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comparison workers/bin/ptimedWhich.sh @ 46:7a4e49689935

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finally got logging sorted
author Henry S. Thompson <ht@markup.co.uk>
date Mon, 03 Dec 2018 21:10:02 +0000
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children 2a0dab424418
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45:21152d241e1a 46:7a4e49689935
1 #!/bin/bash
2 # Test script to split CC WAT files across threads
3 # to tabulate http vs. https by last-modified date:
4 # Usage: [echo file file_id] | timedWhich.sh id home [-t] numWorkerProcesses
5 # If -t, no random wait, just id seconds
6 # remove >>errs once tested
7 #set -e -o pipefail
8 echo $$ > test1.pid
9 proc=$1
10 res=/var/data/res$proc
11 home=$2
12 shift 2
13 function lrand {
14 # cheap bad little random number generator
15 echo $(( 1 + ($(openssl rand 1 | od -d | head -1 | tr -s ' ' | cut -f 2 -d ' ') % $1)))
16 }
17 if [ "$1" = "-t" ]
18 then
19 shift
20 pause=$proc
21 else
22 pause=$(lrand 60)
23 fi
24 wp=$1
25 touch .running
26 function tryread {
27 n=$1
28 while read u o
29 do
30 m=0
31 set -o pipefail
32 until if [ $((m+=1)) -gt 5 ]; then echo " tried 5 times w/o success, giving up" 1>&2; return 1; fi && echo -n \# $(date) "reading $u ..." 1>&2 && \
33 curl -s -S --max-time 60 --insecure -o - "$u" | \
34 { echo "done at " $(date) 1>&2 ; zcat ; } |\
35 _timedWhich.py > "$o"
36 do
37 # try to avoid lockstep retries
38 echo \# ${PIPESTATUS[@]} 1>&2
39 sleep $(lrand 10)
40 echo \# $(date) retry number $m 1>&2
41 done
42 set +o pipefail
43 done
44 }
45 trap "{
46 set -e -o pipefail
47 cd /var/data
48 tar -czhf - CC* res* | \
49 ssh -o StrictHostKeyChecking=no -q $home \"{ cd data
50 mkdir -p which
51 cd which
52 tar -xzf - ; } 2>>errs\"
53 rm -rf res* CC*
54 cd
55 rm ifile.txt *.pid
56 ( sleep 5 ; rm nohup.cc ) &
57 }" EXIT
58 mkdir -p $res
59 log=$res/log
60 # Don't all start at once
61 sleep $pause
62 echo \# $(date) > $log
63 pRes=0
64 N=$(wc -l< ifile.txt)
65 export -f tryread lrand
66 while read s
67 do
68 url="https://commoncrawl.s3.amazonaws.com/$s"
69 cci=$(echo $s | tr '/-' ' ' | awk '{print $3,$4,$8,$13}' |tr ' ' \-)
70 echo $url /var/data/$cci
71 done < ifile.txt 2>> $res/errs | \
72 parallel --pipe -N$((N / wp)) -j $wp "bash -c \"tryread 2>>$res/errs{#}\"" 2>>$res/errs || pRes=$?
73 echo \# $(date) main loop exit code=$pRes >> $log
74 rm .running
75
76