Thanks paul
Yes listing v2 is not supported yet. I checked metadata osds and all of them 
are 600gb 10k hdd I dont think this was the issue.
I will test the --allow-unordered


Regards
________________________________
From: Paul Emmerich <paul.emmer...@croit.io>
Sent: Thursday, October 17, 2019 10:00 AM
To: Arash Shams <ara...@hotmail.com>
Cc: ceph-users@ceph.io <ceph-users@ceph.io>
Subject: Re: [ceph-users] RadosGW cant list objects when there are too many of 
them

Listing large buckets is slow due to S3 ordering requirements, it's
approximately O(n^2).
However, I wouldn't consider 5M to be a large bucket, it should go to
only ~50 shards which should still perform reasonable. How fast are
your metadata OSDs?

Try --allow-unordered in radosgw-admin to get an unordered result
which is only O(n) as you'd expect.

For boto3: I'm not sure if v2 object listing is available yet (I think
it has only been merged into master but has not yet made it into a
release?). It doesn't support unordered listing but there has been
some work to implement it there, not sure about the current state.



Paul

--
Paul Emmerich

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On Thu, Oct 17, 2019 at 9:19 AM Arash Shams <ara...@hotmail.com> wrote:
>
> Dear All
>
> I have a bucket with 5 million Objects and I cant list objects with
> radosgw-admin bucket list --bucket=bucket | jq .[].name
> or listing files using boto3
>
>     s3 = boto3.client('s3',
>                       endpoint_url=credentials['endpoint_url'],
>                       aws_access_key_id=credentials['access_key'],
>                       aws_secret_access_key=credentials['secret_key'])
>
>     response = s3.list_objects_v2(Bucket=bucket_name)
>     for item in response['Contents']:
>         print(item['Key'])
>
> what is the solution ? how can I find list of my objects ?
>
>
>
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