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Heap Dump Taken By Lots Of com.openmarket.xcelerate.asset.Asset Objects (Doc ID 2405336.1)

Last updated on JUNE 03, 2018

Applies to:

Oracle WebCenter Sites - Version 11.1.1.8.0 and later
Information in this document applies to any platform.

Symptoms

A large heap size with a very large number of com.openmarket.xcelerate.asset.Asset objects within com.fatwire.cs.core.db.NestedTransactionBlock affects WebCenter Sites' performance through heap management overhead. The pattern of the call stack resembles:

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java.lang.ThreadLocal$ThreadLocalMap @ 0x62c086628 | 24 | 836,498,568 | 13.40%
'- java.lang.ThreadLocal$ThreadLocalMap$Entry[128] @ 0x63c0d15f8 | 528 | 836,498,544 | 13.40%
|- java.lang.ThreadLocal$ThreadLocalMap$Entry @ 0x647a87640 | 32 | 836,409,288 | 13.40%
| '- java.util.LinkedList @ 0x647a87690 | 24 | 836,409,256 | 13.40%
| '- java.util.LinkedList$Link @ 0x647a87758 | 24 | 836,409,232 | 13.40%
| '- java.util.LinkedList$Link @ 0x647a87dd0 | 24 | 836,409,208 | 13.40%
| '- com.fatwire.cs.core.db.NestedTransactionBlock @ 0x647a87de8 | 56 | 836,409,184 | 13.40%
| |- java.util.HashMap @ 0x647a87e38 | 48 | 836,369,928 | 13.40%
| | '- java.util.HashMap$Entry[16] @ 0x647a87f78 | 80 | 836,369,880 | 13.40%
| | '- java.util.HashMap$Entry @ 0x647a88028 | 24 | 836,369,800 | 13.40%
| | '- java.util.ArrayList @ 0x6492ba908 | 24 | 836,369,776 | 13.40%
| | '- java.lang.Object[14761] @ 0x7109207b8 | 59,064 | 836,369,752 | 13.40%
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Cause

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