Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Accumulo, mail # user - remote accumulo instance issue


Copy link to this message
-
Re: remote accumulo instance issue
John Vines 2013-05-08, 15:25
Is that remote instance behind a firewall or anything like that?
On Wed, May 8, 2013 at 11:09 AM, Marc Reichman <[EMAIL PROTECTED]
> wrote:

> I have seen this as ticket ACCUMULO-687 which has been marked resolved,
> but I still see this issue.
>
> I am connecting to a remote accumulo instance to query and to launch
> mapreduce jobs using AccumuloRowInputFormat, and I'm seeing an error like:
>
> 91 [main-SendThread(padres.home:2181)] INFO
> org.apache.zookeeper.ClientCnxn  - Socket connection established to
> padres.home/192.168.1.160:2181, initiating session
> 166 [main-SendThread(padres.home:2181)] INFO
> org.apache.zookeeper.ClientCnxn  - Session establishment complete on server
> padres.home/192.168.1.160:2181, sessionid = 0x13e7b48f9d17af7, negotiated
> timeout = 30000
> 1889 [main] WARN org.apache.accumulo.core.client.impl.ServerClient  -
> Failed to find an available server in the list of servers:
> [192.168.1.164:9997:9997 (120000), 192.168.1.192:9997:9997 (120000),
> 192.168.1.194:9997:9997 (120000), 192.168.1.162:9997:9997 (120000),
> 192.168.1.190:9997:9997 (120000), 192.168.1.166:9997:9997 (120000),
> 192.168.1.168:9997:9997 (120000), 192.168.1.196:9997:9997 (120000)]
>
> My zookeeper's "tservers" key looks like:
> [zk: localhost:2181(CONNECTED) 1] ls
> /accumulo/908a756e-1c81-4bea-a4de-675456499a10/tservers
> [192.168.1.164:9997, 192.168.1.192:9997, 192.168.1.194:9997,
> 192.168.1.162:9997, 192.168.1.190:9997, 192.168.1.166:9997,
> 192.168.1.168:9997, 192.168.1.196:9997]
>
> My masters and slaves file look like:
> [hadoop@padres conf]$ cat masters
> 192.168.1.160
> [hadoop@padres conf]$ cat slaves
> 192.168.1.162
> 192.168.1.164
> 192.168.1.166
> 192.168.1.168
> 192.168.1.190
> 192.168.1.192
> 192.168.1.194
> 192.168.1.196
>
> tracers, gc, and monitor are the same as masters.
>
> I have no issues executing on the master, but I would like to work from a
> remote host. The remote host is on a VPN, and its default resolver is NOT
> the resolver from the remote network. If I do reverse lookup over the VPN
> *using* the remote resolver it shows proper hostnames.
>
> My concern is that something is causing the "host:port" entry plus the
> port to come up with this concatenated view of host:port:port, which is
> obviously not going to work.
>
> What else can I try? I previously had hostnames in the masters/slaves/etc.
> files but now have the IPs. Should I re-init the instance to see if it
> changes anything in zookeeper?
>