There is one instance of NN where JVM process takes 40GB memory though jvm is started with 24GB. Java heap is still 24GB. Looks like it ends up taking a lot of memory outside. There are a lot entries in pmap similar to below that account for the difference. Anyone knows what this might be?
From 'pmap -d' ==== 00002ab508000000 64308 rwx-- 00002ab508000000 000:00000 [ anon ] 00002ab50becd000 1228 ----- 00002ab50becd000 000:00000 [ anon ] 00002ab50c000000 64328 rwx-- 00002ab50c000000 000:00000 [ anon ] 00002ab50fed2000 1208 ----- 00002ab50fed2000 000:00000 [ anon ] 00002ab510000000 64720 rwx-- 00002ab510000000 000:00000 [ anon ] 00002ab513f34000 816 ----- 00002ab513f34000 000:00000 [ anon ] 00002ab514000000 64552 rwx-- 00002ab514000000 000:00000 [ anon ] ==== Raghu.
