Chris,
These are the steps to reproduce the issue not actually deleting it.
Solr is deleting data if it doesn't find collections folder in zookeeper.
On Thu, Jan 10, 2019, 6:32 PM Chris Ulicny Out of curiosity, why are you manually deleting nodes in zookeeper?
>
> It's always seemed to me that
Out of curiosity, why are you manually deleting nodes in zookeeper?
It's always seemed to me that the majority (definitely not all) of
modifications needed during normal operations can usually be done through
Solr's APIs.
Thanks,
Chris
On Thu, Jan 10, 2019 at 12:04 AM Yogendra Kumar Soni <
I have an existing collection
http://10.2.12.239:11080/solr/test/select?q=*:*=0
{
"responseHeader":{
"zkConnected":true,
"status":0,
"QTime":121,
"params":{
"q":"*:*",
"rows":"0"}},
"response":{"numFound":150,"start":0,"maxScore":1.0,"docs":[]
}}
ls ls
We've seen the same thing on solr 7.5 by doing:
- create a collection
- add some data
- stop solr on all servers
- delete all contents of the solr node from zookeeper
- start solr on all nodes
- create a collection with the same name as in the first step
When doing this, solr wipes out the
Solr doesn't just remove directories, this is very likely
something in your environment that's doing this.
In any case, there's no information here to help
diagnose. You must tell us _exactly_ what steps
you take in order to have any hope of helping.
Best,
Erick
On Wed, Jan 9, 2019 at 2:48 AM
We are running a solr cloud cluster using solr 7.4 with 8 shards. When we
started our solr cloud with a zookeeper node (without collections directory
but with only solr.xml and configs) our data directory containing
core.propery and cores data becomes empty.
--
*Thanks and Regards,*
*Yogendra
