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https://issues.apache.org/jira/browse/NUTCH-3132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lewis John McGibbney updated NUTCH-3132:
----------------------------------------
Description:
This task will create a centralized metrics constants class following
[Prometheus naming conventions|https://prometheus.io/docs/practices/naming/],
cache counter references to reduce lookup overhead, and standardize naming
across the codebase. This affects 88 counter operations in 17 files.
Following [Prometheus best
practices|https://prometheus.io/docs/practices/naming/]:
||Rule ||Convention||Example||
|Prefix|Application namespace {{nutch_}}|{{nutch_fetcher_...}}|
|Units|Base units as suffix|{{{}_bytes{}}}, {{_seconds}}|
|Counts|{{_total}} suffix|{{pages_fetched_total}}|
|Case|snake_case|{{robots_denied}} not {{RobotsDenied}}|
h2. Counter Group Mapping
||Current||Prometheus-style||
|{{FetcherStatus}}|{{nutch_fetcher}}|
|{{Generator}}|{{nutch_generator}}|
|{{IndexerStatus}}|{{nutch_indexer}}|
|{{CrawlDB status}}|{{nutch_crawldb}}|
|{{injector}}|{{nutch_injector}}|
|{{UpdateHostDb}}|{{nutch_hostdb}}|
|{{ParserStatus}}|{{nutch_parser}}|
h2. Counter Name Mapping (examples)
||Current||Prometheus||
|{{bytes_downloaded}}|{{bytes_downloaded_total}}|
|{{robots_denied}}|{{robots_denied_total}}|
|{{URL_FILTERS_REJECTED}}|{{urls_filtered_total}}|
|{{urls_injected}}|{{urls_injected_total}}|
|{{indexed (add/update)}}|{{docs_indexed_total}}|
was:
This task will create a centralized metrics constants class following
[Prometheus naming conventions|https://prometheus.io/docs/practices/naming/],
cache counter references to reduce lookup overhead, and standardize naming
across the codebase. This affects 88 counter operations in 17 files.
Following [Prometheus best
practices|https://prometheus.io/docs/practices/naming/]:
||Rule ||Convention||Example||
|Prefix|Application namespace {{nutch_}}|{{nutch_fetcher_...}}|
|Case||snake_case\|{{{}robots_denied{}}} not {{RobotsDenied}} ||
|Units|Base units as suffix|{{{}_bytes{}}}, {{_seconds}}|
|Counts|{{_total}} suffix|{{pages_fetched_total}}|
h2. Counter Group Mapping
||Current||Prometheus-style||
|{{FetcherStatus}}|{{nutch_fetcher}}|
|{{Generator}}|{{nutch_generator}}|
|{{IndexerStatus}}|{{nutch_indexer}}|
|{{CrawlDB status}}|{{nutch_crawldb}}|
|{{injector}}|{{nutch_injector}}|
|{{UpdateHostDb}}|{{nutch_hostdb}}|
|{{ParserStatus}}|{{nutch_parser}}|
h2. Counter Name Mapping (examples)
||Current||Prometheus||
|{{bytes_downloaded}}|{{bytes_downloaded_total}}|
|{{robots_denied}}|{{robots_denied_total}}|
|{{URL_FILTERS_REJECTED}}|{{urls_filtered_total}}|
|{{urls_injected}}|{{urls_injected_total}}|
|{{indexed (add/update)}}|{{docs_indexed_total}}|
> Standardize existing Nutch metrics naming and implementation
> ------------------------------------------------------------
>
> Key: NUTCH-3132
> URL: https://issues.apache.org/jira/browse/NUTCH-3132
> Project: Nutch
> Issue Type: Sub-task
> Components: metrics
> Reporter: Lewis John McGibbney
> Assignee: Lewis John McGibbney
> Priority: Major
> Fix For: 1.22
>
>
> This task will create a centralized metrics constants class following
> [Prometheus naming conventions|https://prometheus.io/docs/practices/naming/],
> cache counter references to reduce lookup overhead, and standardize naming
> across the codebase. This affects 88 counter operations in 17 files.
> Following [Prometheus best
> practices|https://prometheus.io/docs/practices/naming/]:
>
> ||Rule ||Convention||Example||
> |Prefix|Application namespace {{nutch_}}|{{nutch_fetcher_...}}|
> |Units|Base units as suffix|{{{}_bytes{}}}, {{_seconds}}|
> |Counts|{{_total}} suffix|{{pages_fetched_total}}|
> |Case|snake_case|{{robots_denied}} not {{RobotsDenied}}|
> h2. Counter Group Mapping
> ||Current||Prometheus-style||
> |{{FetcherStatus}}|{{nutch_fetcher}}|
> |{{Generator}}|{{nutch_generator}}|
> |{{IndexerStatus}}|{{nutch_indexer}}|
> |{{CrawlDB status}}|{{nutch_crawldb}}|
> |{{injector}}|{{nutch_injector}}|
> |{{UpdateHostDb}}|{{nutch_hostdb}}|
> |{{ParserStatus}}|{{nutch_parser}}|
> h2. Counter Name Mapping (examples)
> ||Current||Prometheus||
> |{{bytes_downloaded}}|{{bytes_downloaded_total}}|
> |{{robots_denied}}|{{robots_denied_total}}|
> |{{URL_FILTERS_REJECTED}}|{{urls_filtered_total}}|
> |{{urls_injected}}|{{urls_injected_total}}|
> |{{indexed (add/update)}}|{{docs_indexed_total}}|
>
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