NETOBSERV-1470: Reduce memory usage in agent due to kafka batches

[jotak]

As shown here in run11, this tuning drastically reduces memory used due to kafka batching, retrieving similar level than in 1.4 (even slightly better).

It should be verified on large-scale perf tests

[openshift-ci-robot]

@jotak: This pull request references NETOBSERV-1470 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the bug to target the "4.16.0" version, but no target version was set.

In response to this:

As shown here in run11, this tuning drastically reduces memory used due to kafka batching, retrieving similar level than in 1.4 (even slightly better).

It should be verified on large-scale perf tests

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[openshift-ci]

@jotak: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-operator	6ce66b9	link	false	/test e2e-operator

Full PR test history. Your PR dashboard.

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[jotak]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jotak

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