Thank you very much Ricardo, It's crystal clear.
Gérald Le ven. 19 juin 2020 à 18:01, Ricardo Ferreira <[email protected]> a écrit : > Gérald, > > Typically you should set the `num.io.threads` to something greater than > the # of disks since data hits the page cache and the disk. Using the > default of 8 when you have a JBOD of 12 attached volumes would cause an > increase of CPU context switching, for example. > > `num.network.threads` is usually fine since most machines have 1 or 2 > NIC's attached at tops and then the rule of *N + 1* suits the case. > However, you should double that if TLS is enabled in the broker. > > Thanks, > > -- Ricardo > On 6/19/20 8:56 AM, Gérald Quintana wrote: > > Hello, > > How do you size Kafka broker thread pools, in particular num.io.threads (8 > by default) and num.network.threads (3 by default) depending on the number > of CPU cores available on the host? > > Regards, > Gérald > > >
