+1, that would be a good api addition.
On Mon, Jan 30, 2012 at 10:10 AM, Mahadev Konar <[email protected]> wrote: > Keywal, > Right now there isnt anyway for the client to tell which version of > server its talking to. You can probably hack something around the stat > command: > > echo stat | nc hostname clientport to get the version, but other than > that we dont have such an api. I think its probably worth having such > an api implemented. > > Here is the output of stat on my laptop: > > ----------------------- > Zookeeper version: 3.4.2--1, built on 01/30/2012 17:43 GMT > Clients: > /127.0.0.1:54951[0](queued=0,recved=1,sent=0) > > Latency min/avg/max: 0/0/0 > Received: 1 > Sent: 0 > Outstanding: 0 > Zxid: 0x500000001 > Mode: follower > Node count: 7 > -------------------- > > thanks > mahadev > > On Mon, Jan 30, 2012 at 1:04 AM, N Keywal <[email protected]> wrote: >> Hello, >> >> What's the recommended way for a client to get the version of the server >> it's connected to? >> >> I would like to write a (java) client that uses the "multi" function >> available since 3.4.x, with a fall-back implementation if the server is a >> 3.3. Or at the very least to check that the server is a 3.4+ before using >> "multi". >> >> I looked at the java client API but I didn't find a way to get this info. >> >> When the client uses "multi" when connected to a 3.3 server, it hangs (I >> was hoping for something like KeeperException.UnimplementedException, but >> it's not the case). >> >> Thanks in advance for your help, >> >> N. > > > > -- > Mahadev Konar > Hortonworks Inc. > http://hortonworks.com/
