Sumit, Yes, that's the reason.
Best, Siyuan On Tue, Dec 2, 2014 at 5:33 PM, Sumit Mohanty <smoha...@hortonworks.com> wrote: > Siyuan, > > can you clarify the underlying requirement that requires an application to > specify a percentage of available memory? One, as Steve suggested, could be > to ask for 51% of available on node to guarantee that only one instance can > be active on the node. Were there other reasons? > > -Sumit > > On Tue, Dec 2, 2014 at 5:29 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > I created SLIDER-691 for this feature. > > > > Cheers > > > > On Tue, Dec 2, 2014 at 7:09 AM, Steve Loughran <ste...@hortonworks.com> > > wrote: > > > > > I don't even think we can ask yarn for the percentage of memory > > > > > > I do understand what you are trying to do: ask for >51%. > > > > > > We could do something where we can query YARN for the maximum amount an > > app > > > can ask for (the AM finds this out when registered), and the capacity > > could > > > be derived as a percentage of that. > > > Rather than percentage of available RAM, it's just a fraction of what > you > > > are allowed. > > > > > > > > > On 2 December 2014 at 01:49, Sumit Mohanty <smoha...@hortonworks.com> > > > wrote: > > > > > > > That is not possible. The number provided (# of MB) is used to ask > for > > > > container from YARN and YARN only accepts numbers. > > > > > > > > % of total on each node also becomes an issue when nodes can have > > varying > > > > value of total memory available. This is common for heterogeneous > > > clusters > > > > where hosts may have different value for available memory and core, > > etc. > > > > > > > > On Mon, Dec 1, 2014 at 1:39 PM, hsy...@gmail.com <hsy...@gmail.com> > > > wrote: > > > > > > > > > Hi guys, > > > > > > > > > > For each component instance, Is there a way to specify the % of > total > > > > > memory of each node instead of # of MB? > > > > > > > > > > Best, > > > > > Siyuan > > > > > > > > > > > > > -- > > > > CONFIDENTIALITY NOTICE > > > > NOTICE: This message is intended for the use of the individual or > > entity > > > to > > > > which it is addressed and may contain information that is > confidential, > > > > privileged and exempt from disclosure under applicable law. If the > > reader > > > > of this message is not the intended recipient, you are hereby > notified > > > that > > > > any printing, copying, dissemination, distribution, disclosure or > > > > forwarding of this communication is strictly prohibited. If you have > > > > received this communication in error, please contact the sender > > > immediately > > > > and delete it from your system. Thank You. > > > > > > > > > > -- > > > CONFIDENTIALITY NOTICE > > > NOTICE: This message is intended for the use of the individual or > entity > > to > > > which it is addressed and may contain information that is confidential, > > > privileged and exempt from disclosure under applicable law. If the > reader > > > of this message is not the intended recipient, you are hereby notified > > that > > > any printing, copying, dissemination, distribution, disclosure or > > > forwarding of this communication is strictly prohibited. If you have > > > received this communication in error, please contact the sender > > immediately > > > and delete it from your system. Thank You. > > > > > > > -- > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You. >
