From 11afead21e789503c587bb4cf21dfeb30e8b8d78 Mon Sep 17 00:00:00 2001 From: Lisa Cawley Date: Thu, 2 Apr 2020 17:40:53 -0700 Subject: [PATCH] [DOCS] Adds collapsible sections to rollup APIs (#54690) --- docs/reference/rollup/apis/get-job.asciidoc | 38 ++-- docs/reference/rollup/apis/put-job.asciidoc | 214 +++++++++++--------- 2 files changed, 141 insertions(+), 111 deletions(-) diff --git a/docs/reference/rollup/apis/get-job.asciidoc b/docs/reference/rollup/apis/get-job.asciidoc index 917257c12a5..ef24e0cfa75 100644 --- a/docs/reference/rollup/apis/get-job.asciidoc +++ b/docs/reference/rollup/apis/get-job.asciidoc @@ -40,21 +40,32 @@ For details about a historical {rollup-job}, the ``:: (Optional, string) Identifier for the {rollup-job}. If it is `_all` or omitted, the API returns all {rollup-jobs}. - + +[role="child_attributes"] [[rollup-get-job-response-body]] ==== {api-response-body-title} `jobs`:: - (array) An array of {rollup-job} resources. - `config`::: - (object) Contains the configuration for the {rollup-job}. This information - is identical to the configuration that was supplied when creating the job - via the <>. - `status`::: - (object) Contains the current status of the indexer for the {rollup-job}. - The possible values and their meanings are: +(array) An array of {rollup-job} resources. ++ +.Properties of {rollup-job} resources +[%collapsible%open] +==== +`config`::: +(object) Contains the configuration for the {rollup-job}. This information is +identical to the configuration that was supplied when creating the job via the +<>. + +`stats`::: +(object) Contains transient statistics about the {rollup-job}, such as how many +documents have been processed and how many rollup summary docs have been +indexed. These stats are not persisted. If a node is restarted, these stats are +reset. + +`status`::: +(object) Contains the current status of the indexer for the {rollup-job}. The +possible values and their meanings are: + --- - `stopped` means the indexer is paused and will not process data, even if its cron interval triggers. - `started` means the indexer is running, but not actively indexing data. When @@ -66,12 +77,7 @@ be ignored because the job is already active with the prior trigger. is used if the task needs to be shut down for some reason (job has been deleted, an unrecoverable error has been encountered, etc). Shortly after the `abort` state is set, the job will remove itself from the cluster. --- - `stats`::: - (object) Contains transient statistics about the {rollup-job}, such as how - many documents have been processed and how many rollup summary docs have - been indexed. These stats are not persisted. If a node is restarted, these - stats will be reset. +==== [[rollup-get-job-example]] ==== {api-examples-title} diff --git a/docs/reference/rollup/apis/put-job.asciidoc b/docs/reference/rollup/apis/put-job.asciidoc index 54203dec5bc..adcc5daadab 100644 --- a/docs/reference/rollup/apis/put-job.asciidoc +++ b/docs/reference/rollup/apis/put-job.asciidoc @@ -49,54 +49,59 @@ Jobs are created in a `STOPPED` state. You can start them with the create a new job with the same ID since that could lead to problems with mismatched job configurations. +[role="child_attributes"] [[rollup-put-job-api-request-body]] ==== {api-request-body-title} `cron`:: - (Required, string) A cron string which defines the intervals when the - {rollup-job} should be executed. When the interval triggers, the indexer - attempts to rollup the data in the index pattern. The cron pattern is - unrelated to the time interval of the data being rolled up. For example, you - may wish to create hourly rollups of your document but to only run the indexer - on a daily basis at midnight, as defined by the cron. The cron pattern is - defined just like a {watcher} cron schedule. +(Required, string) A cron string which defines the intervals when the +{rollup-job} should be executed. When the interval triggers, the indexer +attempts to rollup the data in the index pattern. The cron pattern is +unrelated to the time interval of the data being rolled up. For example, you +may wish to create hourly rollups of your document but to only run the indexer +on a daily basis at midnight, as defined by the cron. The cron pattern is +defined just like a {watcher} cron schedule. +//Begin groups [[rollup-groups-config]] `groups`:: - (Required, object) Defines the grouping fields and aggregations that are - defined for this {rollup-job}. These fields will then be available later for - aggregating into buckets. +(Required, object) Defines the grouping fields and aggregations that are +defined for this {rollup-job}. These fields will then be available later for +aggregating into buckets. + --- These aggs and fields can be used in any combination. Think of the `groups` configuration as defining a set of tools that can later be used in aggregations to partition the data. Unlike raw data, we have to think ahead to which fields and aggregations might be used. Rollups provide enough flexibility that you simply need to determine _which_ fields are needed, not _in what order_ they are needed. - -There are three types of groupings currently available: --- - ++ +There are three types of groupings currently available: `date_histogram`, +`histogram`, and `terms`. ++ +.Properties of `groups` +[%collapsible%open] +==== +//Begin date_histogram `date_histogram`::: - (Required, object) A date histogram group aggregates a `date` field into - time-based buckets. This group is *mandatory*; you currently cannot rollup - documents without a timestamp and a `date_histogram` group. The - `date_histogram` group has several parameters: - -`field`:::: - (Required, string) The date field that is to be rolled up. - +(Required, object) A date histogram group aggregates a `date` field into +time-based buckets. This group is *mandatory*; you currently cannot rollup +documents without a timestamp and a `date_histogram` group. The +`date_histogram` group has several parameters: ++ +.Properties of `date_histogram` +[%collapsible%open] +===== `calendar_interval` or `fixed_interval`:::: - (Required, <>) The interval of time buckets to be - generated when rolling up. For example, `60m` produces 60 minute (hourly) - rollups. This follows standard time formatting syntax as used elsewhere in - {es}. The interval defines the _minimum_ interval that can be aggregated only. - If hourly (`60m`) intervals are configured, <> - can execute aggregations with 60m or greater (weekly, monthly, etc) intervals. - So define the interval as the smallest unit that you wish to later query. For - more information about the difference between calendar and fixed time - intervals, see <>. +(Required, <>) The interval of time buckets to be +generated when rolling up. For example, `60m` produces 60 minute (hourly) +rollups. This follows standard time formatting syntax as used elsewhere in {es}. +The interval defines the _minimum_ interval that can be aggregated only. If +hourly (`60m`) intervals are configured, <> +can execute aggregations with 60m or greater (weekly, monthly, etc) intervals. +So define the interval as the smallest unit that you wish to later query. For +more information about the difference between calendar and fixed time +intervals, see <>. + -- NOTE: Smaller, more granular intervals take up proportionally more space. @@ -104,12 +109,12 @@ NOTE: Smaller, more granular intervals take up proportionally more space. -- `delay`:::: - (Optional,<>) How long to wait before rolling up new - documents. By default, the indexer attempts to roll up all data that is - available. However, it is not uncommon for data to arrive out of order, - sometimes even a few days late. The indexer is unable to deal with data that - arrives after a time-span has been rolled up. That is to say, there is no - provision to update already-existing rollups. +(Optional,<>) How long to wait before rolling up new +documents. By default, the indexer attempts to roll up all data that is +available. However, it is not uncommon for data to arrive out of order, +sometimes even a few days late. The indexer is unable to deal with data that +arrives after a time-span has been rolled up. That is to say, there is no +provision to update already-existing rollups. + -- Instead, you should specify a `delay` that matches the longest period of time @@ -118,18 +123,45 @@ instructs the indexer to roll up documents up to `now - 1d`, which provides a day of buffer time for out-of-order documents to arrive. -- -`time_zone`:::: - (Optional, string) Defines what time_zone the rollup documents are stored as. - Unlike raw data, which can shift timezones on the fly, rolled documents have - to be stored with a specific timezone. By default, rollup documents are stored - in `UTC`. +`field`:::: +(Required, string) The date field that is to be rolled up. +`time_zone`:::: +(Optional, string) Defines what time_zone the rollup documents are stored as. +Unlike raw data, which can shift timezones on the fly, rolled documents have to +be stored with a specific timezone. By default, rollup documents are stored +in `UTC`. +===== +//End date_histogram + +//Begin histogram +`histogram`::: +(Optional, object) The histogram group aggregates one or more numeric fields +into numeric histogram intervals. ++ +.Properties of `histogram` +[%collapsible%open] +===== +`fields`:::: +(Required, array) The set of fields that you wish to build histograms for. All +fields specified must be some kind of numeric. Order does not matter. + +`interval`:::: +(Required, integer) The interval of histogram buckets to be generated when +rolling up. For example, a value of `5` creates buckets that are five units wide +(`0-5`, `5-10`, etc). Note that only one interval can be specified in the +`histogram` group, meaning that all fields being grouped via the histogram +must share the same interval. +===== +//End histogram + +//Begin terms `terms`::: - (Optional, object) The terms group can be used on `keyword` or numeric fields - to allow bucketing via the `terms` aggregation at a later point. The indexer - enumerates and stores _all_ values of a field for each time-period. This can - be potentially costly for high-cardinality groups such as IP addresses, - especially if the time-bucket is particularly sparse. +(Optional, object) The terms group can be used on `keyword` or numeric fields to +allow bucketing via the `terms` aggregation at a later point. The indexer +enumerates and stores _all_ values of a field for each time-period. This can be +potentially costly for high-cardinality groups such as IP addresses, especially +if the time-bucket is particularly sparse. + -- TIP: While it is unlikely that a rollup will ever be larger in size than the raw @@ -137,37 +169,25 @@ data, defining `terms` groups on multiple high-cardinality fields can effectively reduce the compression of a rollup to a large extent. You should be judicious which high-cardinality fields are included for that reason. -The `terms` group has a single parameter: -- - -`fields`:::: - (Required, string) The set of fields that you wish to collect terms for. This - array can contain fields that are both `keyword` and numerics. Order does not - matter. - -`histogram`::: - (Optional, object) The histogram group aggregates one or more numeric fields - into numeric histogram intervals. + --- -The `histogram` group has a two parameters: --- +.Properties of `terms` +[%collapsible%open] +===== `fields`:::: - (Required, array) The set of fields that you wish to build histograms for. All fields - specified must be some kind of numeric. Order does not matter. - -`interval`:::: - (Required, integer) The interval of histogram buckets to be generated when - rolling up. For example, a value of `5` creates buckets that are five units - wide (`0-5`, `5-10`, etc). Note that only one interval can be specified in the - `histogram` group, meaning that all fields being grouped via the histogram - must share the same interval. +(Required, string) The set of fields that you wish to collect terms for. This +array can contain fields that are both `keyword` and numerics. Order does not +matter. +===== +//End terms +==== +//End groups `index_pattern`:: - (Required, string) The index or index pattern to roll up. Supports - wildcard-style patterns (`logstash-*`). The job will - attempt to rollup the entire index or index-pattern. +(Required, string) The index or index pattern to roll up. Supports +wildcard-style patterns (`logstash-*`). The job attempts to rollup the entire +index or index-pattern. + -- NOTE: The `index_pattern` cannot be a pattern that would also match the @@ -179,39 +199,43 @@ prevent this behavior. -- +//Begin metrics [[rollup-metrics-config]] `metrics`:: - (Optional, object) Defines the metrics to collect for each grouping tuple. - By default, only the doc_counts are collected for each group. To make rollup - useful, you will often add metrics like averages, mins, maxes, etc. Metrics - are defined on a per-field basis and for each field you configure which metric - should be collected. +(Optional, object) Defines the metrics to collect for each grouping tuple. By +default, only the doc_counts are collected for each group. To make rollup useful, +you will often add metrics like averages, mins, maxes, etc. Metrics are defined +on a per-field basis and for each field you configure which metric should be +collected. + --- The `metrics` configuration accepts an array of objects, where each object has -two parameters: --- - +two parameters. ++ +.Properties of metric objects +[%collapsible%open] +==== `field`::: - (Required, string) The field to collect metrics for. This must be a numeric - of some kind. +(Required, string) The field to collect metrics for. This must be a numeric of +some kind. `metrics`::: - (Required, array) An array of metrics to collect for the field. At least one - metric must be configured. Acceptable metrics are `min`,`max`,`sum`,`avg`, and - `value_count`. +(Required, array) An array of metrics to collect for the field. At least one +metric must be configured. Acceptable metrics are `min`,`max`,`sum`,`avg`, and +`value_count`. +==== +//End metrics `page_size`:: - (Required, integer) The number of bucket results that are processed on each - iteration of the rollup indexer. A larger value tends to execute faster, but - requires more memory during processing. This value has no effect on how the - data is rolled up; it is merely used for tweaking the speed or memory cost of - the indexer. +(Required, integer) The number of bucket results that are processed on each +iteration of the rollup indexer. A larger value tends to execute faster, but +requires more memory during processing. This value has no effect on how the data +is rolled up; it is merely used for tweaking the speed or memory cost of +the indexer. `rollup_index`:: - (Required, string) The index that contains the rollup results. The index can - be shared with other {rollup-jobs}. The data is stored so that it doesn't - interfere with unrelated jobs. +(Required, string) The index that contains the rollup results. The index can +be shared with other {rollup-jobs}. The data is stored so that it doesn't +interfere with unrelated jobs. [[rollup-put-job-api-example]] ==== {api-example-title}