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Posted to issues@karaf.apache.org by "Jean-Baptiste Onofré (Jira)" <ji...@apache.org> on 2021/11/04 05:28:00 UTC
[jira] [Assigned] (KARAF-7271) Upgrade to org.ops4j.pax.url 2.6.7
(BND tools 5.2.0) leads to big memory overhead
[ https://issues.apache.org/jira/browse/KARAF-7271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jean-Baptiste Onofré reassigned KARAF-7271:
-------------------------------------------
Assignee: Jean-Baptiste Onofré
> Upgrade to org.ops4j.pax.url 2.6.7 (BND tools 5.2.0) leads to big memory overhead
> ---------------------------------------------------------------------------------
>
> Key: KARAF-7271
> URL: https://issues.apache.org/jira/browse/KARAF-7271
> Project: Karaf
> Issue Type: Bug
> Components: karaf
> Affects Versions: 4.2.11, 4.2.12
> Reporter: Miel Donkers
> Assignee: Jean-Baptiste Onofré
> Priority: Major
>
> Karaf 4.2.11 upgraded org.ops4j.pax.url from version 2.6.3 to 2.6.7 ([https://github.com/apache/karaf/pull/1290/files)]
> With that pax.url version, the bnd lib were updated from 2.3.0 to 5.2.0 (see [https://github.com/ops4j/org.ops4j.pax.url/blob/11f5e7db4d6eace783c448349395f314b5498998/pom.xml#L68] and [https://github.com/ops4j/org.ops4j.pax.url/blob/7b59243313bb3cb3ddac3908680663a612e994f5/pom.xml#L68] )
> With this update of bnd lib, a issue was introduced (since bnd lib 4.0.0) where even loading relatively small JAR files can lead to major memory overhead (JAR file of 11 Mb needs 350+ Mb to get loaded). In memory-constrained environments, for example running a Karaf application on Kubernetes with memory limits applied, this will lead to issues where the app goes out of memory or gets killed.
> The problem was flagged with bnd lib here: [https://github.com/bndtools/bnd/issues/4901]
> And they already provided a fix: [https://github.com/bndtools/bnd/commit/89743f9ed2554981934b71df301572665ef95dcd]
> However at the moment of writing there is no new version of bnd yet including the fix (and thus neither is there for org.ops4j.pax.url).
> Requesting to update those dependencies whenever a fix is available and released.
>
> For reference the issue with org.ops4j.pax.url: https://github.com/ops4j/org.ops4j.pax.url/issues/399
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