Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 126 (from laksa001)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa126.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, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.mathway.com/zh/popular-problems/Calculus/1055688\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.mathway.com/zh/popular-problems/Calculus/1055688\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.mathway.com\/zh\/popular-problems\/Calculus\/1055688","crawl_time":1758004565,"first_indexed_time":1645070108,"http_code":200,"src_unparsed":"com,mathway!www,\/zh\/popular-problems\/Calculus\/1055688 s443","src_root_hash":"5341967438836450526","history_drop_reason":null,"meta_title":"求解不定积分 x 的对数 | Mathway","meta_descriptions":["免费的数学问题解答者采用逐步解题讲解方式回答您的代数、几何、三角集合学、微积分以及统计学家庭作业问题，就像一位数学辅导老师那样为您提供帮助。"],"attrs_boilerpipe_text":"请确保您的密码至少为 8 个字符并包含以下每种字符:","attrs_markdown":"输入问题...\n\n# 微积分学 示例\n[热门问题](https:\/\/www.mathway.com\/zh\/popular-problems)\n\n[微积分学](https:\/\/www.mathway.com\/zh\/popular-problems\/Calculus)\n\n求解不定积分 x 的对数\n\n解题步骤 1\n\n将 书写为一个函数。\n\n解题步骤 2\n\n通过计算导数 的不定积分求函数 。\n\n解题步骤 3\n\n建立要求解的定积分。\n\n解题步骤 4\n\n利用公式 来分部求积分，其中 ，。\n\n解题步骤 5\n\n化简。\n\n点击获取更多步骤...\n\n解题步骤 5.1\n\n组合 和 。\n\n解题步骤 5.2\n\n约去 的公因数。\n\n点击获取更多步骤...\n\n解题步骤 5.2.1\n\n约去公因数。\n\n解题步骤 5.2.2\n\n重写表达式。\n\n解题步骤 6\n\n应用常数不变法则。\n\n解题步骤 7\n\n将 重写为 。\n\n解题步骤 8\n\n答案是函数 的不定积分。\n\n请确保您的密码至少为 8 个字符并包含以下每种字符:\n\n- 数字\n- 字母\n- 特殊字符：@\\$\\#!%\\*?&","attrs_readable_markdown":null,"meta_canonical":null}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	6.8 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://www.mathway.com/zh/popular-problems/Calculus/1055688
Last Crawled	2025-09-16 06:36:05 (6 months ago)
First Indexed	2022-02-17 03:55:08 (4 years ago)
HTTP Status Code	200
Meta Title	求解不定积分 x 的对数 \| Mathway
Meta Description	免费的数学问题解答者采用逐步解题讲解方式回答您的代数、几何、三角集合学、微积分以及统计学家庭作业问题，就像一位数学辅导老师那样为您提供帮助。
Meta Canonical	null
Boilerpipe Text	请确保您的密码至少为 8 个字符并包含以下每种字符:
Markdown	输入问题... # 微积分学示例 [热门问题](https://www.mathway.com/zh/popular-problems) [微积分学](https://www.mathway.com/zh/popular-problems/Calculus) 求解不定积分 x 的对数解题步骤 1 将书写为一个函数。解题步骤 2 通过计算导数的不定积分求函数。解题步骤 3 建立要求解的定积分。解题步骤 4 利用公式来分部求积分，其中，。解题步骤 5 化简。点击获取更多步骤... 解题步骤 5.1 组合和。解题步骤 5.2 约去的公因数。点击获取更多步骤... 解题步骤 5.2.1 约去公因数。解题步骤 5.2.2 重写表达式。解题步骤 6 应用常数不变法则。解题步骤 7 将重写为。解题步骤 8 答案是函数的不定积分。请确保您的密码至少为 8 个字符并包含以下每种字符: - 数字 - 字母 - 特殊字符：@\$\#!%\*?&
Readable Markdown	null
Shard	126 (laksa)
Root Hash	5341967438836450526
Unparsed URL	com,mathway!www,/zh/popular-problems/Calculus/1055688 s443

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1. Shard Calculation

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2. Crawled Status Check

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4. Spam/Ban Check

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5. Seen Status Check

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