[Gluster-devel] DHT xlator, read and write a file during creating a new file

[Sanoj Unnikrishnan]

Do you have quota enabled ?
If you did may be the crawl has not happened yet on the directory (can take
a while on a deep hierarchy),


On Wed, May 3, 2017 at 9:57 PM, Tahereh Fattahi <t28.fattahi at gmail.com>
wrote:

> Hi
>
> I  test getfattr -d -m. -e hex ' <path > but i get different result:
> getfattr: Removing leading '/' from absolute path names
> # file: data/brick1/gv2/c
> trusted.gfid=0xae8c02978686440dac3754880dde5b93
> trusted.glusterfs.dht=0x000000010000000000000000ffffffff00000000
>
> maybe it is  better to create a new question a bout detail of directory
> divided by brik!
>
> On Wed, May 3, 2017 at 4:15 PM, Tahereh Fattahi <t28.fattahi at gmail.com>
> wrote:
>
>> Yes, it is ok
>> Is it possible to see this attribute in client side? In which xlator?
>>
>> On Wed, May 3, 2017 at 2:58 PM, Sanoj Unnikrishnan <sunnikri at redhat.com>
>> wrote:
>>
>>> I am not sure, if i got your requirement correctly.
>>> If you need to have the file count and directory count of each brick
>>> individually (without aggregation), you could get that by a getxattr of
>>> trusted.glusterfs.quota.size on the brick.
>>> The size xattr value can be interpreted as follows:
>>> getfattr -d -m. -e hex ' <path >
>>> size: first 16 bytes
>>> filecount: Next 16 bytes
>>> dircount: Last 16 bytes
>>>
>>> Regards,
>>> Sanoj
>>>
>>> On Wed, May 3, 2017 at 12:20 PM, Tahereh Fattahi <t28.fattahi at gmail.com>
>>> wrote:
>>>
>>>> Thank you
>>>> I need this information divided to bricks.
>>>>
>>>> On Tue, May 2, 2017 at 11:07 PM, Vijay Bellur <vbellur at redhat.com>
>>>> wrote:
>>>>
>>>>>
>>>>>
>>>>> On Tue, May 2, 2017 at 8:00 AM, Tahereh Fattahi <t28.fattahi at gmail.com
>>>>> > wrote:
>>>>>
>>>>>> Hi
>>>>>>
>>>>>> I want to use a file as a counter when I create a file in dht xlator.
>>>>>> I mean, after creating a new file,  I want open a file in the same
>>>>>> directory with a special name, read that, update the counter and write
>>>>>> back.
>>>>>> I think for this purpose I  should open in dht_create_cbk, read in
>>>>>> dht_open_cbk and write in dht_readv_cbk.
>>>>>> I think I should use dht_open , dht_readv and dht_writev. Maybe I
>>>>>> could create inputs for these function expect frame! is it correct to use
>>>>>> the frame fro dht_create function?
>>>>>>
>>>>>> Is this scenario correct or there is better way?
>>>>>>
>>>>>>
>>>>> Have you tried the object count feature [1] ?
>>>>>
>>>>> Regards,
>>>>> Vijay
>>>>>
>>>>> [1] http://gluster-documentations.readthedocs.io/en/latest/Featu
>>>>> res/quota-object-count/
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Gluster-devel mailing list
>>>> Gluster-devel at gluster.org
>>>> http://lists.gluster.org/mailman/listinfo/gluster-devel
>>>>
>>>
>>>
>>
>
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