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-rw-r--r--pig/README.md23
1 files changed, 15 insertions, 8 deletions
diff --git a/pig/README.md b/pig/README.md
index d13c065..bc892fa 100644
--- a/pig/README.md
+++ b/pig/README.md
@@ -1,4 +1,4 @@
-# Notes
+# Pig Notes
In April 2021, we run pig 0.12 and hadoop 2.6.0-cdh5.14.4.
@@ -23,13 +23,13 @@ $ time gohdfs put fatcat-refs-urllist-2021-05-06.tsv /user/martin # 36s
A test run with a single file.
```
-$ pig -p INPUT_CDX=/user/wmdata2/cdx-all-index/20210422171221/part-a-00031.gz -p INPUT_URLS=/user/martin/fatcat-refs-urllist-2021-05-06.tsv -p OUTPUT=/user/martin/fatcat-refs-lookup-0
+$ pig \
+ -p INPUT_CDX=/user/wmdata2/cdx-all-index/20210422171221/part-a-00031.gz \
+ -p INPUT_URLS=/user/martin/fatcat-refs-urllist-2021-05-06.tsv \
+ -p OUTPUT=/user/martin/fatcat-refs-lookup-0 \
+ filter-cdx-join-urls.pig
```
-* http://ia802401.us.archive.org:6988/
-* http://ia802401.us.archive.org:6988/cluster/app/application_1611217683160_298042
-* http://ia802401.us.archive.org:6988/proxy/application_1611217683160_298042/
-
Running against 1/300 block of global CDX took about 15h.
```
@@ -58,11 +58,18 @@ $ jq -rc .status refs_links_liveweb.json | sort | uniq -c | sort -nr 2> /dev/nul
Running against a full index.
```
-$ time pig -p INPUT_CDX=/user/wmdata2/cdx-all-index/20210321055100/part-a-*.gz -p INPUT_URLS=/user/martin/fatcat-refs-urllist-2021-05-06.tsv -p OUTPUT=/user/martin/fatcat-refs-lookup-1 filter-cdx-join-urls.pig
+$ time pig \
+ -p INPUT_CDX=/user/wmdata2/cdx-all-index/20210321055100/part-a-*.gz \
+ -p INPUT_URLS=/user/martin/fatcat-refs-urllist-2021-05-06.tsv \
+ -p OUTPUT=/user/martin/fatcat-refs-lookup-1 \
+ filter-cdx-join-urls.pig
```
-* http://ia802401.us.archive.org:6988/proxy/application_1611217683160_300026/
+* application id was: `application_1611217683160_300026`
+The full lookup led to "map spill", since we needed to extract surts from the
+full CDX index. Not taking advantage of zipnum and other possible improvements.
+Killed the jobs; required hdfs cleanup.
----