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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-2911) [stargate] Fix JSON handling of META and ROOT
Date Wed, 24 Nov 2010 21:26:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-2911.
-----------------------------------

    Resolution: Won't Fix

> [stargate] Fix JSON handling of META and ROOT
> ---------------------------------------------
>
>                 Key: HBASE-2911
>                 URL: https://issues.apache.org/jira/browse/HBASE-2911
>             Project: HBase
>          Issue Type: Bug
>          Components: rest
>            Reporter: Lars George
>            Assignee: Andrew Purtell
>
> While working on the HBase Explorer front end in Hue I found a few inconsistencies between
the plain text version of values versus the JSON representation. From an email conversation:
> Plain Text
> ---------------
> $ curl -H "curl -H "Accept: text/plain" localhost:8888/status/cluster
> 1 live servers, 0 dead servers, 5.0000 average load
> 1 live servers
>    de1-app-mbp-2.fritz.box:62884 1280924907616
>        requests=0, regions=5
>        heapSizeMB=27
>        maxHeapSizeMB=995
>        t2,,1280917558997
>            stores=3
>            storefiless=0
>            storefileSizeMB=0
>            memstoreSizeMB=0
>            storefileIndexSizeMB=0
>        usertable,,1280917566604
>            stores=3
>            storefiless=2
>            storefileSizeMB=224
>            memstoreSizeMB=0
>            storefileIndexSizeMB=0
>        .META.,,1
>            stores=2
>            storefiless=1
>            storefileSizeMB=0
>            memstoreSizeMB=0
>            storefileIndexSizeMB=0
>        t1,,1280917554475
>            stores=3
>            storefiless=0
>            storefileSizeMB=0
>            memstoreSizeMB=0
>            storefileIndexSizeMB=0
>        \-ROOT\-,,0
>            stores=1
>            storefiless=1
>            storefileSizeMB=0
>            memstoreSizeMB=0
>            storefileIndexSizeMB=0
> JSON
> ---------
> And curling the JSON yields:
> $ curl -H "Accept: application/json" localhost:8888/status/cluster
> {"requests":0,"regions":5,"averageLoad":5.0,"DeadNodes":[null],"LiveNodes":[{"Node":{"startCode":1280924907616,"requests":0,"name":"de1-app-mbp-2.fritz.box:62884","maxHeapSizeMB":995,"heapSizeMB":27,"Region":[{"stores":3,"storefiles":0,"storefileSizeMB":0,"storefileIndexSizeMB":0,"name":"dDIsLDEyODA5MTc1NTg5OTc=","memstoreSizeMB":0},{"stores":3,"storefiles":2,"storefileSizeMB":224,"storefileIndexSizeMB":0,"name":"dXNlcnRhYmxlLCwxMjgwOTE3NTY2NjA0","memstoreSizeMB":0},{"stores":2,"storefiles":1,"storefileSizeMB":0,"storefileIndexSizeMB":0,"name":"Lk1FVEEuLCwx","memstoreSizeMB":0},{"stores":3,"storefiles":0,"storefileSizeMB":0,"storefileIndexSizeMB":0,"name":"dDEsLDEyODA5MTc1NTQ0NzU=","memstoreSizeMB":0},{"stores":1,"storefiles":1,"storefileSizeMB":0,"storefileIndexSizeMB":0,"name":"LVJPT1QtLCww","memstoreSizeMB":0}]}}]}
> And another one:
> I have another one with .META. and \-ROOT\-, in my small sample setup (all local, /tmp
etc.) I see this in the master UI:
> Name	 Region Server	 Encoded Name	 Start Key	 End Key
> .META.,,1	10.0.0.43:60030	 -		
> But running the same against Stargate I get:
> $ curl -H "Accept: application/json" http://localhost:8888/.META./regions
> {"name":".META."}
> while a "normal" user table with a single row has
> Name	 Region Server	 Encoded Name	 Start Key	 End Key
> t1,,1281111615489	10.0.0.43:60030	 1127696125		
> and through Stargate:
> $ curl -H "Accept: application/json" http://localhost:8888/t1/regions
> {"name":"t1","Region":[{"location":"10.0.0.43:54988","endKey":"","startKey":"","id":1281111615489,"name":"t1,,1281111615489"}]}
> So the internal tables are not reported right.

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