mirror of
https://github.com/alanorth/cgspace-notes.git
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Update notes
This commit is contained in:
parent
f8cf2954c5
commit
d5ec4072eb
@ -463,3 +463,28 @@ cache_alignment : 64
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![Firewall load](/cgspace-notes/2018/01/firewall-perfectip.png)
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![Firewall load](/cgspace-notes/2018/01/firewall-perfectip.png)
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- Linode rebooted DSpace Test and CGSpace for their host hypervisor kernel updates
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- Linode rebooted DSpace Test and CGSpace for their host hypervisor kernel updates
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- Following up with the Solr sharding issue on the dspace-tech mailing list, I noticed this interesting snippet in the Tomcat `localhost_access_log` at the time of my sharding attempt on my test machine:
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```
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/select?q=type%3A2+AND+id%3A1&wt=javabin&version=2 HTTP/1.1" 200 107
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/select?q=*%3A*&rows=0&facet=true&facet.range=time&facet.range.start=NOW%2FYEAR-18YEARS&facet.range.end=NOW%2FYEAR%2B0YEARS&facet.range.gap=%2B1YEAR&facet.mincount=1&wt=javabin&version=2 HTTP/1.1" 200 447
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/admin/cores?action=STATUS&core=statistics-2016&indexInfo=true&wt=javabin&version=2 HTTP/1.1" 200 76
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/admin/cores?action=CREATE&name=statistics-2016&instanceDir=statistics&dataDir=%2FUsers%2Faorth%2Fdspace%2Fsolr%2Fstatistics-2016%2Fdata&wt=javabin&version=2 HTTP/1.1" 200 63
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/select?csv.mv.separator=%7C&q=*%3A*&fq=time%3A%28%5B2016%5C-01%5C-01T00%5C%3A00%5C%3A00Z+TO+2017%5C-01%5C-01T00%5C%3A00%5C%3A00Z%5D+NOT+2017%5C-01%5C-01T00%5C%3A00%5C%3A00Z%29&rows=10000&wt=csv HTTP/1.1" 200 2137630
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/admin/luke?show=schema&wt=javabin&version=2 HTTP/1.1" 200 16253
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "POST /solr//statistics-2016/update/csv?commit=true&softCommit=false&waitSearcher=true&f.previousWorkflowStep.split=true&f.previousWorkflowStep.separator=%7C&f.previousWorkflowStep.encapsulator=%22&f.actingGroupId.split=true&f.actingGroupId.separator=%7C&f.actingGroupId.encapsulator=%22&f.containerCommunity.split=true&f.containerCommunity.separator=%7C&f.containerCommunity.encapsulator=%22&f.range.split=true&f.range.separator=%7C&f.range.encapsulator=%22&f.containerItem.split=true&f.containerItem.separator=%7C&f.containerItem.encapsulator=%22&f.p_communities_map.split=true&f.p_communities_map.separator=%7C&f.p_communities_map.encapsulator=%22&f.ngram_query_search.split=true&f.ngram_query_search.separator=%7C&f.ngram_query_search.encapsulator=%22&f.containerBitstream.split=true&f.containerBitstream.separator=%7C&f.containerBitstream.encapsulator=%22&f.owningItem.split=true&f.owningItem.separator=%7C&f.owningItem.encapsulator=%22&f.actingGroupParentId.split=true&f.actingGroupParentId.separator=%7C&f.actingGroupParentId.encapsulator=%22&f.text.split=true&f.text.separator=%7C&f.text.encapsulator=%22&f.simple_query_search.split=true&f.simple_query_search.separator=%7C&f.simple_query_search.encapsulator=%22&f.owningComm.split=true&f.owningComm.separator=%7C&f.owningComm.encapsulator=%22&f.owner.split=true&f.owner.separator=%7C&f.owner.encapsulator=%22&f.filterquery.split=true&f.filterquery.separator=%7C&f.filterquery.encapsulator=%22&f.p_group_map.split=true&f.p_group_map.separator=%7C&f.p_group_map.encapsulator=%22&f.actorMemberGroupId.split=true&f.actorMemberGroupId.separator=%7C&f.actorMemberGroupId.encapsulator=%22&f.bitstreamId.split=true&f.bitstreamId.separator=%7C&f.bitstreamId.encapsulator=%22&f.group_name.split=true&f.group_name.separator=%7C&f.group_name.encapsulator=%22&f.p_communities_name.split=true&f.p_communities_name.separator=%7C&f.p_communities_name.encapsulator=%22&f.query.split=true&f.query.separator=%7C&f.query.encapsulator=%22&f.workflowStep.split=true&f.workflowStep.separator=%7C&f.workflowStep.encapsulator=%22&f.containerCollection.split=true&f.containerCollection.separator=%7C&f.containerCollection.encapsulator=%22&f.complete_query_search.split=true&f.complete_query_search.separator=%7C&f.complete_query_search.encapsulator=%22&f.p_communities_id.split=true&f.p_communities_id.separator=%7C&f.p_communities_id.encapsulator=%22&f.rangeDescription.split=true&f.rangeDescription.separator=%7C&f.rangeDescription.encapsulator=%22&f.group_id.split=true&f.group_id.separator=%7C&f.group_id.encapsulator=%22&f.bundleName.split=true&f.bundleName.separator=%7C&f.bundleName.encapsulator=%22&f.ngram_simplequery_search.split=true&f.ngram_simplequery_search.separator=%7C&f.ngram_simplequery_search.encapsulator=%22&f.group_map.split=true&f.group_map.separator=%7C&f.group_map.encapsulator=%22&f.owningColl.split=true&f.owningColl.separator=%7C&f.owningColl.encapsulator=%22&f.p_group_id.split=true&f.p_group_id.separator=%7C&f.p_group_id.encapsulator=%22&f.p_group_name.split=true&f.p_group_name.separator=%7C&f.p_group_name.encapsulator=%22&wt=javabin&version=2 HTTP/1.1" 409 156
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```
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- The new core is created but when DSpace attempts to POST to it there is an HTTP 409 error
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- This is apparently a common Solr error code that means "version conflict": http://yonik.com/solr/optimistic-concurrency/
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- Looks like that bot from the PerfectIP.net host ended up making about 450,000 requests to XMLUI alone yesterday:
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```
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# 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 "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.111 Safari/537.36" | grep "10/Jan/2018" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
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21572 70.36.107.50
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30722 70.36.107.190
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34566 70.36.107.49
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101829 2607:fa98:40:9:26b6:fdff:feff:195d
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111535 2607:fa98:40:9:26b6:fdff:feff:1c96
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161797 2607:fa98:40:9:26b6:fdff:feff:1888
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```
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@ -92,7 +92,7 @@ Danny wrote to ask for help renewing the wildcard ilri.org certificate and I adv
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<meta property="article:published_time" content="2018-01-02T08:35:54-08:00"/>
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<meta property="article:published_time" content="2018-01-02T08:35:54-08:00"/>
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<meta property="article:modified_time" content="2018-01-10T13:15:13+02:00"/>
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<meta property="article:modified_time" content="2018-01-11T08:36:59+02:00"/>
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@ -194,9 +194,9 @@ Danny wrote to ask for help renewing the wildcard ilri.org certificate and I adv
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"@type": "BlogPosting",
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"@type": "BlogPosting",
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"headline": "January, 2018",
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"headline": "January, 2018",
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"url": "https://alanorth.github.io/cgspace-notes/2018-01/",
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"url": "https://alanorth.github.io/cgspace-notes/2018-01/",
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"wordCount": "2123",
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"wordCount": "2324",
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"datePublished": "2018-01-02T08:35:54-08:00",
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"datePublished": "2018-01-02T08:35:54-08:00",
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"dateModified": "2018-01-10T13:15:13+02:00",
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"dateModified": "2018-01-11T08:36:59+02:00",
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"author": {
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"author": {
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"@type": "Person",
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"@type": "Person",
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"name": "Alan Orth"
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"name": "Alan Orth"
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@ -762,8 +762,33 @@ cache_alignment : 64
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<ul>
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<ul>
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<li>Linode rebooted DSpace Test and CGSpace for their host hypervisor kernel updates</li>
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<li>Linode rebooted DSpace Test and CGSpace for their host hypervisor kernel updates</li>
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<li>Following up with the Solr sharding issue on the dspace-tech mailing list, I noticed this interesting snippet in the Tomcat <code>localhost_access_log</code> at the time of my sharding attempt on my test machine:</li>
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</ul>
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</ul>
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<pre><code>127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/select?q=type%3A2+AND+id%3A1&wt=javabin&version=2 HTTP/1.1" 200 107
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/select?q=*%3A*&rows=0&facet=true&facet.range=time&facet.range.start=NOW%2FYEAR-18YEARS&facet.range.end=NOW%2FYEAR%2B0YEARS&facet.range.gap=%2B1YEAR&facet.mincount=1&wt=javabin&version=2 HTTP/1.1" 200 447
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/admin/cores?action=STATUS&core=statistics-2016&indexInfo=true&wt=javabin&version=2 HTTP/1.1" 200 76
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/admin/cores?action=CREATE&name=statistics-2016&instanceDir=statistics&dataDir=%2FUsers%2Faorth%2Fdspace%2Fsolr%2Fstatistics-2016%2Fdata&wt=javabin&version=2 HTTP/1.1" 200 63
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/select?csv.mv.separator=%7C&q=*%3A*&fq=time%3A%28%5B2016%5C-01%5C-01T00%5C%3A00%5C%3A00Z+TO+2017%5C-01%5C-01T00%5C%3A00%5C%3A00Z%5D+NOT+2017%5C-01%5C-01T00%5C%3A00%5C%3A00Z%29&rows=10000&wt=csv HTTP/1.1" 200 2137630
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET /solr/statistics/admin/luke?show=schema&wt=javabin&version=2 HTTP/1.1" 200 16253
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127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "POST /solr//statistics-2016/update/csv?commit=true&softCommit=false&waitSearcher=true&f.previousWorkflowStep.split=true&f.previousWorkflowStep.separator=%7C&f.previousWorkflowStep.encapsulator=%22&f.actingGroupId.split=true&f.actingGroupId.separator=%7C&f.actingGroupId.encapsulator=%22&f.containerCommunity.split=true&f.containerCommunity.separator=%7C&f.containerCommunity.encapsulator=%22&f.range.split=true&f.range.separator=%7C&f.range.encapsulator=%22&f.containerItem.split=true&f.containerItem.separator=%7C&f.containerItem.encapsulator=%22&f.p_communities_map.split=true&f.p_communities_map.separator=%7C&f.p_communities_map.encapsulator=%22&f.ngram_query_search.split=true&f.ngram_query_search.separator=%7C&f.ngram_query_search.encapsulator=%22&f.containerBitstream.split=true&f.containerBitstream.separator=%7C&f.containerBitstream.encapsulator=%22&f.owningItem.split=true&f.owningItem.separator=%7C&f.owningItem.encapsulator=%22&f.actingGroupParentId.split=true&f.actingGroupParentId.separator=%7C&f.actingGroupParentId.encapsulator=%22&f.text.split=true&f.text.separator=%7C&f.text.encapsulator=%22&f.simple_query_search.split=true&f.simple_query_search.separator=%7C&f.simple_query_search.encapsulator=%22&f.owningComm.split=true&f.owningComm.separator=%7C&f.owningComm.encapsulator=%22&f.owner.split=true&f.owner.separator=%7C&f.owner.encapsulator=%22&f.filterquery.split=true&f.filterquery.separator=%7C&f.filterquery.encapsulator=%22&f.p_group_map.split=true&f.p_group_map.separator=%7C&f.p_group_map.encapsulator=%22&f.actorMemberGroupId.split=true&f.actorMemberGroupId.separator=%7C&f.actorMemberGroupId.encapsulator=%22&f.bitstreamId.split=true&f.bitstreamId.separator=%7C&f.bitstreamId.encapsulator=%22&f.group_name.split=true&f.group_name.separator=%7C&f.group_name.encapsulator=%22&f.p_communities_name.split=true&f.p_communities_name.separator=%7C&f.p_communities_name.encapsulator=%22&f.query.split=true&f.query.separator=%7C&f.query.encapsulator=%22&f.workflowStep.split=true&f.workflowStep.separator=%7C&f.workflowStep.encapsulator=%22&f.containerCollection.split=true&f.containerCollection.separator=%7C&f.containerCollection.encapsulator=%22&f.complete_query_search.split=true&f.complete_query_search.separator=%7C&f.complete_query_search.encapsulator=%22&f.p_communities_id.split=true&f.p_communities_id.separator=%7C&f.p_communities_id.encapsulator=%22&f.rangeDescription.split=true&f.rangeDescription.separator=%7C&f.rangeDescription.encapsulator=%22&f.group_id.split=true&f.group_id.separator=%7C&f.group_id.encapsulator=%22&f.bundleName.split=true&f.bundleName.separator=%7C&f.bundleName.encapsulator=%22&f.ngram_simplequery_search.split=true&f.ngram_simplequery_search.separator=%7C&f.ngram_simplequery_search.encapsulator=%22&f.group_map.split=true&f.group_map.separator=%7C&f.group_map.encapsulator=%22&f.owningColl.split=true&f.owningColl.separator=%7C&f.owningColl.encapsulator=%22&f.p_group_id.split=true&f.p_group_id.separator=%7C&f.p_group_id.encapsulator=%22&f.p_group_name.split=true&f.p_group_name.separator=%7C&f.p_group_name.encapsulator=%22&wt=javabin&version=2 HTTP/1.1" 409 156
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</code></pre>
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<ul>
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<li>The new core is created but when DSpace attempts to POST to it there is an HTTP 409 error</li>
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<li>This is apparently a common Solr error code that means “version conflict”: <a href="http://yonik.com/solr/optimistic-concurrency/">http://yonik.com/solr/optimistic-concurrency/</a></li>
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<li>Looks like that bot from the PerfectIP.net host ended up making about 450,000 requests to XMLUI alone yesterday:</li>
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</ul>
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<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 "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.111 Safari/537.36" | grep "10/Jan/2018" | awk '{print $1}' | sort -n | uniq -c | sort -h | tail
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21572 70.36.107.50
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30722 70.36.107.190
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34566 70.36.107.49
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101829 2607:fa98:40:9:26b6:fdff:feff:195d
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111535 2607:fa98:40:9:26b6:fdff:feff:1c96
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161797 2607:fa98:40:9:26b6:fdff:feff:1888
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</code></pre>
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@ -31,7 +31,7 @@ Disallow: /cgspace-notes/2015-12/
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Disallow: /cgspace-notes/2015-11/
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Disallow: /cgspace-notes/2015-11/
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Disallow: /cgspace-notes/
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Disallow: /cgspace-notes/
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Disallow: /cgspace-notes/categories/
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Disallow: /cgspace-notes/categories/
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Disallow: /cgspace-notes/tags/notes/
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Disallow: /cgspace-notes/categories/notes/
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Disallow: /cgspace-notes/categories/notes/
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Disallow: /cgspace-notes/tags/notes/
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Disallow: /cgspace-notes/post/
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Disallow: /cgspace-notes/post/
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Disallow: /cgspace-notes/tags/
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Disallow: /cgspace-notes/tags/
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@ -4,7 +4,7 @@
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<url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/2018-01/</loc>
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<loc>https://alanorth.github.io/cgspace-notes/2018-01/</loc>
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<lastmod>2018-01-10T13:15:13+02:00</lastmod>
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<lastmod>2018-01-11T08:36:59+02:00</lastmod>
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</url>
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<url>
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<url>
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<url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/</loc>
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<loc>https://alanorth.github.io/cgspace-notes/</loc>
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<lastmod>2018-01-10T13:15:13+02:00</lastmod>
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<lastmod>2018-01-11T08:36:59+02:00</lastmod>
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<priority>0</priority>
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<priority>0</priority>
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<priority>0</priority>
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</url>
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</url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
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<lastmod>2018-01-10T13:15:13+02:00</lastmod>
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<priority>0</priority>
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</url>
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<url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/categories/notes/</loc>
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<loc>https://alanorth.github.io/cgspace-notes/categories/notes/</loc>
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<lastmod>2017-09-28T12:00:49+03:00</lastmod>
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<lastmod>2017-09-28T12:00:49+03:00</lastmod>
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<priority>0</priority>
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<priority>0</priority>
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</url>
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</url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
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<lastmod>2018-01-11T08:36:59+02:00</lastmod>
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</url>
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<loc>https://alanorth.github.io/cgspace-notes/post/</loc>
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<loc>https://alanorth.github.io/cgspace-notes/post/</loc>
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<lastmod>2018-01-10T13:15:13+02:00</lastmod>
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<lastmod>2018-01-11T08:36:59+02:00</lastmod>
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<priority>0</priority>
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</url>
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</url>
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<url>
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<url>
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<loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
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<loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
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<lastmod>2018-01-10T13:15:13+02:00</lastmod>
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<lastmod>2018-01-11T08:36:59+02:00</lastmod>
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<priority>0</priority>
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<priority>0</priority>
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</url>
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</url>
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