Are you using Data Import Handler (DIH?)? The "clean" option there removes all the docs before running.
If not, then _someone_ is sending that command, Solr isn't generating it by itself. Best, Erick On Mon, Apr 24, 2017 at 12:35 PM, Saurav Maulick <saurav...@gmail.com> wrote: > No David. this is not in public domain. I have asked server team to check > incoming traffic IP also but they didn't find any thing. > > On Mon, Apr 24, 2017 at 3:28 PM, David Hastings < > hastings.recurs...@gmail.com> wrote: > >> you dont have to log in to the server to send the delete command. is the >> computers ip address public? >> >> >> On Mon, Apr 24, 2017 at 3:13 PM, Saurav Maulick <saurav...@gmail.com> >> wrote: >> >> > thanks Erick for quick replay. >> > >> > I the log file we have found that deleteByQuery entry. but i have checked >> > with windows team they have confirmed no one login the server on that >> time. >> > >> > see the log entry >> > >> > 2017-04-22 03:56:24.452 INFO >> > (coreZkRegister-1-thread-1-processing-n:XX.XX.XX.XX:1988_solr >> > x:ocdsolr_shard2_replica1 s:shard2 c:ocdsolr r:core_node1) [c:ocdsolr >> > s:shard2 r:core_node1 x:ocdsolr_shard2_replica1] >> > o.a.s.u.p.LogUpdateProcessorFactory [ocdsolr_shard2_replica1] >> > {add=[10697.45745.12329.21333 (1565267805698260992), >> > 10697.45745.11554.26776 (1565275671771480064), 10697.45745.13844.32189 >> > (1565282977827520512)],deleteByQuery=*:* (-1565280896874971136)} 0 2353 >> > >> > On Mon, Apr 24, 2017 at 2:35 PM, Erick Erickson <erickerick...@gmail.com >> > >> > wrote: >> > >> > > Solr does not delete files/documents by itself with the exception of >> > > TTL (Time To Live, since Solr 4.8. See: >> > > https://lucidworks.com/2014/05/07/document-expiration/). >> > > >> > > so unless you've configured TTL, which I doubt you have if you're >> > > asking this question then I'd suspect several possibilities: >> > > > You have DIH set to clean every time it's run and it didn't run >> > > successfully. So the clean step (which deletes all docs) finished but >> the >> > > index didn't get repopulated. >> > > >> > > > Someone issued a delete-by-query on *:* >> > > >> > > > Someone just deleted the index files from your sever accidentally. >> > > >> > > Best, >> > > Erick >> > > >> > > On Mon, Apr 24, 2017 at 8:55 AM, Saurav Maulick <saurav...@gmail.com> >> > > wrote: >> > > > Hi Team, >> > > > >> > > > We are using Solr 5.4.1 (in Windows with Zookeper). Our problem is >> Solr >> > > > automatically delete all indexed files.from last couple of days. >> > > > >> > > > Is their any Maxout setting which can cause this issue? >> > > > >> > > > This is our production issue and any quick help is highly >> appreciated. >> > > > >> > > > -- >> > > > Thanks and Regards, >> > > > Saurav Maulick >> > > >> > >> > >> > >> > -- >> > Thanks and Regards, >> > Saurav Maulick >> > >> > > > > -- > Thanks and Regards, > Saurav Maulick