Re: Fwd: [Breaking Change 0.24 & Upgrade path] ZooKeeper MasterInfo change.

2015-09-26 Thread CCAAT
On 09/25/2015 04:34 PM, Raúl Gutiérrez Segalés wrote: On Sep 25, 2015 9:08 AM, "Marco Massenzio" > wrote: > > +1 to what Alex says. > > As far as we know, the functionality we use (ephemeral sequential nodes and writing simple data to a

Re: Fwd: [Breaking Change 0.24 & Upgrade path] ZooKeeper MasterInfo change.

2015-09-25 Thread Marco Massenzio
+1 to what Alex says. As far as we know, the functionality we use (ephemeral sequential nodes and writing simple data to a znode) is part of the "base API" offered by ZooKeeper and every version would support it. (then again, not a ZK expert here - if anyone knows better, please feel free to

Re: Fwd: [Breaking Change 0.24 & Upgrade path] ZooKeeper MasterInfo change.

2015-09-25 Thread Raúl Gutiérrez Segalés
On Sep 25, 2015 9:08 AM, "Marco Massenzio" wrote: > > +1 to what Alex says. > > As far as we know, the functionality we use (ephemeral sequential nodes and writing simple data to a znode) is part of the "base API" offered by ZooKeeper and every version would support it. >

Fwd: [Breaking Change 0.24 & Upgrade path] ZooKeeper MasterInfo change.

2015-09-25 Thread Marco Massenzio
Folks: as a reminder, please be aware that as of Mesos 0.24.0, as announced back in June, Mesos Master will write its information (`MasterInfo`) to ZooKeeper in JSON format (see below for details). If your framework relied on parsing the info (either de-serializing the Protocol Buffer or just

Re: Fwd: [Breaking Change 0.24 & Upgrade path] ZooKeeper MasterInfo change.

2015-09-25 Thread CCAAT
On 09/25/2015 08:13 AM, Marco Massenzio wrote: Folks: as a reminder, please be aware that as of Mesos 0.24.0, as announced back in June, Mesos Master will write its information (`MasterInfo`) to ZooKeeper in JSON format (see below for details). What versions of Zookeeper are supported by

Re: Fwd: [Breaking Change 0.24 & Upgrade path] ZooKeeper MasterInfo change.

2015-09-25 Thread Alex Rukletsov
James— Marco will correct me if I'm wrong, but my understanding is that this change does *not* impact what ZooKeeper version you can use with Mesos. We have changed the format of the message stored in ZK from protobuf to JSON. This message is needed by frameworks for mesos master leader