I was only speaking about full import regarding the default of clean=true. However, looking at the source code, it doesn't seem to differentiate especially between a full and a delta in relation to the default of clean=true, which would be pretty crappy. However, I'd need to try it.
Upayavira On Wed, Jun 10, 2015, at 11:57 AM, Alessandro Benedetti wrote: > Wow, Upaya, I didn't know that clean was default=true in the delta import > as well! > I did know it was default in the full import, but I agree with you that > having a default to true for delta import is very dangerous ! > > But assuming the user was using the delta import so far, if cleaning > every > time, how was possible to have a coherent index ? > > Using a delta import with clean=true should produce a non consistent > index > with only a subset ( the latest modified) of the entire data set ! > > Cheers > > 2015-06-10 11:46 GMT+01:00 Upayavira <u...@odoko.co.uk>: > > > Note the clean= parameter to the DIH. It defaults to true. It will wipe > > your index before it runs. Perhaps it succeeded at wiping, but failed to > > connect to your database. Hence an empty DB? > > > > clean=true is, IMO, a very dangerous default option. > > > > Upayavira > > > > On Wed, Jun 10, 2015, at 10:59 AM, Midas A wrote: > > > Hi Alessandro, > > > > > > Please find the answers inline and help me out to figure out this > > > problem. > > > > > > 1) Solr version : *4.2.1* > > > 2) Solr architecture :* Master -slave/ Replication with requestHandler* > > > > > > 3) Kind of data source indexed : *Mysql * > > > 4) What happened to the datasource ? any change in there ? : *No change * > > > 5) Was the index actually deleted ? All docs deleted ? Index file > > > segments > > > deleted ? Index corrupted ? : *all docs deleted , segment files are > > > there. > > > index file is also there .* > > > 6) What about system resources ? > > > * JVM: 30 GB* > > > * RAM: 48 GB* > > > > > > *CPU : 8 core* > > > > > > > > > On Wed, Jun 10, 2015 at 2:13 PM, Alessandro Benedetti < > > > benedetti.ale...@gmail.com> wrote: > > > > > > > Let me try to help you, first of all I would like to encourage people > > to > > > > post more information about their scenario than "This is my log, index > > > > deleted, help me" :) > > > > > > > > This kind of Info can be really useful : > > > > > > > > 1) Solr version > > > > 2) Solr architecture ( Solr Cloud ? Solr Cloud configuration ? Manual > > > > Sharding ? Manual Replication ? where the problem happened ? ) > > > > 3) Kind of data source indexed > > > > 4) What happened to the datasource ? any change in there ? > > > > 5) Was the index actually deleted ? All docs deleted ? Index file > > segments > > > > deleted ? Index corrupted ? > > > > 6) What about system resources ? > > > > > > > > These questions are only few example one that everyone should always > > post > > > > along their mysterious problem ! > > > > > > > > Hope this helps, > > > > > > > > Cheers > > > > > > > > > > > > 2015-06-10 9:15 GMT+01:00 Midas A <test.mi...@gmail.com>: > > > > > > > > > > > > > > We are running full import and delta import crons . > > > > > > > > > > Fulll index once a day > > > > > > > > > > delta index : every 10 mins > > > > > > > > > > > > > > > last night my index automatically deleted(numdocs=0). > > > > > > > > > > attaching logs for review . > > > > > > > > > > please suggest to resolve the issue. > > > > > > > > > > > > > > > > > > > > > > -- > > > > -------------------------- > > > > > > > > Benedetti Alessandro > > > > Visiting card : http://about.me/alessandro_benedetti > > > > > > > > "Tyger, tyger burning bright > > > > In the forests of the night, > > > > What immortal hand or eye > > > > Could frame thy fearful symmetry?" > > > > > > > > William Blake - Songs of Experience -1794 England > > > > > > > > > > -- > -------------------------- > > Benedetti Alessandro > Visiting card : http://about.me/alessandro_benedetti > > "Tyger, tyger burning bright > In the forests of the night, > What immortal hand or eye > Could frame thy fearful symmetry?" > > William Blake - Songs of Experience -1794 England
