Hi All,
Frequently we are observing one of the publisher is going down with java.lang.OutOfMemoryError: Java heap space error.
From the HeapDump analysis using Eclipse MAT tool, we got below Problem Suspects stack trace..
Problem Suspect 1
One instance of "org.apache.jackrabbit.oak.segment.CachingSegmentReader" loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x743115ad0" occupies 251,720,416 (11.62%) bytes. The memory is accumulated in one instance of "org.apache.jackrabbit.oak.cache.CacheLIRS$Segment[]" loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x7425fd5e0".
Keywords
org.apache.jackrabbit.oak.segment.CachingSegmentReader
org.apache.jackrabbit.oak.cache.CacheLIRS$Segment[]
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x743115ad0
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x7425fd5e0
Problem Suspect 2
One instance of "org.apache.jackrabbit.oak.cache.CacheLIRS" loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x76d76f610" occupies 220,491,096 (10.18%) bytes. The memory is accumulated in one instance of "org.apache.jackrabbit.oak.cache.CacheLIRS$Segment[]" loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x76d76f610".
Keywords
org.apache.jackrabbit.oak.cache.CacheLIRS
org.apache.jackrabbit.oak.cache.CacheLIRS$Segment[]
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x76d76f610
Details »
Problem Suspect 3
17,374 instances of "org.apache.jackrabbit.oak.segment.Segment", loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x743115ad0" occupy 231,538,184 (10.69%) bytes. These instances are referenced from one instance of "com.google.common.cache.LocalCache$Segment[]", loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x74301f6f0"
Keywords
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x74301f6f0
com.google.common.cache.LocalCache$Segment[]
org.apache.jackrabbit.oak.segment.Segment
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x743115ad0
Problem Suspect 4
15,729 instances of "org.apache.jackrabbit.oak.segment.Segment", loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x76d86aba0" occupy 220,611,808 (10.18%) bytes. These instances are referenced from one instance of "com.google.common.cache.LocalCache$Segment[]", loaded by "org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x74301f6f0"
Keywords
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x74301f6f0
com.google.common.cache.LocalCache$Segment[]
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader @ 0x76d86aba0
org.apache.jackrabbit.oak.segment.Segment
Can someone please go through above and provide me the suggestion what exactly caused from the above stack trace, i mean need detailed explanation to convey with dev team
Thanks,
ANR