Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 125 (from laksa067)

2. Crawled Status Check

Query:

Response:

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

Query:

curl -X POST \
  'http://laksa125.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d '(SELECT getAhrefsURLFromUnparsed(dst_unparsed) AS found_url, dst_unparsed AS unparsed, dst_root_hash AS root_hash FROM crawler3.urls_local FINAL PREWHERE (dst_root_hash, dst_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://cse.buffalo.edu/~hungngo//classes/2007/694/notes/dtmc.pdf\')), getAhrefsUnparsedNoserviceFromURL(\'https://cse.buffalo.edu/~hungngo//classes/2007/694/notes/dtmc.pdf\')))) UNION ALL (SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, src_unparsed AS unparsed, src_root_hash AS root_hash FROM web_queue.crawl5_local FINAL PREWHERE crawl_yyyymm >= toYYYYMM(today() - INTERVAL 2 MONTHS) AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://cse.buffalo.edu/~hungngo//classes/2007/694/notes/dtmc.pdf\')), getAhrefsUnparsedNoserviceFromURL(\'https://cse.buffalo.edu/~hungngo//classes/2007/694/notes/dtmc.pdf\')))) FORMAT JSONEachRow'

Response:

Filter	Status	Condition	Details
HTTP status	N/A	`download_http_code = 200`	Not crawled
Age cutoff	N/A	`download_stamp > now() - 6 MONTH`	Not crawled
History drop	N/A	`isNull(history_drop_reason)`	Not crawled
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0

🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

1. Shard Calculation

Query:

Response:

2. Crawled Status Check

Query:

Response:

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

Query:

Response:

Page Info Filters

Page Details

Property	Value
URL	https://cse.buffalo.edu/~hungngo//classes/2007/694/notes/dtmc.pdf
Shard	125 (laksa)