On 10-05-2015 7:30, Niels de Vos wrote:
[...]
This shows two read calls over the network:
1. offset: 0; size: 131072
2. offset: 131072; size: 131072
There are no lseek() requests for SEEK_HOLE/SEEK_DATA sent over the
network. Looking into the operations (FOPs) that are available to the
Gluster xlators, it seems that there is no lseek() FOP. For normal
lseek() requests, the position of the file-descriptor is kept
client-side, so there is no need for the server to support it. However,
for SEEK_HOLE/SEEK_DATA, the server needs to do some actions.
For all I can see there is currently no support for SEEK_HOLE/SEEK_DATA
in Gluster, but it seems not too difficult to add.
Thanks for confirming.
Please file a feature
request in Bugzilla:
https://bugzilla.redhat.com/enter_bug.cgi?product=GlusterFS&component=core&keywords=FutureFeature
BZ:
https://bugzilla.redhat.com/show_bug.cgi?id=1220173
Do you have an interest do implement this, or could it be a project that
we can give to new contributors that would like to develop something for
Gluster?
Right now, I'm more interested in improving oVirt's gluster support.
I will start another thread...
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