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https://issues.apache.org/jira/browse/FINERACT-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18061391#comment-18061391
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Piotr Wargulak commented on FINERACT-2507:
------------------------------------------
I've pinpoint the delay to the:
`org.springframework.batch.integration.partition.MessageChannelPartitionHandler#pollReplies`
{code:java}
Poller<Set<StepExecution>> poller = new DirectPoller<>(pollInterval);
Future<Set<StepExecution>> resultsFuture = poller.poll(callback);
if (timeout >= 0) {
return resultsFuture.get(timeout, TimeUnit.MILLISECONDS);
}
else {
return resultsFuture.get();
} {code}
The DirectPoller checks each `pollInterval` milliseconds whether a `Loan COB
partition - Step` has finished.
The `pollInterval` is ultimately controlled by `
fineract.partitioned-job.partitioned-job-properties[0].poll-interval` property,
with default value 10000ms.
This can be changed via `LOAN_COB_POLL_INTERVAL` env variable.
Changing the LOAN_COB_POLL_INTERVAL to lower value, for example 500ms, directly
lowers the `Loan COB partition - Step` execution time.
Resulting in log:
{code:java}
fineract-custom | 2026-02-26 15:16:55.370
[loanCOBCatchUpThreadPoolTaskExecutor-1] INFO o.s.batch.core.step.AbstractStep
- Step: [Loan COB partition - Step] executed in 510ms {code}
h2. But
After some time, after the change to LOAN_COB_POLL_INTERVAL, and after my
deployment got more data (not much, it was still a local development), the COB
speed up even more. It did not survive restart.
I suspect it is caused by the `DirectPoller` doing `poll -> wait -> poll ->
...`, which makes it possible that a partition will finish before 1st Poller
check.
> COB Catch-Up Execution time on empty DB takes 10s per day
> ---------------------------------------------------------
>
> Key: FINERACT-2507
> URL: https://issues.apache.org/jira/browse/FINERACT-2507
> Project: Apache Fineract
> Issue Type: Bug
> Components: Job Scheduler, Loan
> Reporter: Piotr Wargulak
> Priority: Minor
>
> The Loan COB Job execution takes more then 10s per day, using default
> fineract setup and "empty" database with a single Loan.
> Log:
> {code:java}
> ...
> fineract-custom | 2026-02-26 14:49:34.385
> [loanCOBCatchUpThreadPoolTaskExecutor-1] INFO
> o.s.batch.core.step.AbstractStep - Step: [Loan COB partition - Step] executed
> in 15s33ms
> ...{code}
>
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