Alex Bleasdale ableasdale
ableasdale
/ insert-test-data.xqy
Created
November 29, 2012 19:40
Inserting content using xdmp:eval for isolated (separate) transctions
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| xquery version "1.0-ml"; | |
| declare namespace prop="http://marklogic.com/xdmp/property"; | |
| declare variable $doc-count as xs:int := 10; | |
| for $item in (1 to $doc-count) | |
| let $eval := "xquery version '1.0-ml'; | |
| declare variable $count as xs:string external; | |
| xdmp:document-insert(fn:concat('/test/', $count, '.xml'), element root{ $count })" | |
| return |
ableasdale
/ list-docs-by-insert-time.xqy
Created
November 29, 2012 19:46
A List of all documents ordered by the time they were inserted into the database
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| xquery version "1.0-ml"; | |
| for $doc in doc() | |
| let $sort-key := xs:dateTime(xdmp:document-properties(fn:base-uri($doc))/prop:properties/prop:last-modified) | |
| order by $sort-key | |
| return | |
| fn:concat("Doc: ", fn:base-uri($doc), " was inserted at: ", $sort-key) |
ableasdale
/ forest-rollback.xqy
Last active
December 14, 2015 08:38
Using xdmp:forest-rollback to avert a crisis
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| xquery version "1.0-ml"; | |
| xdmp:forest-rollback( | |
| xdmp:database-forests(xdmp:database("YourDatabase")), | |
| xdmp:wallclock-to-timestamp( | |
| xs:dateTime("2013-02-28T17:55:07Z"))) |
ableasdale
/ prod-disaster.xqy
Created
February 28, 2013 18:02
Creating a disaster scenario to recover from
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| xquery version "1.0-ml"; | |
| for $d in doc() | |
| return xdmp:document-delete(xdmp:node-uri($d)) |
ableasdale
/ list-groups.xqy
Last active
December 14, 2015 08:39
Lists out all the groups and their associated hosts and application servers
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| xquery version "1.0-ml"; | |
| element groups { | |
| for $grp in xdmp:groups() | |
| return | |
| (element group {attribute id {$grp}, element group-name {xdmp:group-name($grp)}, | |
| for $host in xdmp:group-hosts($grp) | |
| return element host {attribute id {$host}, xdmp:host-name($host)}, | |
| for $server in xdmp:group-servers($grp) | |
| return element server {attribute id {$server},xdmp:server-name($server)} |
ableasdale
/ rebalance-setup-databases.xqy
Last active
December 15, 2015 06:09
Create two test databases
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| (:::::::::::::: Step one - set up two test databases :::::::::::::::) | |
| xquery version "1.0-ml"; | |
| import module namespace info = "http://marklogic.com/appservices/infostudio" | |
| at "/MarkLogic/appservices/infostudio/info.xqy"; | |
| (: Setup test databases :) | |
| (info:database-create("source-db", 1), info:database-create("rebalance-me", 8)) | |
| (: after completion - confirm that the source-db1 forest contains 200K docs :) |
ableasdale
/ rebalance-create-sample-data.xqy
Created
March 21, 2013 16:49
Fill the source database with sample content to test the process
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| (:::::::::::::: Step two - create content in source-db :::::::::::::::) | |
| xquery version "1.0-ml"; | |
| (: run against source-db to fill the source forest with 200K docs - may take several minutes to complete :) | |
| for $i in 1 to 200000 | |
| return xdmp:document-insert(concat($i,".xml"), element node {$i}) |
ableasdale
/ rebalance-reattach-forest.xqy
Created
March 21, 2013 17:00
Reattach the source-db-1 forest to the "rebalance-me" database
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| (:::::::::::::: Step four - re-attach source-db-1 forest to rebalance-me database :::::::::::::::) | |
| xquery version "1.0-ml"; | |
| import module namespace admin = "http://marklogic.com/xdmp/admin" | |
| at "/MarkLogic/admin.xqy"; | |
| let $config := admin:get-configuration() | |
| let $config := admin:database-detach-forest($config, xdmp:database("source-db"), xdmp:forest("source-db-1") ) | |
| let $config := admin:database-attach-forest($config, xdmp:database("rebalance-me"), xdmp:forest("source-db-1") ) | |
| return |
ableasdale
/ rebalance-evacuate-forest.xqy
Last active
December 15, 2015 06:18
Evacuate the source-db-1 forest
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| (:::::::::::::: Step five - evacuate source-db-1 forest :::::::::::::::) | |
| xquery version "1.0-ml"; | |
| xdmp:spawn( | |
| "forest-uris-evacuate.xqy", | |
| (xs:QName('FOREST'), xdmp:forest('source-db-1'), | |
| xs:QName('INDEX'), -1, | |
| xs:QName('LIMIT'), 0, | |
| xs:QName('RESPAWN'), true()), | |
| <options xmlns="xdmp:eval"> |
ableasdale
/ rebalance-template.xqy
Created
March 21, 2013 18:15
Example usage for the task rebalancer
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| xdmp:spawn( | |
| "rebalance-evacuate-forest.xqy", | |
| ( | |
| xs:QName('FOREST'), xdmp:forest('%SOURCE FOREST%'), | |
| xs:QName('INDEX'), -1, | |
| xs:QName('LIMIT'), 0, | |
| xs:QName('RESPAWN'), true() | |
| ), | |
| <options xmlns="xdmp:eval"> | |
| <database>{ xdmp:database("%DATABASE NAME%") }</database> |
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