Dell C6100, CPU and RAM is not the issue. Tried recording on local as well as NFS. Hard drives are SSDs.
Wanted to add an update here,
One thing we found is that its combination of G729 + Recording, Forcing the codec to G711 seems to be no issue.

Thank you,

On Wed, Jan 16, 2019 at 12:53 PM Guillermo Ruiz Camauer <grcamauer@gmail.com> wrote:
On what hardware?  Specially, on what type and number of disks?

Guillermo

On Wed, Jan 16, 2019 at 2:00 PM Jai Rangi <jprangi@gmail.com> wrote:
Not many, 60 to 70.

On Tue, Jan 15, 2019 at 4:25 PM Guillermo Ruiz Camauer <grcamauer@gmail.com> wrote:
How many sessions are you recording simultaneously?  Does it occuer when the machine has no load?

Guillermo

On Mon, Jan 14, 2019 at 7:48 PM Jai Rangi <jprangi@gmail.com> wrote:
We experience poor call quality when recording is on. We are using record_session to do call recording.

session:execute("record_session","$${recordings_dir}/${uuid}.mp3")

Any one else experiencing similar issue? Any comment on recording wav vs mp3. 

Thank you,
Jai
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