[Bugs] [Bug 1305752] New: REF : Provide an api to compute gfid based hash on libgfapi layer

bugzilla at redhat.com bugzilla at redhat.com
Tue Feb 9 06:33:46 UTC 2016


https://bugzilla.redhat.com/show_bug.cgi?id=1305752

            Bug ID: 1305752
           Summary: REF : Provide an api to compute gfid based hash on
                    libgfapi layer
           Product: GlusterFS
           Version: mainline
         Component: libgfapi
          Keywords: FutureFeature, Triaged
          Severity: medium
          Priority: medium
          Assignee: jthottan at redhat.com
          Reporter: jthottan at redhat.com
        QA Contact: sdharane at redhat.com
                CC: bugs at gluster.org, kkeithle at redhat.com,
                    ndevos at redhat.com, skoduri at redhat.com



Description of problem:

The afr uses gfid based hashing which selects one of the available subvolumes
for read operation[1]. If a similar api is written in gfapi, we can perform
load balancing at libgfapi layer.



Additional info: 

[1] afr_read_subvol_select_by_policy() in 
https://github.com/GlusterFS/glusterfs/blob/master/xlators/cluster/afr/src/afr-common.c

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