Because HDFS doesn't follow the file semantics that Solr expects.
There's quite a bit of background here:
https://issues.apache.org/jira/browse/SOLR-8335
Best,
Erick
On Sun, Aug 26, 2018 at 6:47 PM zhenyuan wei wrote:
>
> Hi all，
> I found an exception when running Solr on HDFS。The detail is
Yes, you can use the "node placement rules", see:
https://lucene.apache.org/solr/guide/6_6/rule-based-replica-placement.html
This is a variant of "rack awareness".
Of course the simplest way if you're not doing very many collections is to
create the collection with the special "EMPTY" createNodeS
Thanks Shawn. When using multiple Solr instances per host, is there any way
to prevent solrcloud from putting multiple replicas of the same shard on
same host?
I see it makes sense if we can splitting into multiple instances with
smaller heap size. Besides that, do you think multiple instances will
Hi Jan,
Please find attached security.json file.
Please let me know if you need anything else.
Thanks & Regards
Piyush Rathor
Consultant
Please consider the environment before printing.
-Original Message-
From: Jan Høydahl
Sent: Friday, August 24, 2018 7:45 PM
To: solr-user@lucene.apac
Hi all，
I found an exception when running Solr on HDFS。The detail is：
Running solr on HDFS，and update doc was running always，
then，kill -9 solr JVM or reboot linux os/shutdown linux os，then restart all.
The exception appears like：
2018-08-26 22:23:12.529 ERROR
(coreContainerWorkExecutor-2-thr
This is exactly why I asked what Solr version they were running, to see if they
had the vulnerability. We still have no idea about Solr, OS, or JVM versions.
wunder
Walter Underwood
wun...@wunderwood.org
http://observer.wunderwood.org/ (my blog)
> On Aug 26, 2018, at 5:25 AM, Shawn Heisey wrote
On 8/25/2018 9:21 PM, Erick Erickson wrote:
This is probably CVE-2017-12629, see SOLR-11482, SOLR-11477 for
specific versions that have been patched and upgrade. You also need
to, as Jan suggested, figure out a way to be absolutely sure that your
installation is cleaned before you can be sure tha
On 8/26/2018 12:00 AM, Wei wrote:
I have a question about the deployment configuration in solr cloud. When
we need to increase the number of shards in solr cloud, there are two
options:
1. Run multiple solr instances per host, each with a different port and
hosting a single core for one shard.
