[jboss-jira] [JBoss JIRA] Commented: (JBAS-7291) Reduce memory usage

[Scott Marlow (JIRA)]

    [ https://jira.jboss.org/browse/JBAS-7291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12555977#action_12555977 ] 

Scott Marlow commented on JBAS-7291:
------------------------------------

Another snapshot of memory usage using AS trunk (as 6)
77.1mb in use after booting default profile.  Using the MAT, we can see the following breakdown of use (first page of dominator_tree view in Mat):

Class Name                                                                      | Shallow Heap | Retained Heap | Percentage | Retained Heap 

------------------------------------------------------------------------------------------------------------------------------------------

org.jboss.mx.server.MBeanServerImpl @ 0xd4b35490                                |           24 |     8,990,440 |     11.11% |     8,990,440 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd53ace18                     |           88 |     5,478,928 |      6.77% |     5,478,928 

java.net.URLClassLoader @ 0xd4b361a8                                            |           72 |     1,809,656 |      2.24% |     1,809,656 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd4d2a948                     |           88 |     1,428,728 |      1.77% |     1,428,728 

org.apache.tomcat.util.net.JIoEndpoint$Poller @ 0xd82ecc98 Busy Monitor         |           40 |     1,179,976 |      1.46% |     1,179,976 

org.apache.tomcat.util.net.JIoEndpoint$Poller @ 0xd82ede38 Busy Monitor         |           40 |     1,179,976 |      1.46% |     1,179,976 

class org.hsqldb.store.ValuePool @ 0xc61bfad8                                   |           56 |       961,320 |      1.19% |       961,320 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd460f0c0                                |           40 |       779,544 |      0.96% |       779,544 

org.jboss.kernel.plugins.dependency.AbstractKernelController @ 0xd4ba5698       |          112 |       711,032 |      0.88% |       711,032 

org.jboss.classpool.plugins.jbosscl.JBossClClassPoolDomain @ 0xd4134f40         |           48 |       691,736 |      0.86% |       691,736 

org.jboss.metadata.plugins.repository.basic.BasicMetaDataRepository @ 0xd4ba74b0|           16 |       663,648 |      0.82% |       663,648 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd6aa3e00                     |           88 |       551,920 |      0.68% |       551,920 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd5961750                     |           88 |       519,088 |      0.64% |       519,088 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd4dc81b0                     |           88 |       518,200 |      0.64% |       518,200 

org.hornetq.core.journal.impl.TimedBuffer @ 0xd78ea6b8                          |           72 |       502,024 |      0.62% |       502,024 

org.jboss.classloader.spi.ClassLoaderDomain @ 0xd4b35678                        |           80 |       487,864 |      0.60% |       487,864 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd4bdb030                     |           88 |       482,312 |      0.60% |       482,312 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd398ce08                                |           40 |       471,528 |      0.58% |       471,528 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd60b0448                                |           40 |       453,752 |      0.56% |       453,752 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd43692c0                                |           40 |       439,440 |      0.54% |       439,440 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd495a880                                |           40 |       437,704 |      0.54% |       437,704 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd4ef1738                     |           88 |       412,704 |      0.51% |       412,704 

org.jboss.classloader.spi.base.BaseClassLoader @ 0xd4bc77f0                     |           88 |       383,304 |      0.47% |       383,304 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd47b9450                                |           40 |       381,224 |      0.47% |       381,224 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd449b430                                |           40 |       357,096 |      0.44% |       357,096 

org.jboss.vfs.spi.JavaZipFileSystem @ 0xd48b8f98                                |           40 |       314,632 |      0.39% |       314,632 

------------------------------------------------------------------------------------------------------------------------------------------



> Reduce memory usage
> -------------------
>
>                 Key: JBAS-7291
>                 URL: https://jira.jboss.org/browse/JBAS-7291
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 6.0.0.M1
>            Reporter: Scott Marlow
>            Assignee: Scott Marlow
>             Fix For: TBD
>
>
> This is an umbrella jira for all projects that are part of the application server.  
> 6mb of memory used by 109, 552 instances of org.jboss.logging.Logger (these numbers include objects referenced by the Logger instances)
> 65.5mb org.jboss.mx.server.MBeanServerImpl 
> 30mb org.jboss.virtual.plugins.context.zip.ZipEntryContext$EntryInfo
> Other details to be added

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