[cdwg] Lustre 2.5 Development Planning

[Sebastien Buisson]

Hi there,

At first glance, here is the list of things we would like to see in 
Lustre 2.5:
- HSM;
- single client performance improvements;
- single shared file performance improvements.

Thanks,
Sebastien.


Le 01/06/2013 01:00, Christopher J. Morrone a écrit :
> Ok, I guess I'll start things off.  Here is my first pass at things I
> would like to see done by 2.5:
>
> LU-793 - Reconnections should not be refused when there is a request in
> progress from this client.
> LU-2498 - set block device IO scheduler to "deadline"
> LU-1199 - lustre build system overhaul
> LU-2182 - New llapi_layout API implementation
> LU-3338 - IOC_MDC_GETFILESTRIPE can abuse vmalloc()
> LU-2158 - remove lvfs and fsfilt code
> LU-2161 - Remove last traces of obdfilter
> LU-2096 - name ofd device type "ofd" instead of "obdfilter"
> LU-911 - OFD Supporting Proc Updates
> LU-2613 - opening and closing file can generate 'unrelaimable slab' space
> LU-2259 - e2fsprogs: rename liblustreapi.h with lustreapi.h
> LU-2600 - lustre metadata performance is very slow on zfs
> LU-2476 - poor OST file creation rate performance with zfs backend
> LU-2139 - track unstable pages on client
> LU-1784 - freeing cached clean pages is slow
> LU-744 - Single client's performance degradation on 2.1
> LU-576 - Incorrect build dependencies listed for libcfsutil.a
> LU-2800 - build: clean out old autoconf options
>
> Chris
>
> On 05/22/2013 10:41 AM, Christopher J. Morrone wrote:
>> Hi folks,
>>
>> Please send us your list of planned development items for Lustre 2.5! In
>> two weeks at the next CDWG meeting we will be looking at the list of
>> proposed work and making our first, best attempt at pare it down to a
>> reasonable set of work for Lustre 2.5.
>>
>> If you have a new feature that you believe will be ready to land with in
>> the three month feature-landing window of Lustre 2.5, NOW is the time to
>> tell us!
>>
>> If you have pet bugs that are stuck on the back burner and need to be
>> made a development priority for Lustre 2.5, NOW is the time to tell us!
>>
>> Your input is crucial if we are to properly scope the amount of change
>> that we will introduce for Lustre 2.5, and properly scoping the work is
>> a requirement if we are to produce a solid, on-time software release.
>>
>> So don't delay!  Send us your list of desired Lustre 2.5 development
>> items to this mailing list as soon as possible.
>>
>> Then, join us in the next CDWG call on June 5th to help us choose the
>> subset of work that we believe is achievable* for Lustre 2.5.
>>
>> Chris
>>
>> * Not that this list will only be our best attempt at scoping what is
>> reasonable, and is by no means a guarantee that any particular item will
>> appear in Lustre 2.5.
>> .
>>
>
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