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Re: [PATCH 1/5] multifd: Create property multifd-sync-each-iteration


From: Juan Quintela
Subject: Re: [PATCH 1/5] multifd: Create property multifd-sync-each-iteration
Date: Mon, 04 Jul 2022 18:07:31 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)

"Dr. David Alan Gilbert" <dgilbert@redhat.com> wrote:
> * Juan Quintela (quintela@redhat.com) wrote:
>> We used to synchronize all channels at the end of each RAM section
>> sent.  That is not needed, so preparing to only synchronize once every
>> full round in latests patches.
>> 
>> Notice that we initialize the property as true.  We will change the
>> default when we introduce the new mechanism.
>
> I don't understand why this is a property - does it break the actual
> stream format?

Yeap.

You can see on following patches.  The problem is that we synchronize
each time that we sent/receive a

RAM_SAVE_FLAG_EOS

And that is way too much.  As Leo showed, it can be as much as 20 times
a second.

Later, Juan.




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