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From "Tom Beerbower" <tbeerbo...@hortonworks.com>
Subject Re: Review Request 22941: API call to /hosts to get information about 10 hosts takes more than 30 seconds on 2K-node cluster
Date Thu, 26 Jun 2014 19:01:35 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/22941/#review46781
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ambari-server/src/main/java/org/apache/ambari/server/api/query/QueryImpl.java
<https://reviews.apache.org/r/22941/#comment82362>

    So the optimization only comes into play if there is no supplied predicate? 
    
    Sid, is that okay?


- Tom Beerbower


On June 26, 2014, 6:52 p.m., Dmytro Sen wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/22941/
> -----------------------------------------------------------
> 
> (Updated June 26, 2014, 6:52 p.m.)
> 
> 
> Review request for Ambari, Sid Wagle and Tom Beerbower.
> 
> 
> Bugs: AMBARI-6263
>     https://issues.apache.org/jira/browse/AMBARI-6263
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> On a large cluster, calls to /hosts are taking more than 30 seconds.
> This severely impacts the responsiveness of the UI for the Hosts page (it takes >
30 seconds to filter, navigate through paged hosts, etc).
> The times shown are latency only (does not include download time).
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/java/org/apache/ambari/server/api/query/QueryImpl.java 63426cb

>   ambari-server/src/main/java/org/apache/ambari/server/api/services/BaseRequest.java
b7893c5 
>   ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AbstractProviderModule.java
711e64e 
>   ambari-server/src/main/java/org/apache/ambari/server/controller/spi/ClusterController.java
5e3f844 
>   ambari-server/src/main/java/org/apache/ambari/server/utils/JaxbMapKeyListAdapter.java
4589948 
>   ambari-server/src/main/java/org/apache/ambari/server/utils/JaxbMapKeyMapAdapter.java
8419d73 
>   ambari-server/src/main/java/org/apache/ambari/server/utils/JaxbMapKeyValAdapter.java
e3531cd 
> 
> Diff: https://reviews.apache.org/r/22941/diff/
> 
> 
> Testing
> -------
> 
> [INFO] Reactor Summary:
> [INFO] 
> [INFO] Ambari Main ....................................... SUCCESS [1.632s]
> [INFO] Apache Ambari Project POM ......................... SUCCESS [0.303s]
> [INFO] Ambari Web ........................................ SUCCESS [22.921s]
> [INFO] Ambari Views ...................................... SUCCESS [1.546s]
> [INFO] Ambari Server ..................................... SUCCESS [14:21.956s]
> [INFO] Ambari Agent ...................................... SUCCESS [6.150s]
> [INFO] Ambari Client ..................................... SUCCESS [0.035s]
> [INFO] Ambari Python Client .............................. SUCCESS [0.291s]
> [INFO] Ambari Groovy Client .............................. SUCCESS [8.195s]
> [INFO] Ambari Shell ...................................... SUCCESS [4.434s]
> 
> 
> Thanks,
> 
> Dmytro Sen
> 
>


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