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From "John Ross (JIRA)" <>
Subject [jira] [Commented] (ARIES-1357) BasicSubsystem can be used by the subsystem install process a factor 6 times faster
Date Thu, 27 Aug 2015 13:44:47 GMT


John Ross commented on ARIES-1357:

Out of curiosity, are all of the contents of the SUBSYSTEM.MF files I'm looking at something
you generated manually or via tooling prior to installation? In particular, did you add the
Subsystem-ImportService header to the application yourself?

> BasicSubsystem can be used by the subsystem install process a factor 6 times faster
> -----------------------------------------------------------------------------------
>                 Key: ARIES-1357
>                 URL:
>             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:, 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

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