Oracle DB application slowness after kernel 4.18.0-553.69.1.el8_10 update

Solution In Progress - Updated -

Issue

  • After updating to kernel-4.18.0-553.69.1.el8_10 or later Oracle became slow
    • Recurring Oracle DB Latency Leading to Application Access Delays Every 30 Minutes (2–3 Minute Timeouts)
    • DB active connections counts are going high and impacting application and this issue is lasting for around 15 to 20 mins and post that issue resolves on its own.
  • Sometimes but not always accompanied by warnings related to loading the ipv6 module:
request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-10, throttling

Environment

  • Red Hat Enterprise Linux 8
    • kernel-4.18.0-553.69.1.el8_10 and later.
  • Oracle Database
  • Oracle 3rd party modules
oracleacfs           5763072  0
oracleadvm            909312  0
oracleoks             831488  2 oracleadvm,oracleacfs

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