Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 130 (from laksa181)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa130.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 = 20 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://blog.eduonix.com/2015/09/learn-the-concept-of-for-loop-in-linux-shell-scripting/\')), getAhrefsUnparsedNoserviceFromURL(\'https://blog.eduonix.com/2015/09/learn-the-concept-of-for-loop-in-linux-shell-scripting/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/blog.eduonix.com\/2015\/09\/learn-the-concept-of-for-loop-in-linux-shell-scripting\/","crawl_time":1777157213,"first_indexed_time":1708563986,"http_code":200,"src_unparsed":"com,eduonix!blog,\/2015\/09\/learn-the-concept-of-for-loop-in-linux-shell-scripting\/ s443","src_root_hash":"967453079524984130","history_drop_reason":null,"meta_title":"Learn the concept of For Loop in Linux Shell Scripting - Eduonix Blog","meta_descriptions":["In this article, we will talk about Loops. There are 3 types of loops supported in Linux Shells. Of the three types,we will learn about the for loop."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en-us","attrs_author":null,"attrs_publish_time":1441349550,"attrs_original_publish_time":1441065600,"attrs_is_republished":0,"attrs_nr_words":"1233","attrs_boilerpipe_nr_words":"998","body_ext_links_number":2,"body_int_links_number":37,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":2055,"download_ttfb_msec":2022,"download_size":23698}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	1.3 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.eduonix.com/2015/09/learn-the-concept-of-for-loop-in-linux-shell-scripting/
Last Crawled	2026-04-25 22:46:53 (1 month ago)
First Indexed	2024-02-22 01:06:26 (2 years ago)
HTTP Status Code	200
Content
Meta Title	Learn the concept of For Loop in Linux Shell Scripting - Eduonix Blog
Meta Description	In this article, we will talk about Loops. There are 3 types of loops supported in Linux Shells. Of the three types,we will learn about the for loop.
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-us
Author	null
Publish Time	2015-09-04 06:52:30 (10 years ago)
Original Publish Time	2015-09-01 00:00:00 (10 years ago)
Republished	No
Word Count (Total)	1,233
Word Count (Content)	998
Links
External Links	2
Internal Links	37
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	2,055
TTFB (ms)	2,022
Download Size (bytes)	23,698
Location
Host ID	130 (laksa130)
Partition ID	20
Root Hash	967453079524984130
Unparsed URL	com,eduonix!blog,/2015/09/learn-the-concept-of-for-loop-in-linux-shell-scripting/ s443

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