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https://issues.apache.org/jira/browse/WSS-431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colm O hEigeartaigh closed WSS-431.
-----------------------------------
> Performance bottleneck in MemoryReplayCache on high load
> --------------------------------------------------------
>
> Key: WSS-431
> URL: https://issues.apache.org/jira/browse/WSS-431
> Project: WSS4J
> Issue Type: Bug
> Components: WSS4J Core
> Affects Versions: 1.6.9
> Reporter: Alessio Soldano
> Assignee: Colm O hEigeartaigh
> Fix For: 1.6.10
>
> Attachments: patch-cache.diff
>
>
> I've been testing some WS-Security policy enabled endpoints running on Apache
> CXF 2.6.6 + WSS4J 1.6.9. In the testing scenario I have hundreds of ws
> clients hitting the same endpoint; I'm seeing most of the server treads
> blocked as follows:
> {code}
> "http-/172.19.1.6:8080-41" daemon prio=10 tid=0x00007f6bb41c2800 nid=0x6599
> waiting for monitor entry [0x00007f6b6e0ac000]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at
> org.apache.ws.security.cache.MemoryReplayCache.processTokenExpiry(MemoryReplayCache.java:89)
> - waiting to lock <0x00000000b0a71170> (a
> java.util.Collections$SynchronizedSet)
> at
> org.apache.ws.security.cache.MemoryReplayCache.contains(MemoryReplayCache.java:77)
> at
> org.apache.ws.security.processor.SignatureProcessor.testMessageReplay(SignatureProcessor.java:674)
> at
> org.apache.ws.security.processor.SignatureProcessor.verifyXMLSignature(SignatureProcessor.java:416)
> at
> org.apache.ws.security.processor.SignatureProcessor.handleToken(SignatureProcessor.java:231)
> at
> org.apache.ws.security.WSSecurityEngine.processSecurityHeader(WSSecurityEngine.java:396)
> at
> org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessage(WSS4JInInterceptor.java:277)
> at
> org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessage(WSS4JInInterceptor.java:96)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:262)
> - locked <0x00000000ede3b8f8> (a
> org.apache.cxf.phase.PhaseInterceptorChain)
> at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:237)
> [...]
> {code}
> while one of them does:
> {code}
> "http-/172.19.1.6:8080-17" daemon prio=10 tid=0x00007f6bb418d000 nid=0x6581
> runnable [0x00007f6b6fdfb000]
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.ws.security.cache.MemoryReplayCache.processTokenExpiry(MemoryReplayCache.java:92)
> - locked <0x00000000b0a71170> (a java.util.Collections$SynchronizedSet)
> at
> org.apache.ws.security.cache.MemoryReplayCache.contains(MemoryReplayCache.java:77)
> at
> org.apache.ws.security.processor.SignatureProcessor.testMessageReplay(SignatureProcessor.java:674)
> at
> org.apache.ws.security.processor.SignatureProcessor.verifyXMLSignature(SignatureProcessor.java:416)
> at
> org.apache.ws.security.processor.SignatureProcessor.handleToken(SignatureProcessor.java:231)
> at
> org.apache.ws.security.WSSecurityEngine.processSecurityHeader(WSSecurityEngine.java:396)
> at
> org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessage(WSS4JInInterceptor.java:277)
> at
> org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor.handleMessage(WSS4JInInterceptor.java:96)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:262)
> - locked <0x00000000ebba7660> (a
> org.apache.cxf.phase.PhaseInterceptorChain)
> at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:237)
> [...]
> {code}
> So basically the iteration over the cache HashSet in the synchronized block
> is killing performances.
> I'm aware the MemoryReplayCache is just a simple impl of ReplayCache to be
> used when EHCache is not available, however I have a proposal for a fix in it
> that would solve the problem.
> Using a sorted collection we can trade a bit of the cache insertion time to
> speed up the eviction (processTokenExpiry) process.
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