Closed Bug 102635 Opened 23 years ago Closed 23 years ago

seventeen java_vm while browsing a URL

Categories

(Core Graveyard :: Java: OJI, defect)

Product:
Core Graveyard
Component:
Java: OJI
Platform:
x86
Linux
Type:
defect
Priority:
Not set
Severity:
critical

Tracking

(Not tracked)

Status:
VERIFIED DUPLICATE of bug 85319

People

(Reporter: sergeisteshenko, Assigned: edburns)

References

(
URL
)

Details

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:0.9.4+) Gecko/20011001
BuildID:    2001100108

Too many 'java_vm' when visiting a URL which requires Java and AFTER 
(when Java is already not needed):

"
 2324 root       9   0 20404  19M  5408 S     0.0  5.3   0:03 java_vm
 2325 root       8   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2326 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2327 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2328 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2329 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2330 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2331 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2332 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2333 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2334 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2335 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2336 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2337 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2338 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2339 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
 2346 root       9   0 20404  19M  5408 S     0.0  5.3   0:00 java_vm
".

140 MBytes of memory are takedn for no good reason !

Reproducible: Always
Steps to Reproduce:
1.download Mozilla - Java not yet installed
2.visiti sedmoycanal.com
3.monitor number of 'java_vm' in process table
4.visit any other URL not requiring Java
5.check again process table - 'java_vm' are still there

Actual Results:  slowness, unnecessary memory consumption

Expected Results:  'java_vm' should go away when Java is not needed; why so many
anyway ?

I am not sure what the component is, but the problem is related to Java.
Those are threads, not processes. That means they share the same address space.
 The total memory usage is about 20MB.

The java_vm is kept around after first use.  Shutting it down and restarting it
all the time would be a serious performance issue.   So we lazily load it (don't
load till the first time it's needed) then keep it for the duration of the session.

I would say this in invalid, but over to OJI to decide.
Assignee: ashuk → edburns
Component: Java APIs for DOM → OJI
QA Contact: avm → pmac

*** This bug has been marked as a duplicate of 85319 ***
Status: UNCONFIRMED → RESOLVED
Closed: 23 years ago
Resolution: --- → DUPLICATE
verified dup
Status: RESOLVED → VERIFIED
Product: Core → Core Graveyard
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