Hi all,
As a bit of background, we're trying to run a map-reduce job on a Hadoop
cluster (CDH version 4.5.0) which involved reading/writing from Solr during
both the Map and Reduce phase. To accomplish this, we are using the Solrj
library with version 4.4.0-search-1.3.0. In a separate application, we have
managed to get solrj to authenticate correctly with Kerberos by following the
guide here:
http://www.cloudera.com/content/cloudera/en/documentation/cloudera-search/v1-latest/Cloudera-Search-User-Guide/csug_using_kerberos.html,
creating a jaas file which points to a previously created keytab file.
However, the distributed map-reduce job will not have the jaas file or keytab
file on the worker nodes it will be distributed to. We were wondering whether
it is possible to set up Kerberos with Solrj in the driver step of a map-reduce
job, so that the individual mappers and reducers remain authenticated during
the running process?
Thanks and kind regards,
Adam
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