Norman, Do you have a link handy for the relevant change?
Should there perhaps be a different option to retain visibility into NIO memory usage? Seems strange to set the max direct memory to 0 in order to measure direct memory usage! On Mon, Oct 31, 2016 at 1:57 AM, 'Norman Maurer' via Netty discussions < [email protected]> wrote: > Hey Sergey, > > by default we now allocate direct memory without going through Bits to > eliminate some slowdown which is caused the the openjdk impl. > > If you want to have the mean back just use the following system property: > -Dio.netty.maxDirectMemory=0 > > This will give you the “old” behaviour. > > Bye, > Norman > > > On 24 Oct 2016, at 16:25, Sergey Polovko <[email protected]> wrote: > > Hi, > > Sorry if this will be duplicate, but it seems that previous message was > not sent. > > After upgrading Netty from 4.0.35 to 4.1.6 in our project direct memory > pool is not used anymore (see brown line in attached graph). This data were > received with BufferPoolMXBean.getMemoryUsed() method. We do not use > special io.netty.* options, so basically Netty used with default > configuration. Also I can’t find in documentation that memory allocation > scheme will be changed. > Is this behaviour expected for Netty 4.1.x? > > Platform: Linux x86_64 > JVM: HotSpot(TM) build 1.8.0_66-b17 > GC options: -XX:+UseG1GC -XX:MaxGCPauseMillis=500 -Xms2048m -Xmx2048m > > -- > Sergey > > <memory_usage.png> > > -- > You received this message because you are subscribed to the Google Groups > "Netty discussions" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/netty/2571FA2C-EE60-46D2-88F2-1CA14678A522%40yandex-team.ru > <https://groups.google.com/d/msgid/netty/2571FA2C-EE60-46D2-88F2-1CA14678A522%40yandex-team.ru?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > > -- > You received this message because you are subscribed to the Google Groups > "Netty discussions" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/netty/7A4B22BC-9A82-44C6-AEA7-0C3D83AF2BEA%40googlemail.com > <https://groups.google.com/d/msgid/netty/7A4B22BC-9A82-44C6-AEA7-0C3D83AF2BEA%40googlemail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Netty discussions" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/netty/CA%2B%3DgZKD7686-kHphCqABV7t1%2BDkurTSWWSy9%2BOi_mjyK4NoL%2Bw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
