8:39 p.m.
[
https://issues.redhat.com/browse/DROOLS-5326?page=com.atlassian.jira.plug...
]
Toshiya Kobayashi moved RHDM-1342 to DROOLS-5326:
-------------------------------------------------
Project: Drools (was: Red Hat Decision Manager)
Key: DROOLS-5326 (was: RHDM-1342)
Workflow: GIT Pull Request workflow (was: CDW with docs v1)
Docs QE Status: NEW
Component/s: executable model
(was: BRE)
Affects Version/s: 7.37.0.Final
(was: 7.7.0.GA)
QE Status: NEW
Make DynamicProjectClassLoader$DefaultInternalTypesClassLoader cache
size configurable
--------------------------------------------------------------------------------------
Key: DROOLS-5326
URL: https://issues.redhat.com/browse/DROOLS-5326
Project: Drools
Issue Type: Task
Components: executable model
Affects Versions: 7.37.0.Final
Reporter: Toshiya Kobayashi
Assignee: Toshiya Kobayashi
Priority: Major
Labels: support
Using the executable model, we can see a memory retention in LambdaIntrospector after
reloading the kbase multiple times:
{noformat}
Class Name
| Shallow Heap | Retained Heap
-----------------------------------------------------------------------------------------------------------------------------------------------------
org.drools.modelcompiler.util.LambdaIntrospector$1 @ 0xc62e90a8
| 56 | 1,243,424
|- <class> class org.drools.modelcompiler.util.LambdaIntrospector$1 @ 0xc62c2158
| 0 | 0
|- head java.util.LinkedHashMap$Entry @ 0xc63577e0
| 40 | 52,080
|- table java.util.HashMap$Node[64] @ 0xd7283140
| 272 | 272
| |- <class> class java.util.HashMap$Node[] @ 0xc02d3af8
| 0 | 0
| |- [49] java.util.LinkedHashMap$Entry @ 0xc6336bf0
| 40 | 44,472
| |- [46] java.util.LinkedHashMap$Entry @ 0xc63577e0
| 40 | 52,080
| |- [30] java.util.LinkedHashMap$Entry @ 0xcb4305f0
| 40 | 39,760
| |- [35] java.util.LinkedHashMap$Entry @ 0xcb4415e0
| 40 | 23,320
| |- [12] java.util.LinkedHashMap$Entry @ 0xcb446c08
| 40 | 22,104
| |- [57] java.util.LinkedHashMap$Entry @ 0xcb44bd70
| 40 | 47,368
| |- [24] java.util.LinkedHashMap$Entry @ 0xcb457f28
| 40 | 52,672
| |- [63] java.util.LinkedHashMap$Entry @ 0xcb46a990
| 40 | 45,064
| |- [14] java.util.LinkedHashMap$Entry @ 0xce1ccaf8
| 40 | 47,368
| |- [45] java.util.LinkedHashMap$Entry @ 0xce1d8400
| 40 | 39,760
| |- [54] java.util.LinkedHashMap$Entry @ 0xce1e41c0
| 40 | 23,320
| | |- <class> class java.util.LinkedHashMap$Entry @ 0xc02c8090 System Class
| 0 | 0
| | |- after java.util.LinkedHashMap$Entry @ 0xce1d8400
| 40 | 39,760
| | |- key org.drools.modelcompiler.util.LambdaIntrospector$ClassIdentifier @
0xce1e41e8 | 24 | 280
| | | |- <class> class
org.drools.modelcompiler.util.LambdaIntrospector$ClassIdentifier @ 0xc62e01c0
| 0 | 0
| | | |- classLoader
org.drools.dynamic.DynamicProjectClassLoader$DefaultInternalTypesClassLoader @ 0xcb643360
| 64 | 581,176
| | | | |- <class> class
org.drools.dynamic.DynamicProjectClassLoader$DefaultInternalTypesClassLoader @ 0xc24d3320|
8 | 32
| | | | |- projectClassLoader org.drools.dynamic.DynamicProjectClassLoader @
0xcb5ed8b8 | 88 | 45,501,888
-----------------------------------------------------------------------------------------------------------------------------------------------------
{noformat}
LambdaIntrospector$1 extends LinkedHashMap and its cache size is 32.
https://github.com/kiegroup/drools/blob/master/drools-model/drools-model-...
The intent of this JIRA is to provide a flag to make this cache size configurable.
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