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The table below provides a canonical, comprehensive collection of Nutch metrics.

Info

title	Table Ordering Logic

The table is arranged

First by Tool column; the sequenced order of tool invocation within a typical Nutch crawl cycle i.e., Injector, Generator, Fetch, Parse, etc.
Secondly by the Metric Name column; with counter name's ordered alphabetically for the given Metric Group they belong to.

Tool	Metric Group	Metric Name
Injector	injector	urls_filtered
	injector	urls_injected
	injector	urls_merged
	injector	urls_purged_404
	injector	urls_purged_filter
Generator	Generator	SCHEDULE_REJECTED
	Generator	WAIT_FOR_UPDATE
	Generator	EXPR_REJECTED
	Generator	STATUS_REJECTED
	Generator	SCORE_TOO_LOW
	Generator	INTERVAL_REJECTED
	Generator	MALFORMED_URL
	Generator	HOSTS_AFFECTED_PER_HOST_OVERFLOW
	Generator	URLS_SKIPPED_PER_HOST_OVERFLOW

./src/test/org/apache/nutch/crawl/CrawlDbUpdateUtil.java

./src/test/org/apache/nutch/crawl/CrawlDBTestUtil.java

./src/java/org/apache/nutch/tools/warc/WARCExporter.java

./src/java/org/apache/nutch/util/SitemapProcessor.java

./src/java/org/apache/nutch/util/domain/DomainStatistics.java

./src/java/org/apache/nutch/parse/ParseSegment.java

./src/java/org/apache/nutch/fetcher/Fetcher.java

./src/java/org/apache/nutch/fetcher/FetcherThread.java

./src/java/org/apache/nutch/fetcher/QueueFeeder.java

./src/java/org/apache/nutch/crawl/CrawlDb.java

./src/java/org/apache/nutch/crawl/CrawlDbReducer.java

./src/java/org/apache/nutch/crawl/DeduplicationJob.java

./src/java/org/apache/nutch/crawl/CrawlDbFilter.java

./src/java/org/apache/nutch/hostdb/UpdateHostDbMapper.java

./src/java/org/apache/nutch/hostdb/UpdateHostDbReducer.java

./src/java/org/apache/nutch/hostdb/ResolverThread.java

./src/java/org/apache/nutch/scoring/webgraph/WebGraph.java

./src/java/org/apache/nutch/indexer/IndexingJob.java

./src/java/org/apache/nutch/indexer/IndexerMapReduce.java

./src/java/org/apache/nutch/indexer/CleaningJob.java

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