Re: [ANNOUNCE] keepalived 2.0.1

The one issue we saw is an increase in the invalid conntracks counter. Will investigate that further.

Damien
On Fri, 2018-06-15 at 12:03 +0000, Damien Clabaut wrote:
> Hello Alexandre, Quentin,
> 
> We finally have had time to start our tests on Keepalived 2.0.2, with our usual patches (mostly, enabling json at compilation).
> 
> The test setup is as follows:
> 2 servers (xeon e5 + Intel 82599ES) are connected together through a switch (2*10G LACP from each server to the switch).
> 
> We use the template we pushed to the Keepalived repo to spawn 398 VRRP instances (vlans 2-200, one instance per vlan per IP version) with the
> track_file option (each instance track a different file) on each server.
> 
> Then, we have an isolation tool, that will basically collect the state of the system from JSON, then write "-100" in the files tracked by each
> instance (we do 1 instance every second to have a smooth migration). The script then waits for all instances to be in the BACKUP state, before
> reversing everything.
> 
> We left that running in a loop overnight (75 runs of the loop). Each run takes around 800 seconds (~400 instances, 2 movements per instance, 1
> movement per second).
> 
> Results:
> - Used CPU/RAM do not increase over time
> - We use about 20% of 1 core for softirq
> - No instance ever went to FAULT state
> - Even after so many runs of the loop, each run takes the same time
> 
> Congratulations on making something this stable, we will be happy to keep testing before putting Keepalived 2.0.2 in production.
> 
> Next test, which will take place over the weekend, will be the same as described above but with more instances (probably over 2000, so we can see
> what
> happens when we have more than 100% of 1 core used by softirq).
> 
> Regards,
> Damien
> OVH vRouter team
> 
> On Tue, 2018-06-05 at 13:34 +0000, Damien Clabaut wrote:
> > Thank you for your answer, I will test this thoroughly.
> > Damien
> > On Tue, 2018-06-05 at 14:02 +0100, Quentin Armitage wrote:
> > > Damien,
> > > 
> > > The move from v1.4.5 to v2.0.0 was exactly merging the Beta branch in Master, i.e. I executed
> > > git merge beta
> > > and pushed the merged branch.
> > > 
> > > The main changes since 2018-05-11 which are included in v2.0.0 are:
> > > Making notifications consistent across SNMP, notify scripts, notify FIFOs and SMTP messages
> > > Detecting virtual ip address deletions and transitioning to backup (it will subsequently transition to master unless another instance becomes
> > > master)
> > > Handling interface deletion, transitioning to fault, and then backup once interface restored.
> > > Sundry fixes/improvements
> > > 
> > > Additions for v2.0.1
> > > Handling VMAC deletion and restoring VMACs
> > > Handing virtual route deletion either due to the route being explicitly deleted or and interface going down
> > > Support for new ip rule options in Linux 4.17
> > > Sundry fixes/improvements
> > > 
> > > Coming soon
> > > Handling virtual rule deletions
> > > Handling static address, route and rule deletions
> > > 
> > > Once the handling of all address, route and rule deletions is completed, then keepalived should be able to fully support hot-swapping of NICs.
> > > 
> > > Quentin
> > > 
> > > On Tue, 2018-06-05 at 11:46 +0000, Damien Clabaut wrote:
> > > > Hello Alexandre,
> > > > 
> > > > This is great news! 
> > > > 
> > > > Can you confirm that the move from 1.X to 2.0 is "just" merging the Beta branch to Master ?
> > > > 
> > > > We have tested Git Beta branch from 2018-05-11, should we expect a lot of change ?
> > > > 
> > > > Regards,
> > > > On Mon, 2018-06-04 at 19:23 +0200, Alexandre Cassen wrote:
> > > > > Hello,
> > > > > 
> > > > > New release, with some updates and extensions.
> > > > > 
> > > > > This code can be found on www.keepalived.org website or on 
> > > > > https://github.com/acassen/keepalived.
> > > > > 
> > > > > ChangeLog for this release is :
> > > > > 
> > > > > 2018-06-04 Quentin Armitage <[email protected]>
> > > > > 	* keepalived-2.0.1
> > > > > 	* Remove '\n' characters from log_message() text.
> > > > > 	* Allow IPv6 ip rules to be specified using fwmarks.
> > > > > 	* Fix configure generation of keepalived.spec file.
> > > > > 	* Stop rebuilding scheduler.o every make.
> > > > > 	* Remove ' characters from configure args in keepalived -v
> > > > > 	  output.
> > > > > 	* Remove duplicate reporting of network namespace in config
> > > > > 	  dumps
> > > > > 	* Add ${_INSTANCE} config parameter.
> > > > > 	* Remove debugging log message.
> > > > > 	* Recalculate max_fd used for select if it should reduce.
> > > > > 	* Add tracking of virtual routes.
> > > > > 	  If a virtual route is deleted, by default to vrrp instance
> > > > > 	  will now transition to backup mode, and if it transitions to
> > > > > 	  master again the route will be re-added. If an interface on
> > > > > 	  which a route is configured is down, then the instance will go
> > > > > 	  to fault state, since the route cannot be added.
> > > > > 	  This commit also adds a no-track option for routes, which
> > > > > 	  means that deletion of the route will not cause the vrrp
> > > > > 	  instance to transition to backup.
> > > > > 	* Handle interface down at startup with tracked route configured
> > > > > 	  on it. If a virtual route which is tracked is configured on an
> > > > > 	  interface that is down at startup, then the vrrp instance
> > > > > 	  needs to start in fault state.
> > > > > 	* Rename netlink_reflect_filter() to netlink_link_filter()
> > > > > 	  The function only handles RTM_NEWLINK/RTM_DELLINK messages and
> > > > > 	  there are other functions to handle other message types.
> > > > > 	* Fix compilation warning.
> > > > > 	* Make recreating deleted VMACs work.
> > > > > 	* Fix Travis-CI compilation failure and warning.
> > > > > 	* Stop duplicate definition and duplicate include in
> > > > > 	  vrrp_iproute.c.
> > > > > 	* Add new ip rule options for Linux 4.17
> > > > > 	  FRA_PROTOCOL, FRA_IP_PROTO, FRA_SPORT_RANGE and
> > > > > 	  FRA_DPORT_RANGE have been added in Linux 4.17.
> > > > > 
> > > > > 
> > > > > regs,
> > > > > Alexandre
> > > > > 
> > > > > ------------------------------------------------------------------------------
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-- 
Damien Clabaut
R&D vRouter
OVH
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