Contents

:plugin: drop
:type: filter

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:version: %VERSION%
:release_date: %RELEASE_DATE%
:changelog_url: %CHANGELOG_URL%
:include_path: ../../../../logstash/docs/include
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[id="plugins-{type}s-{plugin}"]

=== Drop filter plugin

include::{include_path}/plugin_header.asciidoc[]

==== Description

Drop filter.

Drops everything that gets to this filter.

This is best used in combination with conditionals, for example:
[source,ruby]
    filter {
      if [loglevel] == "debug" {
        drop { }
      }
    }

The above will only pass events to the drop filter if the loglevel field is
`debug`. This will cause all events matching to be dropped.

[id="plugins-{type}s-{plugin}-options"]
==== Drop Filter Configuration Options

This plugin supports the following configuration options plus the <<plugins-{type}s-{plugin}-common-options>> described later.

[cols="<,<,<",options="header",]
|=======================================================================
|Setting |Input type|Required
| <<plugins-{type}s-{plugin}-percentage>> |<<number,number>>|No
|=======================================================================

Also see <<plugins-{type}s-{plugin}-common-options>> for a list of options supported by all
filter plugins.

&nbsp;

[id="plugins-{type}s-{plugin}-percentage"]
===== `percentage` 

  * Value type is <<number,number>>
  * Default value is `100`

Drop all the events within a pre-configured percentage.

This is useful if you just need a percentage but not the whole.

Example, to only drop around 40% of the events that have the field loglevel with value "debug".

    filter {
      if [loglevel] == "debug" {
        drop {
          percentage => 40
        }
      }
    }



[id="plugins-{type}s-{plugin}-common-options"]
include::{include_path}/{type}.asciidoc[]

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
logstash-filter-drop-3.0.5	docs/index.asciidoc
logstash-filter-drop-3.0.4	docs/index.asciidoc