Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 19 (from laksa028)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa019.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, meta_canonical AS meta_canonical, ml_categories_json AS ml_categories_json, ml_types_json AS ml_types_json, ml_intent_types_json AS ml_intent_types_json, meta_language AS meta_language, attrs_author AS attrs_author, ifNull(toUnixTimestamp(attrs_publish_time), 0) AS attrs_publish_time, ifNull(toUnixTimestamp(attrs_original_publish_time), 0) AS attrs_original_publish_time, ifNull(attrs_is_republished, 0) AS attrs_is_republished, ifNull(attrs_nr_words, 0) AS attrs_nr_words, ifNull(attrs_boilerpipe_nr_words, 0) AS attrs_boilerpipe_nr_words, ifNull(body_ext_links_number, 0) AS body_ext_links_number, ifNull(body_int_links_number, 0) AS body_int_links_number, ifNull(meta_nofollow, 0) AS meta_nofollow, ifNull(meta_noarchive, 0) AS meta_noarchive, ifNull(props_was_rendered, 0) AS props_was_rendered, ifNull(src_redirect, \'\') AS src_redirect, ifNull(download_time_msec, 0) AS download_time_msec, ifNull(download_ttfb_msec, 0) AS download_ttfb_msec, ifNull(download_size, 0) AS download_size FROM crawler3.page_info_local FINAL PREWHERE int_partition_id = 62 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://blog.ronin.cloud/gnuscreen/\')), getAhrefsUnparsedNoserviceFromURL(\'https://blog.ronin.cloud/gnuscreen/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/blog.ronin.cloud\/gnuscreen\/","crawl_time":1779792297,"first_indexed_time":1617411061,"http_code":200,"src_unparsed":"cloud,ronin!blog,\/gnuscreen\/ s443","src_root_hash":"8035805231426972419","history_drop_reason":null,"meta_title":"Running Commands in the Background with GNU Screen","meta_descriptions":["Being able to run commands and scripts directly from the command-line is great; however, some commands or scripts may need to run for extended periods without interruption. GNU Screen provides a simple solution to ensure your analyses are never prematurely terminated again."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":"Parice Brandies","attrs_publish_time":1617321224,"attrs_original_publish_time":1617321224,"attrs_is_republished":0,"attrs_nr_words":"1054","attrs_boilerpipe_nr_words":"847","body_ext_links_number":4,"body_int_links_number":12,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":50,"download_ttfb_msec":49,"download_size":10224}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.3 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Property	Value
URL	https://blog.ronin.cloud/gnuscreen/
Last Crawled	2026-05-26 10:44:57 (7 days ago)
First Indexed	2021-04-03 00:51:01 (5 years ago)
HTTP Status Code	200
Content
Meta Title	Running Commands in the Background with GNU Screen
Meta Description	Being able to run commands and scripts directly from the command-line is great; however, some commands or scripts may need to run for extended periods without interruption. GNU Screen provides a simple solution to ensure your analyses are never prematurely terminated again.
Meta Canonical	null
Boilerpipe Text	heavy column, fetched on demand
Markdown	heavy column, fetched on demand
Readable Markdown	heavy column, fetched on demand
ML Classification
ML Categories	null
ML Page Types	null
ML Intent Types	null
Content Metadata
Language	en
Author	Parice Brandies
Publish Time	2021-04-01 23:53:44 (5 years ago)
Original Publish Time	2021-04-01 23:53:44 (5 years ago)
Republished	No
Word Count (Total)	1,054
Word Count (Content)	847
Links
External Links	4
Internal Links	12
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	50
TTFB (ms)	49
Download Size (bytes)	10,224
Location
Host ID	19 (laksa019)
Partition ID	62
Root Hash	8035805231426972419
Unparsed URL	cloud,ronin!blog,/gnuscreen/ s443

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1. Shard Calculation

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5. Seen Status Check

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