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From "Bas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARIES-1357) BasicSubsystem can be used by the subsystem install process a factor 6 times faster
Date Thu, 27 Aug 2015 13:23:45 GMT

    [ https://issues.apache.org/jira/browse/ARIES-1357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14716648#comment-14716648
] 

Bas commented on ARIES-1357:
----------------------------

Yes, that is how I measured the performance.

> BasicSubsystem can be used by the subsystem install process a factor 6 times faster
> -----------------------------------------------------------------------------------
>
>                 Key: ARIES-1357
>                 URL: https://issues.apache.org/jira/browse/ARIES-1357
>             Project: Aries
>          Issue Type: Improvement
>          Components: Subsystem
>    Affects Versions: subsystem-core-1.2.0, subsystem-2.0.1
>         Environment: linux windows java
>            Reporter: Bas
>            Assignee: John Ross
>              Labels: patch, performance
>             Fix For: subsystem-core-1.2.0, subsystem-2.0.1
>
>         Attachments: ManyFeaturesWithSharedBundlesTest.java, nl.capesystemsintegration.emagiz.flow.emagiz.mikrotik.process_1.1.0.esa,
patch-basicsubsystem.patch, performance-105-afterrestart.nps, subsystem-basicsubsystem-patch.txt
>
>
> The problem was poor performance while installing a subsystem on a container with 200+
subsystems installed.
> While doing performance analyses on the subsystem install process we noticed the BasicSubsystem
is working a lot with its manifest instead of pre-calculating data that is used a lot.
> While using the pre-patch version of BasicSubsystem a subsystem install (while having
200+ running subsystems) could take more than a minute. While using the patched version where
we pre-calculate highly used data when a new subsystem manifest or deployment manifest is
set we could bring it down to 10 seconds. We only pre-calculated the data that was highly
used.



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