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From Jan Høydahl <jan....@cominvent.com>
Subject Re: SolrCloud required ports
Date Tue, 04 Dec 2018 22:39:37 GMT
STOP_PORT is only useful from localhost anyway, so no use in opening it up.
JMX port only useful if you need to monitor the cluster using JMX and not metrics API

--
Jan Høydahl, search solution architect
Cominvent AS - www.cominvent.com

> 3. des. 2018 kl. 18:43 skrev Erick Erickson <erickerickson@gmail.com>:
> 
> Others from the bin/solr script. Note that some are optional (JMX).
> But to emphasize what Jan said: All these are configurable so you need
> to make sure that whoever set up your system doesn't set these to
> something else.
> 
>    echo "  -p <port>     Specify the port to start the Solr HTTP
> listener on; default is 8983"
>    echo "                  The specified port (SOLR_PORT) will also
> be used to determine the stop port"
>    echo "                  STOP_PORT=(\$SOLR_PORT-1000) and JMX RMI
> listen port RMI_PORT=(\$SOLR_PORT+10000). "
>    echo "                  For instance, if you set -p 8985, then the
> STOP_PORT=7985 and RMI_PORT=18985"
> On Mon, Dec 3, 2018 at 4:00 AM Moshe Recanati | KMS <mosher@kmslh.com> wrote:
>> 
>> Hi Jan,
>> Thank you.
>> To summarize we need to open these ports within the cluster:
>> 8983
>> 2181
>> 2888
>> 3888
>> 
>> 
>> 
>> Regards,
>> Moshe Recanati
>> CTO
>> Mobile  + 972-52-6194481
>> Skype    :  recanati
>> 
>> More at:  www.kmslh.com | LinkedIn | FB
>> 
>> -----Original Message-----
>> From: Jan Høydahl <jan.asf@cominvent.com>
>> Sent: Monday, December 3, 2018 12:43 PM
>> To: solr-user <solr-user@lucene.apache.org>
>> Subject: Re: SolrCloud required ports
>> 
>> Hi
>> 
>> This depends on your exact coniguration, so you should ask the engineers who deployed
ZK and Solr, not this list.
>> 
>> If default solr port is used, you'd need at least 8983 open between servers and from
the app server to the cluster.
>> If default zk port is used, you'd need port 2181 open between all three servers but
not externally (unless you use a client that needs to talk to zk) Also zk needs to communicate
internally in the quorum on two other ports, which could be using ports 2888 and 3888 but
could also be something else depending on your exact configs. These will never need to be
open outside the cluster.
>> 
>> --
>> Jan Høydahl, search solution architect
>> Cominvent AS - www.cominvent.com
>> 
>>> 3. des. 2018 kl. 09:22 skrev Moshe Recanati | KMS <mosher@kmslh.com>:
>>> 
>>> Hi,
>>> We're currently running SolrCloud with 3 servers: 3 ZK and 3 Search Engines.
Each one on each machine.
>>> Our security team would like to open only the required ports between the servers.
>>> Please let me know which ports we need to open between the servers?
>>> 
>>> Thank you
>>> 
>>> Regards,
>>> Moshe Recanati
>>> CTO
>>> Mobile  + 972-52-6194481 <tel:+%20972-52-6194481>
>>> Skype    :  recanati
>>> 
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