Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 8 (from laksa106)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa008.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 = 11 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://blog.csdn.net/u010660276/article/details/50570289\')), getAhrefsUnparsedNoserviceFromURL(\'https://blog.csdn.net/u010660276/article/details/50570289\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/blog.csdn.net\/u010660276\/article\/details\/50570289","crawl_time":1753629572,"first_indexed_time":1538092152,"http_code":200,"src_unparsed":"net,csdn!blog,\/u010660276\/article\/details\/50570289 s443","src_root_hash":"14895566225899102208","history_drop_reason":null,"meta_title":"python多进程_python process terminate 和 kill的如何区分使用-CSDN博客","meta_descriptions":["文章浏览阅读916次。Unix\/Linux操作系统提供了一个fork()系统调用，它非常特殊。普通的函数调用，调用一次，返回一次，但是fork()调用一次，返回两次，因为操作系统自动把当前进程（称为父进程）复制了一份（称为子进程），然后，分别在父进程和子进程内返回。子进程永远返回0，而父进程返回子进程的ID。这样做的理由是，一个父进程可以fork出很多子进程，所以，父进程要记下每个子进程的ID，而子进程只需要调用getp_python process terminate 和 kill的如何区分使用"],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"zh-cn","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1538092152,"attrs_is_republished":0,"attrs_nr_words":"1388","attrs_boilerpipe_nr_words":"489","body_ext_links_number":0,"body_int_links_number":136,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1533,"download_ttfb_msec":1321,"download_size":34851}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	10.4 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.csdn.net/u010660276/article/details/50570289
Last Crawled	2025-07-27 15:19:32 (10 months ago)
First Indexed	2018-09-27 23:49:12 (7 years ago)
HTTP Status Code	200
Content
Meta Title	python多进程_python process terminate 和 kill的如何区分使用-CSDN博客
Meta Description	文章浏览阅读916次。Unix/Linux操作系统提供了一个fork()系统调用，它非常特殊。普通的函数调用，调用一次，返回一次，但是fork()调用一次，返回两次，因为操作系统自动把当前进程（称为父进程）复制了一份（称为子进程），然后，分别在父进程和子进程内返回。子进程永远返回0，而父进程返回子进程的ID。这样做的理由是，一个父进程可以fork出很多子进程，所以，父进程要记下每个子进程的ID，而子进程只需要调用getp_python process terminate 和 kill的如何区分使用
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	zh-cn
Author	null
Publish Time	not set
Original Publish Time	2018-09-27 23:49:12 (7 years ago)
Republished	No
Word Count (Total)	1,388
Word Count (Content)	489
Links
External Links	0
Internal Links	136
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,533
TTFB (ms)	1,321
Download Size (bytes)	34,851
Location
Host ID	8 (laksa008)
Partition ID	11
Root Hash	14895566225899102208
Unparsed URL	net,csdn!blog,/u010660276/article/details/50570289 s443

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