I have an existing collection
http://10.2.12.239:11080/solr/test/select?q=*:*&rows=0
{
"responseHeader":{
"zkConnected":true,
"status":0,
"QTime":121,
"params":{
"q":"*:*",
"rows":"0"}},
"response":{"numFound":150,"start":0,"maxScore":1.0,"docs":[]
}}
ls ls data?/index/shard?/
d*ata1/index/shard1:
test_shard2_replica_n2 solr
data1/index/shard2:
test_shard4_replica_n5
data2/index/shard1:
test_shard3_replica_n3
data2/index/shard2:
test_shard1_replica_n1 *
...
1. deleted /collections from zookeeper
bin/solr zk rm -r /collections -z localhost:2181
2. restart solr cloud
bin/solr stop -all
bin/solr -c -s data1/index/shard1/ -p 11080 -z localhost:2181
bin/solr -c -s data1/index/shard2/ -p 12080 -z localhost:2181
bin/solr -c -s data2/index/shard1/ -p 13080 -z localhost:2181
bin/solr -c -s data2/index/shard2/ -p 14080 -z localhost:2181
bin/solr -c -s data3/index/shard1/ -p 15080 -z localhost:2181
bin/solr -c -s data3/index/shard2/ -p 16080 -z localhost:2181
bin/solr -c -s data4/index/shard1/ -p 17080 -z localhost:2181
bin/solr -c -s data4/index/shard2/ -p 18080 -z localhost:2181
3. checked again for data
ls data?/index/shard?/
*data1/index/shard1/:*
*data1/index/shard2/:
data2/index/shard1/:
data2/index/shard2/:
data3/index/shard1/:
data3/index/shard2/:
data4/index/shard1/:
data4/index/shard2/:*
All cores are wiped
On Wed, Jan 9, 2019 at 11:39 PM lstusr 5u93n4 <[email protected]> wrote:
> 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 previous collection data and starts
> new.
>
> In our case, this was due to a startup script that checked for the
> existence of a collection and created it if non-existent. When not present
> in ZK, solr (as it should) didn't return that collection in it's list of
> collections so we created it...
>
> Possible that you have something similar in your workflow?
>
> Kyle
>
> On Wed, 9 Jan 2019 at 10:22, Erick Erickson <[email protected]>
> wrote:
>
> > 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 Yogendra Kumar Soni
> > <[email protected]> wrote:
> > >
> > > 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 Kumar Soni*
> >
>
--
*Thanks and Regards,*
*Yogendra Kumar Soni*
