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# general
s
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a
Not sure if these will help but out of my mind I'd: 1. check first that I have enough memory 🙂 2. check that mem config of historical hasn't lower limits than it should (jmx, direct mems etc) 3. in case of big number of segments files (more than 65k by default) in linux, check
vm.max_map_count
limits
a
Can you provide the stacktrace or log error?
Add your historical jvm.config and your historical properties file as well
l
you can also enable
-XX:+HeapDumpOnOutOfMemoryError
in JVM and wade through the heap dump for more information