Hello I suspect you're on a version older than the latest (1.6.0). This was resolved in the latest release https://issues.apache.org/jira/browse/NIFI-4925
Thanks Joe On Mon, May 7, 2018 at 8:50 AM, <johannes.meix...@post.ch> wrote: > We’re using Ranger to provide LDAP group-based authorization to NiFi > resources via the Ranger-NiFi plugin. This works well, and read-only / > read-write access can be defined quite granularly. > > > > Audit logs are written into Solr in order for us to search them using Ranger > GUI later on. This worked fine until Friday, upon which “something changed” > (NiFi was restarded without changes) and the connection between > nifi-ranger-plugin and Solr was interrupted. > > > > Today, then, Nifi’s Heap Usage went through the roof up to 97%, most of > which ConcurrentHashMaps spawned by ManagedRangerAuthorizer. > > > > We’ve noticed this type of memory leak in the past: previously, > ranger-nifi-plugin failed to send resources to Solr due to a mismatch in SSL > FQDNs. > > > > This could be solved by setting SOLR_HOST=`hostname –f` in the > infra-solr-env template, but the logging of the ManagedRangerAuthorizer and > its batch transmitting to Solr is rather… shall we say… parsimonious. > > > > How do I increase it so I can actually see what’s causing the memory leak in > Ranger/NiFi/Solr interactions? > > > > > > Regards, > > > > > > > > Johannes Meixner > > Post CH AG > Informationstechnologie > > DWH & Big Data Solutions > Webergutstrasse 5 > 3030 Bern (Zollikofen) > > Internet: http://www.post.ch > > Tel.: +41 58 341 40 77 > >
