There was 1 query running on Stardog and it was loaded onto a 64G memory VM!
WARN 2020-07-18 06:02:58,757 [stardog-user-8] com.complexible.stardog.protocols.http.server.StardogUndertowErrorHandler:accept(64): Unexpected exception was handled by the server
org.postgresql.util.PSQLException: ERROR: could not resize shared memory segment "/PostgreSQL.649798421" to 8388608 bytes: No space left on device
Where: parallel worker
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2533) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2268) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:313) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:448) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:369) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:310) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.jdbc.PgStatement.executeCachedSql(PgStatement.java:296) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:273) ~[postgresql-42.2.12.jar:42.2.12]
at org.postgresql.jdbc.PgStatement.executeQuery(PgStatement.java:226) ~[postgresql-42.2.12.jar:42.2.12]
at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_252]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_252]
at org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:114) ~[tomcat-jdbc-9.0.24.jar:?]
at com.sun.proxy.$Proxy81.executeQuery(Unknown Source) ~[?:?]
at com.complexible.stardog.virtual.vega.rdbms.RdbmsRelExecutor.execute(RdbmsRelExecutor.java:54) ~[stardog-virtual-core-7.3.2.jar:?]
at com.complexible.stardog.virtual.vega.VirtualServiceQuery.execute(VirtualServiceQuery.java:187) ~[stardog-virtual-core-7.3.2.jar:?]
at com.complexible.stardog.virtual.vega.VirtualServiceQuery.evaluate(VirtualServiceQuery.java:200) ~[stardog-virtual-core-7.3.2.jar:?]
at com.complexible.stardog.plan.eval.operator.impl.ServiceOperatorImpl.computeNext(ServiceOperatorImpl.java:93) ~[stardog-7.3.2.jar:?]
at com.complexible.stardog.plan.eval.operator.impl.ServiceOperatorImpl.computeNext(ServiceOperatorImpl.java:29) ~[stardog-7.3.2.jar:?]
at com.complexible.common.collect.AbstractSkippingIterator.tryToComputeNext(AbstractSkippingIterator.java:147) ~[stardog-utils-common-7.3.2.jar:?]
at com.complexible.common.collect.AbstractSkippingIterator.hasNext(AbstractSkippingIterator.java:134) ~[stardog-utils-common-7.3.2.jar:?]
at com.complexible.stardog.plan.eval.operator.impl.ProjectionOp.computeNext(ProjectionOp.java:125) ~[stardog-7.3.2.jar:?]
at com.complexible.stardog.plan.eval.operator.impl.ProjectionOp.computeNext(ProjectionOp.java:32) ~[stardog-7.3.2.jar:?]
at com.complexible.common.collect.AbstractSkippingIterator.tryToComputeNext(AbstractSkippingIterator.java:147) ~[stardog-utils-common-7.3.2.jar:?]
at com.complexible.common.collect.AbstractSkippingIterator.hasNext(AbstractSkippingIterator.java:134) ~[stardog-utils-common-7.3.2.jar:?]
at com.complexible.stardog.plan.eval.operator.impl.DistinctOp.computeNext(DistinctOp.java:58) ~[stardog-7.3.2.jar:?]
at com.complexible.stardog.plan.eval.operator.impl.DistinctOp.computeNext(DistinctOp.java:21) ~[stardog-7.3.2.jar:?]