  • "help"

    Returns help about the API, eg:

        say $e->cat->allocation(help => 1);
        
  • "v"

    Includes the column headers in the output:

        say $e->cat->allocation(v => 1);
        
  • "h"

    Accepts a list of column names to be output, eg:

        say $e->cat->indices(h => ['health','index']);
        
  • "bytes"

    Formats byte-based values as bytes ("b"), kilobytes ("k"), megabytes ("m") or gigabytes ("g")

It does Search::Elasticsearch::Role::Client::Direct.

    say $e->cat->help;

Returns the list of supported "cat" APIs

    say $e->cat->aliases(
        name => 'name' | \@names    # optional
    );

Returns information about index aliases, optionally limited to the specified index/alias names.

Query string parameters: "h", "help", "local", "master_timeout", "v"

See the cat aliases docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-aliases.html> for more information.

    say $e->cat->allocation(
        node_id => 'node' | \@nodes    # optional
    );

Provides a snapshot of how shards have located around the cluster and the state of disk usage.

Query string parameters: "bytes", "h", "help", "local", "master_timeout", "v"

See the cat allocation docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-allocation.html> for more information.

    say $e->cat->count(
        index => 'index' | \@indices    # optional
    );

Provides quick access to the document count of the entire cluster, or individual indices.

Query string parameters: "h", "help", "local", "master_timeout", "v"

See the cat count docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-count.html> for more information.

    say $e->cat->fielddata(
        fields => 'field' | \@fields    # optional
    );

Shows the amount of memory used by each of the specified `fields` (or all fields) loaded into fielddata.

Query string parameters: "bytes", "h", "help", "local", "master_timeout", "v"

See the cat fielddata docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-fielddata.html> for more information.

    say $e->cat->health();

Provides a snapshot of how shards have located around the cluster and the state of disk usage.

Query string parameters: "bytes", "h", "help", "local", "master_timeout", "ts", "v"

See the cat health docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-health.html> for more information.

    say $e->cat->indices(
        index => 'index' | \@indices    # optional
    );

Provides a summary of index size and health for the whole cluster or individual indices

Query string parameters: "bytes", "h", "help", "local", "master_timeout", "pri", "v"

See the cat indices docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-indices.html> for more information.

    say $e->cat->master();

Displays the master’s node ID, bound IP address, and node name.

Query string parameters: "h", "help", "local", "master_timeout", "v"

See the cat master docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-master.html> for more information.

    say $e->cat->nodes();

Provides a snapshot of all of the nodes in your cluster.

Query string parameters: "h", "help", "local", "master_timeout", "v"

See the cat nodes docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-nodes.html> for more information.

    say $e->cat->pending_tasks();

Returns any cluster-level tasks which are queued on the master.

Query string parameters: "local", "master_timeout", "h", "help", "v"

See the cat pending-tasks docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-pending-tasks.html> for more information.

    say $e->cat->plugins();

Returns information about plugins installed on each node.

Query string parameters: "local", "master_timeout", "h", "help", "v"

See the cat plugins docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-plugins.html> for more information.

    say $e->cat->recovery(
        index => 'index' | \@indices    # optional
    );

Provides a is a view of shard replication. It will show information anytime data from at least one shard is copying to a different node. It can also show up on cluster restarts. If your recovery process seems stuck, try it to see if there’s any movement using "recovery()".

Query string parameters: "bytes", "h", "help", "master_timeout", "v"

See the cat recovery docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-recovery.html> for more information.

    say $e->cat->segments(
        index => 'index' | \@indices    # optional
    );

Provides low level information about the segments in the shards of an index.

Query string parameters: "h", "help", "v"

See the cat shards docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-segments.html> for more information.

    say $e->cat->shards(
        index => 'index' | \@indices    # optional
    );

Provides a detailed view of what nodes contain which shards, the state and size of each shard.

Query string parameters: "h", "help", "local", "master_timeout", "v"

See the cat shards docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-shards.html> for more information.

    say $e->cat->thread_pool(
        index => 'index' | \@indices    # optional
    );

Shows cluster wide thread pool statistics per node. By default the "active", "queue" and "rejected" statistics are returned for the "bulk", "index" and "search" thread pools.

Query string parameters: "full_id", "h", "help", "local", "master_timeout", "v"

See the cat thread_pool docs <http://www.elastic.co/guide/en/elasticsearch/reference/current/cat-thread-pool.html> for more information.

Clinton Gormley <drtech@cpan.org>

This software is Copyright (c) 2017 by Elasticsearch BV.

This is free software, licensed under:

  The Apache License, Version 2.0, January 2004
2017-04-02 perl v5.32.1

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