2017-12-01 11:55:00 +01:00
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Uptime Robot noticed that CGSpace went down
The logs say “ Timeout waiting for idle object”
PostgreSQL activity says there are 115 connections currently
The list of connections to XMLUI and REST API for today:
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2017-12-18 09:28:24 +01:00
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2017-12-01 11:55:00 +01:00
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Uptime Robot noticed that CGSpace went down
The logs say “ Timeout waiting for idle object”
PostgreSQL activity says there are 115 connections currently
The list of connections to XMLUI and REST API for today:
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< h1 class = "blog-title" > < a href = "https://alanorth.github.io/cgspace-notes/" rel = "home" > CGSpace Notes< / a > < / h1 >
< p class = "lead blog-description" > Documenting day-to-day work on the < a href = "https://cgspace.cgiar.org" > CGSpace< / a > repository.< / p >
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< h2 class = "blog-post-title" > < a href = "https://alanorth.github.io/cgspace-notes/2017-12/" > December, 2017< / a > < / h2 >
< p class = "blog-post-meta" > < time datetime = "2017-12-01T13:53:54+03:00" > Fri Dec 01, 2017< / time > by Alan Orth in
< i class = "fa fa-tag" aria-hidden = "true" > < / i > < a href = "/cgspace-notes/tags/notes" rel = "tag" > Notes< / a >
< / p >
< / header >
< h2 id = "2017-12-01" > 2017-12-01< / h2 >
< ul >
< li > Uptime Robot noticed that CGSpace went down< / li >
< li > The logs say “ Timeout waiting for idle object” < / li >
< li > PostgreSQL activity says there are 115 connections currently< / li >
< li > The list of connections to XMLUI and REST API for today:< / li >
< / ul >
< p > < / p >
< pre > < code > # cat /var/log/nginx/rest.log /var/log/nginx/rest.log.1 /var/log/nginx/access.log /var/log/nginx/access.log.1 /var/log/nginx/library-access.log /var/log/nginx/library-access.log.1 | grep -E " 1/Dec/2017" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
763 2.86.122.76
907 207.46.13.94
1018 157.55.39.206
1021 157.55.39.235
1407 66.249.66.70
1411 104.196.152.243
1503 50.116.102.77
1805 66.249.66.90
4007 70.32.83.92
6061 45.5.184.196
< / code > < / pre >
< ul >
< li > The number of DSpace sessions isn’ t even that high:< / li >
< / ul >
< pre > < code > $ cat /home/cgspace.cgiar.org/log/dspace.log.2017-12-01 | grep -o -E 'session_id=[A-Z0-9]{32}' | sort -n | uniq | wc -l
5815
< / code > < / pre >
< ul >
< li > Connections in the last two hours:< / li >
< / ul >
< pre > < code > # cat /var/log/nginx/rest.log /var/log/nginx/rest.log.1 /var/log/nginx/access.log /var/log/nginx/access.log.1 /var/log/nginx/library-access.log /var/log/nginx/library-access.log.1 | grep -E " 1/Dec/2017:(09|10)" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
78 93.160.60.22
101 40.77.167.122
113 66.249.66.70
129 157.55.39.206
130 157.55.39.235
135 40.77.167.58
164 68.180.229.254
177 87.100.118.220
188 66.249.66.90
314 2.86.122.76
< / code > < / pre >
< ul >
< li > What the fuck is going on?< / li >
< li > I’ ve never seen this 2.86.122.76 before, it has made quite a few unique Tomcat sessions today:< / li >
< / ul >
< pre > < code > $ grep 2.86.122.76 /home/cgspace.cgiar.org/log/dspace.log.2017-12-01 | grep -o -E 'session_id=[A-Z0-9]{32}' | sort -n | uniq | wc -l
822
< / code > < / pre >
< ul >
< li > Appears to be some new bot:< / li >
< / ul >
< pre > < code > 2.86.122.76 - - [01/Dec/2017:09:02:53 +0000] " GET /handle/10568/78444?show=full HTTP/1.1" 200 29307 " -" " Mozilla/3.0 (compatible; Indy Library)"
< / code > < / pre >
< ul >
< li > I restarted Tomcat and everything came back up< / li >
< li > I can add Indy Library to the Tomcat crawler session manager valve but it would be nice if I could simply remap the useragent in nginx< / li >
< li > I will also add ‘ Drupal’ to the Tomcat crawler session manager valve because there are Drupals out there harvesting and they should be considered as bots< / li >
< / ul >
< pre > < code > # cat /var/log/nginx/rest.log /var/log/nginx/rest.log.1 /var/log/nginx/access.log /var/log/nginx/access.log.1 /var/log/nginx/library-access.log /var/log/nginx/library-access.log.1 | grep -E " 1/Dec/2017" | grep Drupal | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
3 54.75.205.145
6 70.32.83.92
14 2a01:7e00::f03c:91ff:fe18:7396
46 2001:4b99:1:1:216:3eff:fe2c:dc6c
319 2001:4b99:1:1:216:3eff:fe76:205b
< / code > < / pre >
2017-12-03 11:03:13 +01:00
< h2 id = "2017-12-03" > 2017-12-03< / h2 >
< ul >
< li > Linode alerted that CGSpace’ s load was 327.5% from 6 to 8 AM again< / li >
< / ul >
2017-12-04 10:21:49 +01:00
< h2 id = "2017-12-04" > 2017-12-04< / h2 >
< ul >
< li > Linode alerted that CGSpace’ s load was 255.5% from 8 to 10 AM again< / li >
2017-12-04 16:14:45 +01:00
< li > I looked at the Munin stats on DSpace Test (linode02) again to see how the PostgreSQL tweaks from a few weeks ago were holding up:< / li >
2017-12-04 13:37:58 +01:00
< / ul >
2017-12-04 16:14:45 +01:00
< p > < img src = "/cgspace-notes/2017/12/postgres-connections-month.png" alt = "DSpace Test PostgreSQL connections month" / > < / p >
2017-12-04 13:37:58 +01:00
< ul >
2017-12-04 13:39:52 +01:00
< li > The results look fantastic! So the < code > random_page_cost< / code > tweak is massively important for informing the PostgreSQL scheduler that there is no “ cost” to accessing random pages, as we’ re on an SSD!< / li >
< li > I guess we could probably even reduce the PostgreSQL connections in DSpace / PostgreSQL after using this< / li >
2017-12-04 16:14:45 +01:00
< li > Run system updates on DSpace Test (linode02) and reboot it< / li >
< li > I’ m going to enable the PostgreSQL < code > random_page_cost< / code > tweak on CGSpace< / li >
< li > For reference, here is the past month’ s connections:< / li >
2017-12-04 10:21:49 +01:00
< / ul >
2017-12-04 16:14:45 +01:00
< p > < img src = "/cgspace-notes/2017/12/postgres-connections-month-cgspace.png" alt = "CGSpace PostgreSQL connections month" / > < / p >
2017-12-05 15:57:02 +01:00
< h2 id = "2017-12-05" > 2017-12-05< / h2 >
< ul >
< li > Linode alerted again that the CPU usage on CGSpace was high this morning from 8 to 10 AM< / li >
< li > CORE updated the entry for CGSpace on their index: < a href = "https://core.ac.uk/search?q=repositories.id:(1016)&fullTextOnly=false" > https://core.ac.uk/search?q=repositories.id:(1016)& fullTextOnly=false< / a > < / li >
2017-12-06 07:51:05 +01:00
< li > Linode alerted again that the CPU usage on CGSpace was high this evening from 8 to 10 PM< / li >
< / ul >
< h2 id = "2017-12-06" > 2017-12-06< / h2 >
< ul >
< li > Linode alerted again that the CPU usage on CGSpace was high this morning from 6 to 8 AM< / li >
2017-12-07 15:20:45 +01:00
< li > Uptime Robot alerted that the server went down and up around 8:53 this morning< / li >
< li > Uptime Robot alerted that CGSpace was down and up again a few minutes later< / li >
< li > I don’ t see any errors in the DSpace logs but I see in nginx’ s access.log that UptimeRobot was returned with HTTP 499 status (Client Closed Request)< / li >
< li > Looking at the REST API logs I see some new client IP I haven’ t noticed before:< / li >
< / ul >
< pre > < code > # cat /var/log/nginx/rest.log /var/log/nginx/rest.log.1 | grep -E " 6/Dec/2017" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
18 95.108.181.88
19 68.180.229.254
30 207.46.13.151
33 207.46.13.110
38 40.77.167.20
41 157.55.39.223
82 104.196.152.243
1529 50.116.102.77
4005 70.32.83.92
6045 45.5.184.196
< / code > < / pre >
< ul >
< li > 50.116.102.77 is apparently in the US on websitewelcome.com< / li >
< / ul >
< h2 id = "2017-12-07" > 2017-12-07< / h2 >
< ul >
< li > Uptime Robot reported a few times today that CGSpace was down and then up< / li >
< li > At one point Tsega restarted Tomcat< / li >
< li > I never got any alerts about high load from Linode though… < / li >
< li > I looked just now and see that there are 121 PostgreSQL connections!< / li >
< li > The top users right now are:< / li >
< / ul >
< pre > < code > # cat /var/log/nginx/access.log /var/log/nginx/access.log.1 /var/log/nginx/library-access.log /var/log/nginx/library-access.log.1 | grep -E " 7/Dec/2017" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
838 40.77.167.11
939 66.249.66.223
1149 66.249.66.206
1316 207.46.13.110
1322 207.46.13.151
1323 2001:da8:203:2224:c912:1106:d94f:9189
1414 157.55.39.223
2378 104.196.152.243
2662 66.249.66.219
5110 124.17.34.60
< / code > < / pre >
< ul >
< li > We’ ve never seen 124.17.34.60 yet, but it’ s really hammering us!< / li >
< li > Apparently it is from China, and here is one of its user agents:< / li >
< / ul >
< pre > < code > Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.2; Win64; x64; Trident/7.0; LCTE)
< / code > < / pre >
< ul >
< li > It is responsible for 4,500 Tomcat sessions today alone:< / li >
< / ul >
< pre > < code > $ grep 124.17.34.60 /home/cgspace.cgiar.org/log/dspace.log.2017-12-07 | grep -o -E 'session_id=[A-Z0-9]{32}' | sort -n | uniq | wc -l
4574
< / code > < / pre >
< ul >
< li > I’ ve adjusted the nginx IP mapping that I set up last month to account for 124.17.34.60 and 124.17.34.59 using a regex, as it’ s the same bot on the same subnet< / li >
2017-12-07 19:43:49 +01:00
< li > I was running the DSpace cleanup task manually and it hit an error:< / li >
2017-12-05 15:57:02 +01:00
< / ul >
2017-12-07 19:43:49 +01:00
< pre > < code > $ /home/cgspace.cgiar.org/bin/dspace cleanup -v
...
Error: ERROR: update or delete on table " bitstream" violates foreign key constraint " bundle_primary_bitstream_id_fkey" on table " bundle"
Detail: Key (bitstream_id)=(144666) is still referenced from table " bundle" .
< / code > < / pre >
< ul >
< li > The solution is like I discovered in < a href = "/cgspace-notes/2017-04" > 2017-04< / a > , to set the < code > primary_bitstream_id< / code > to null:< / li >
< / ul >
< pre > < code > dspace=# update bundle set primary_bitstream_id=NULL where primary_bitstream_id in (144666);
UPDATE 1
< / code > < / pre >
2017-12-13 14:53:35 +01:00
< h2 id = "2017-12-13" > 2017-12-13< / h2 >
< ul >
< li > Linode alerted that CGSpace was using high CPU from 10:13 to 12:13 this morning< / li >
< / ul >
2017-12-16 23:48:43 +01:00
< h2 id = "2017-12-16" > 2017-12-16< / h2 >
< ul >
< li > Re-work the XMLUI base theme to allow child themes to override the header logo’ s image and link destination: < a href = "https://github.com/ilri/DSpace/pull/349" > #349< / a > < / li >
< li > This required a little bit of work to restructure the XSL templates< / li >
< li > Optimize PNG and SVG image assets in the CGIAR base theme using pngquant and svgo: < a href = "https://github.com/ilri/DSpace/pull/350" > #350< / a > < / li >
< / ul >
2017-12-17 08:55:04 +01:00
< h2 id = "2017-12-17" > 2017-12-17< / h2 >
< ul >
< li > Reboot DSpace Test to get new Linode Linux kernel< / li >
2017-12-17 09:56:56 +01:00
< li > Looking at CCAFS bulk import for Magdalena Haman (she originally sent them in November but some of the thumbnails were missing and dates were messed up so she resent them now)< / li >
< li > A few issues with the data and thumbnails:
< ul >
< li > Her thumbnail files all use capital JPG so I had to rename them to lowercase: < code > rename -fc *.JPG< / code > < / li >
< li > thumbnail20.jpg is 1.7MB so I have to resize it< / li >
< li > I also had to add the .jpg to the thumbnail string in the CSV< / li >
< li > The thumbnail11.jpg is missing< / li >
< li > The dates are in super long ISO8601 format (from Excel?) like < code > 2016-02-07T00:00:00Z< / code > so I converted them to simpler forms in GREL: < code > value.toString(" yyyy-MM-dd" )< / code > < / li >
< li > I trimmed the whitespaces in a few fields but it wasn’ t many< / li >
< li > Rename her thumbnail column to filename, and format it so SAFBuilder adds the files to the thumbnail bundle with this GREL in OpenRefine: < code > value + " __bundle:THUMBNAIL" < / code > < / li >
2017-12-17 10:22:21 +01:00
< li > Rename dc.identifier.status and dc.identifier.url columns to cg.identifier.status and cg.identifier.url< / li >
< li > Item 4 has weird characters in citation, ie: Nagoya et de Trait < / li >
< li > Some author names need normalization, ie: < code > Aggarwal, Pramod< / code > and < code > Aggarwal, Pramod K.< / code > < / li >
< li > Something weird going on with duplicate authors that have the same text value, like < code > Berto, Jayson C.< / code > and < code > Balmeo, Katherine P.< / code > < / li >
2017-12-17 09:56:56 +01:00
< li > I will send her feedback on some author names like UNEP and ICRISAT and ask her for the missing thumbnail11.jpg< / li >
< / ul > < / li >
2017-12-17 10:22:21 +01:00
< li > I did a test import of the data locally after building with SAFBuilder but for some reason I had to specify the collection (even though the collections were specified in the < code > collection< / code > field)< / li >
2017-12-17 08:55:04 +01:00
< / ul >
2017-12-17 10:22:21 +01:00
< pre > < code > $ JAVA_OPTS=" -Xmx512m -Dfile.encoding=UTF-8" ~/dspace/bin/dspace import --add --eperson=aorth@mjanja.ch --collection=10568/89338 --source /Users/aorth/Downloads/2016\ bulk\ upload\ thumbnails/SimpleArchiveFormat --mapfile=/tmp/ccafs.map & > /tmp/ccafs.log
< / code > < / pre >
2017-12-17 16:18:06 +01:00
< ul >
< li > It’ s the same on DSpace Test, I can’ t import the SAF bundle without specifying the collection:< / li >
< / ul >
< pre > < code > $ dspace import --add --eperson=aorth@mjanja.ch --mapfile=/tmp/ccafs.map --source=/tmp/ccafs-2016/SimpleArchiveFormat
No collections given. Assuming 'collections' file inside item directory
Adding items from directory: /tmp/ccafs-2016/SimpleArchiveFormat
Generating mapfile: /tmp/ccafs.map
Processing collections file: collections
Adding item from directory item_1
java.lang.NullPointerException
at org.dspace.app.itemimport.ItemImport.addItem(ItemImport.java:865)
at org.dspace.app.itemimport.ItemImport.addItems(ItemImport.java:736)
at org.dspace.app.itemimport.ItemImport.main(ItemImport.java:498)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:226)
at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:78)
java.lang.NullPointerException
Started: 1513521856014
Ended: 1513521858573
Elapsed time: 2 secs (2559 msecs)
< / code > < / pre >
< ul >
2017-12-18 09:28:24 +01:00
< li > I even tried to debug it by adding verbose logging to the < code > JAVA_OPTS< / code > :< / li >
< / ul >
< pre > < code > -Dlog4j.configuration=file:/Users/aorth/dspace/config/log4j-console.properties -Ddspace.log.init.disable=true
< / code > < / pre >
< ul >
< li > … but the error message was the same, just with more INFO noise around it< / li >
2017-12-17 16:18:06 +01:00
< li > For now I’ ll import into a collection in DSpace Test but I’ m really not sure what’ s up with this!< / li >
2017-12-18 09:28:24 +01:00
< li > Linode alerted that CGSpace was using high CPU from 4 to 6 PM< / li >
< li > The logs for today show the CORE bot (137.108.70.7) being active in XMLUI:< / li >
2017-12-17 16:18:06 +01:00
< / ul >
2017-12-18 09:28:24 +01:00
< pre > < code > # cat /var/log/nginx/access.log /var/log/nginx/access.log.1 /var/log/nginx/library-access.log /var/log/nginx/library-access.log.1 | grep -E " 17/Dec/2017" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
671 66.249.66.70
885 95.108.181.88
904 157.55.39.96
923 157.55.39.179
1159 207.46.13.107
1184 104.196.152.243
1230 66.249.66.91
1414 68.180.229.254
4137 66.249.66.90
46401 137.108.70.7
< / code > < / pre >
< ul >
< li > And then some CIAT bot (45.5.184.196) is actively hitting API endpoints:< / li >
< / ul >
< pre > < code > # cat /var/log/nginx/rest.log /var/log/nginx/rest.log.1 /var/log/nginx/oai.log /var/log/nginx/oai.log.1 | grep -E " 17/Dec/2017" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
33 68.180.229.254
48 157.55.39.96
51 157.55.39.179
56 207.46.13.107
102 104.196.152.243
102 66.249.66.90
691 137.108.70.7
1531 50.116.102.77
4014 70.32.83.92
11030 45.5.184.196
< / code > < / pre >
< ul >
< li > That’ s probably ok, as I don’ t think the REST API connections use up a Tomcat session… < / li >
< li > CIP emailed a few days ago to ask about unique IDs for authors and organizations, and if we can provide them via an API< / li >
< li > Regarding the import issue above it seems to be a known issue that has a patch in DSpace 5.7:
< ul >
< li > < a href = "https://jira.duraspace.org/browse/DS-2633" > https://jira.duraspace.org/browse/DS-2633< / a > < / li >
< li > < a href = "https://jira.duraspace.org/browse/DS-3583" > https://jira.duraspace.org/browse/DS-3583< / a > < / li >
< / ul > < / li >
< li > We’ re on DSpace 5.5 but there is a one-word fix to the addItem() function here: < a href = "https://github.com/DSpace/DSpace/pull/1731" > https://github.com/DSpace/DSpace/pull/1731< / a > < / li >
< li > I will apply it on our branch but I need to make a note to NOT cherry-pick it when I rebase on to the latest 5.x upstream later< / li >
< li > Pull request: < a href = "https://github.com/ilri/DSpace/pull/351" > #351< / a > < / li >
< / ul >
< h2 id = "2017-12-18" > 2017-12-18< / h2 >
< ul >
< li > Linode alerted this morning that there was high outbound traffic from 6 to 8 AM< / li >
< li > The XMLUI logs show that the CORE bot from last night (137.108.70.7) is very active still:< / li >
< / ul >
< pre > < code > # cat /var/log/nginx/access.log /var/log/nginx/access.log.1 /var/log/nginx/library-access.log /var/log/nginx/library-access.log.1 | grep -E " 18/Dec/2017" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
190 207.46.13.146
191 197.210.168.174
202 86.101.203.216
268 157.55.39.134
297 66.249.66.91
314 213.55.99.121
402 66.249.66.90
532 68.180.229.254
644 104.196.152.243
32220 137.108.70.7
< / code > < / pre >
< ul >
< li > On the API side (REST and OAI) there is still the same CIAT bot (45.5.184.196) from last night making quite a number of requests this morning:< / li >
< / ul >
< pre > < code > # cat /var/log/nginx/rest.log /var/log/nginx/rest.log.1 /var/log/nginx/oai.log /var/log/nginx/oai.log.1 | grep -E " 18/Dec/2017" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
7 104.198.9.108
8 185.29.8.111
8 40.77.167.176
9 66.249.66.91
9 68.180.229.254
10 157.55.39.134
15 66.249.66.90
59 104.196.152.243
4014 70.32.83.92
8619 45.5.184.196
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2017-12-01 11:55:00 +01:00
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< aside class = "col-sm-3 ml-auto blog-sidebar" >
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< h4 > Recent Posts< / h4 >
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< li > < a href = "/cgspace-notes/2017-12/" > December, 2017< / a > < / li >
< li > < a href = "/cgspace-notes/2017-11/" > November, 2017< / a > < / li >
< li > < a href = "/cgspace-notes/2017-10/" > October, 2017< / a > < / li >
< li > < a href = "/cgspace-notes/cgiar-library-migration/" > CGIAR Library Migration< / a > < / li >
< li > < a href = "/cgspace-notes/2017-09/" > September, 2017< / a > < / li >
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< h4 > Links< / h4 >
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< li > < a href = "https://cgspace.cgiar.org" > CGSpace< / a > < / li >
< li > < a href = "https://dspacetest.cgiar.org" > DSpace Test< / a > < / li >
< li > < a href = "https://github.com/ilri/DSpace" > CGSpace @ GitHub< / a > < / li >
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