Hi All,
 
We are facing the issue with the Solr server in the DMOZ data migration.
The Solr has 0 records when the migration starts and the data is added
into Solr in the batches of 20000 records. The commit is called on Solr
after 20k records are processed. 
 
While commiting the data into Solr, a lucene lock file is created in the
<Solr_Home>/data/index folder which is automatically released once the
successful commit happens. But after 4-5 batches, the lock file remains
there and Solr just hangs and does not add any new records. Some times
the whole migration goes through without any errors.
 
Kindly let me know in case some setting needs to be required on Solr
side, which ensures that until the Solr commits the index, the next set
of records should not be added.
 
Thanks,
Param

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