On Mon, Mar 21, 2016 at 01:05:09PM -0700, Andy Zhou wrote: > On Fri, Mar 18, 2016 at 6:08 PM, Ben Pfaff <b...@ovn.org> wrote: > > > On Thu, Mar 03, 2016 at 12:13:24AM -0800, Andy Zhou wrote: > > > Add a global lock to serialize all OVSDB operations. It is a simple > > > locking scheme to implement and to reason about correctness, without > > > much changes to core of OVSDB implementation. > > > > > > Signed-off-by: Andy Zhou <az...@ovn.org> > > > > I don't understand yet what 'mutex' protects. Maybe it will become more > > clear as I read more patches. > > > It protects all shared resources. For example, if any sessions shares > common 'db_mon' objects. > This lock effectively serializes all sessions request handling. It is > definitely an overkill, but easier > to get started with multithreading. I will add more comments about this.
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