[undertow-dev] Is a large number of IO threads acceptable?

Bill O'Neil bill at dartalley.com
Fri Jul 8 08:24:09 EDT 2016


This is exactly what the worker thread pool is built for why would you want
to use the IO threads instead? The IO threads are for reading / writing to
the socket of the HTTP request. All blocking operations SHOULD be
dispatched to worker threads.

On Fri, Jul 8, 2016 at 8:20 AM, Chandru <chandru.in at gmail.com> wrote:

> If I have a HTTP service where every request requires a blocking JDBC
> call, is it acceptable to increase the number of IO threads to a large
> value (say, 10*cores) instead of dispatching to worker thread pool on each
> request?
>
> Will configuring such a large number of IO threads lead to any adverse
> effect on throughput or latency?
>
> --
> Chandra Sekar.S
>
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