Re: Set heap size

Posted by Piotr Nowojski on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/Set-heap-size-tp16273p16275.html

Hi,

Just log into the machine and check it’s memory consumption using htop or a similar tool under the load. Remember about subtracting Flink’s memory usage and and file system cache.

Piotrek

> On 19 Oct 2017, at 10:15, AndreaKinn <[hidden email]> wrote:
>
> About task manager heap size Flink doc says:
>
> ... If the cluster is exclusively running Flink, the total amount of
> available memory per machine minus some memory for the operating system
> (maybe 1-2 GB) is a good value....
>
> But my nodes have 2GB of ram each. There isn't an empirical count to set ram
> memory or a way to estimate the ram used by the OS?
>
>
>
> --
> Sent from: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/