Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 8 (from laksa113)

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/cndrip/article/details/130456562\')), getAhrefsUnparsedNoserviceFromURL(\'https://blog.csdn.net/cndrip/article/details/130456562\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/blog.csdn.net\/cndrip\/article\/details\/130456562","crawl_time":1754586039,"first_indexed_time":0,"http_code":200,"src_unparsed":"net,csdn!blog,\/cndrip\/article\/details\/130456562 s443","src_root_hash":"14895566225899102208","history_drop_reason":null,"meta_title":"【量化交易笔记】5.SMA，EMA 和WMA区别_ema sma-CSDN博客","meta_descriptions":["文章浏览阅读7k次，点赞3次，收藏12次。文章介绍了股票分析中的三种重要技术指标——简单移动平均线(SMA)、指数移动平均线(EMA)和加权移动平均线(WMA)。SMA是所有价格的简单平均，易受短期波动影响；EMA给予最近价格更高权重，更能反映市场趋势；WMA则采用线性递减权重。这三种平均值算法各有特点，适用于不同的市场分析需求。"],"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":1754586039,"attrs_is_republished":0,"attrs_nr_words":"1294","attrs_boilerpipe_nr_words":"543","body_ext_links_number":2,"body_int_links_number":90,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1091,"download_ttfb_msec":900,"download_size":33241}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	10 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/cndrip/article/details/130456562
Last Crawled	2025-08-07 17:00:39 (10 months ago)
First Indexed	not set
HTTP Status Code	200
Content
Meta Title	【量化交易笔记】5.SMA，EMA 和WMA区别_ema sma-CSDN博客
Meta Description	文章浏览阅读7k次，点赞3次，收藏12次。文章介绍了股票分析中的三种重要技术指标——简单移动平均线(SMA)、指数移动平均线(EMA)和加权移动平均线(WMA)。SMA是所有价格的简单平均，易受短期波动影响；EMA给予最近价格更高权重，更能反映市场趋势；WMA则采用线性递减权重。这三种平均值算法各有特点，适用于不同的市场分析需求。
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	2025-08-07 17:00:39 (10 months ago)
Republished	No
Word Count (Total)	1,294
Word Count (Content)	543
Links
External Links	2
Internal Links	90
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,091
TTFB (ms)	900
Download Size (bytes)	33,241
Location
Host ID	8 (laksa008)
Partition ID	11
Root Hash	14895566225899102208
Unparsed URL	net,csdn!blog,/cndrip/article/details/130456562 s443

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1. Shard Calculation

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5. Seen Status Check

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