Eventeum stalls when new events are fired

[Genysys]

I am experiencing an issue , where Eventeum seems to halt when it is processing a new event.

2021-05-04 11:50:14.070 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0xa07a5558aec06aeb981d445c03fe42b6a0ee27b87e5187e795d2545e3f69eb97, Number: 20714658
2021-05-04 11:50:14.301 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0x2761ce0aac5a3e4bb52572bab1dd923989ac8141eb429274312e0ece40322430, Number: 20714659
2021-05-04 11:50:24.345 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0x54cca575306396831eeac3ca36c5a2cc8b529fe4c616c469e62355e2c565908a, Number: 20714660
2021-05-04 11:50:24.481 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0x7204bff5c816741a05d3087583297c7035e42919e3f2467fe2550be86df56510, Number: 20714661
2021-05-04 11:50:34.082 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0xf3865c8c4b8a2ab42d6bc631b5afc5e172eb16885fe75cffcc01b55fdd915d3c, Number: 20714662
2021-05-04 11:50:34.326 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0x895d97c7405f10caeac4f28d5a02b42d27b7d543b8b8887452af23738248be20, Number: 20714663
2021-05-04 11:50:44.047 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0xb701e9499101ce454c9bb6eb7a7b387a4036cc57efc622fb5ff463293ad26dc2, Number: 20714664
2021-05-04 11:50:44.310 [BLOCK-DEFAULT-0] INFO  net.consensys.eventeum.chain.block.LoggingBlockListener: onBlock - New block mined. Hash: 0xf8a9be3ca4d885b428692f4e44563cdd3ac3c12f127b1b145e722de0fce4917d, Number: 20714665
2021-05-04 11:50:54.301 [EVENT-DEFAULT-0] INFO  net.consensys.eventeum.chain.contract.LoggingContractEventListener: onEvent - Contract event fired: ReplyCreated
2021-05-04 11:50:54.413 [EVENT-DEFAULT-0] INFO  net.consensys.eventeum.chain.contract.BroadcastAndInitialiseConfirmationListener: onEvent - Registering an EventConfirmationBlockListener for event: 0x7806d6a1ca19d7b0ab40aa01dc8541472f264442dcd83ca548b0b155dcc2a7f0-0x3f8e4140dd4d5be76e4deb60690e4735559b2853be557ff092757edda3ab7130-0

Here are my GC logs.

root@eventeum-5d8fbd66f6-6hs2t:/# cat gc.log 
OpenJDK 64-Bit Server VM (25.292-b10) for linux-amd64 JRE (1.8.0_292-b10), built on Apr  9 2021 02:15:01 by "openjdk" with gcc 4.4.7 20120313 (Red Hat 4.4.7-23)
Memory: 4k page, physical 29208148k(29204632k free), swap 0k(0k free)
CommandLine flags: -XX:InitialHeapSize=467330368 -XX:MaxHeapSize=7477285888 -XX:+PrintGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+UseCompressedClassPointers -XX:+UseCompressedOops 
0.998: [GC (Allocation Failure) 0.998: [DefNew: 121856K->3334K(137024K), 0.0089379 secs] 121856K->3334K(441536K), 0.0090035 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 
1.327: [GC (Allocation Failure) 1.328: [DefNew: 125190K->4815K(137024K), 0.0140763 secs] 125190K->4815K(441536K), 0.0141389 secs] [Times: user=0.03 sys=0.01, real=0.02 secs] 
1.591: [Full GC (Metadata GC Threshold) 1.591: [Tenured: 0K->5717K(304512K), 0.0477523 secs] 115165K->5717K(441536K), [Metaspace: 20591K->20591K(1067008K)], 0.0478553 secs] [Times: user=0.05 sys=0.01, real=0.05 secs] 
2.168: [GC (Allocation Failure) 2.168: [DefNew: 121856K->3036K(137088K), 0.0184352 secs] 127573K->8754K(441600K), 0.0185271 secs] [Times: user=0.03 sys=0.00, real=0.02 secs] 
2.616: [GC (Allocation Failure) 2.616: [DefNew: 124892K->5218K(137088K), 0.0191868 secs] 130610K->10935K(441600K), 0.0192887 secs] [Times: user=0.04 sys=0.00, real=0.02 secs] 
2.877: [GC (Allocation Failure) 2.877: [DefNew: 127074K->5902K(137088K), 0.0193986 secs] 132791K->11619K(441600K), 0.0194697 secs] [Times: user=0.04 sys=0.00, real=0.02 secs] 
3.448: [GC (Allocation Failure) 3.448: [DefNew: 127758K->9827K(137088K), 0.0329810 secs] 133475K->15544K(441600K), 0.0330520 secs] [Times: user=0.07 sys=0.00, real=0.04 secs] 
4.091: [Full GC (Metadata GC Threshold) 4.091: [Tenured: 5717K->15924K(304512K), 0.0791973 secs] 101665K->15924K(441600K), [Metaspace: 34104K->34104K(1081344K)], 0.0792886 secs] [Times: user=0.13 sys=0.01, real=0.08 secs] 
4.549: [GC (Allocation Failure) 4.549: [DefNew: 121856K->840K(137088K), 0.0055767 secs] 137780K->16764K(441600K), 0.0056313 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 
5.245: [GC (Allocation Failure) 5.245: [DefNew: 122696K->3925K(137088K), 0.0135574 secs] 138620K->19850K(441600K), 0.0136214 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 
6.222: [GC (Allocation Failure) 6.222: [DefNew: 125781K->11107K(137088K), 0.0290856 secs] 141706K->27031K(441600K), 0.0291853 secs] [Times: user=0.06 sys=0.00, real=0.02 secs] 
6.891: [GC (Allocation Failure) 6.891: [DefNew: 132963K->10570K(137088K), 0.0343902 secs] 148887K->30078K(441600K), 0.0344790 secs] [Times: user=0.04 sys=0.00, real=0.04 secs] 
7.556: [GC (Allocation Failure) 7.556: [DefNew: 132426K->6228K(137088K), 0.0314479 secs] 151934K->32815K(441600K), 0.0315248 secs] [Times: user=0.07 sys=0.00, real=0.03 secs] 
8.194: [GC (Allocation Failure) 8.194: [DefNew: 128084K->8593K(137088K), 0.0239269 secs] 154671K->35180K(441600K), 0.0239965 secs] [Times: user=0.05 sys=0.00, real=0.02 secs] 
8.319: [Full GC (Metadata GC Threshold) 8.319: [Tenured: 26587K->35555K(304512K), 0.1473689 secs] 50022K->35555K(441600K), [Metaspace: 56146K->56146K(1099776K)], 0.1474723 secs] [Times: user=0.15 sys=0.00, real=0.15 secs] 
19.978: [GC (Allocation Failure) 19.978: [DefNew: 121856K->1581K(137088K), 0.0099679 secs] 157411K->37136K(441600K), 0.0100324 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 
60.079: [GC (Allocation Failure) 60.079: [DefNew: 123437K->5016K(137088K), 0.0153243 secs] 158992K->40571K(441600K), 0.0154139 secs] [Times: user=0.01 sys=0.00, real=0.02 secs] 
179.107: [GC (Allocation Failure) 179.107: [DefNew: 126872K->6447K(137088K), 0.0181962 secs] 162427K->42003K(441600K), 0.0182859 secs] [Times: user=0.02 sys=0.00, real=0.02 secs] 
399.891: [GC (Allocation Failure) 399.891: [DefNew: 128303K->7013K(137088K), 0.0155878 secs] 163859K->42568K(441600K), 0.0158237 secs] [Times: user=0.01 sys=0.00, real=0.02 secs] 
629.892: [GC (Allocation Failure) 629.892: [DefNew: 128869K->7043K(137088K), 0.0146654 secs] 164424K->42598K(441600K), 0.0147502 secs] [Times: user=0.02 sys=0.00, real=0.01 secs] 
860.077: [GC (Allocation Failure) 860.077: [DefNew: 128899K->7163K(137088K), 0.0139058 secs] 164454K->42719K(441600K), 0.0140517 secs] [Times: user=0.02 sys=0.00, real=0.01 secs] 
1045.241: [GC (Allocation Failure) 1045.241: [DefNew: 129019K->7410K(137088K), 0.0204607 secs] 164575K->42965K(441600K), 0.0205453 secs] [Times: user=0.02 sys=0.00, real=0.02 secs] 
1327.442: [GC (Allocation Failure) 1327.442: [DefNew: 129266K->8285K(137088K), 0.0205633 secs] 164821K->43841K(441600K), 0.0206464 secs] [Times: user=0.03 sys=0.00, real=0.02 secs] 
1588.380: [GC (Allocation Failure) 1588.380: [DefNew: 130141K->7805K(137088K), 0.0200259 secs] 165697K->44758K(441600K), 0.0201125 secs] [Times: user=0.02 sys=0.01, real=0.02 secs] 
1860.100: [GC (Allocation Failure) 1860.100: [DefNew: 129661K->5174K(137088K), 0.0181164 secs] 166614K->45292K(441600K), 0.0181981 secs] [Times: user=0.02 sys=0.00, real=0.02 secs] 

I will appreciate any pointers on this.