Hi Dridi,
Thanks for your response and the details.
I did get the info on PESI from someone from the varnish plus team.
Would certainly look into it but being a young company, would have also
factor in the cost considering our web traffic.
Thanks,
Pinakee
On 11/03/19 1:39 PM, Dridi Boukelmoune wrote:
Hello Pinakee,
On Tue, Mar 5, 2019 at 8:16 AM Pinakee BIswas <[email protected]> wrote:
Hi,
We are using varnish 4.1.8 and Django 1.11 for our application.
We are using ESI to break down caching on a page. Part of pages which
are dynamically loaded are fetched from the backend server using ESI but
if there are multiple ESI calls on a page, the server response time and
hence, the page loading increases. This is because of the increase in
the number of calls to the backend server before Varnish serves the page
to the client.
Could you please let me know if there is a way to optimize the above?
Unfortunately there's little you can do to lower the latency on heavy
ESI misses or passes with Varnish Cache.
Varnish Plus on the other hand has parallel ESI that should bring down
latency to the longest fetch instead of all of them:
https://info.varnish-software.com/blog/varnish-lab-parallel-esi
https://info.varnish-software.com/blog/parallel-versus-serial-esi-processing-benchmarks
Dridi
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