[ https://issues.apache.org/jira/browse/JENA-1586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tom den Braber updated JENA-1586: --------------------------------- Description: When you remove a TDB-dataset over HTTP from the Fuseki server, Fuseki does not close the file. Steps to reproduce: First: create a dataset over HTTP with name 'x'. Then, delete the dataset with name 'x'. Now inspect the open files of the fuseki process by running \{{lsof -p <FUSEKI_PROCESS_ID>}} you see that a dataset with name 'x' is still opened by the Fuseki-process. Impact: When a Fuseki process runs for a long time, and many datasets are created and deleted, it will in the end lead to a situation in which you cannot create new datasets anymore. Each attempt to creating a dataset will lead to a HTTP response code 500 with message 'java.nio.file.FileSystemException: /var/lib/fuseki/templates/config-tdb: Too many open files'. Also, keeping the files open leads (I suspect) to a higher memory usage than strictly needed. was: When you remove a TDB-dataset over HTTP from the Fuseki server, Fuseki does not close the file. Steps to reproduce: First: create a dataset over HTTP with name 'x'. Then, delete the dataset with name 'x'. Now inspect the open files of the fuseki process by running {{lsof -p <FUSEKI_PROCESS_ID> }}you see that a dataset with name 'x' is still opened by the Fuseki-process. Impact: When a Fuseki process runs for a long time, and many datasets are created and deleted, it will in the end lead to a situation in which you cannot create new datasets anymore. Each attempt to creating a dataset will lead to a HTTP response code 500 with message 'java.nio.file.FileSystemException: /var/lib/fuseki/templates/config-tdb: Too many open files'. Also, keeping the files open leads (I suspect) to a higher memory usage than strictly needed. > Fuseki does not close files of dataset when the dataset is removed > ------------------------------------------------------------------ > > Key: JENA-1586 > URL: https://issues.apache.org/jira/browse/JENA-1586 > Project: Apache Jena > Issue Type: Bug > Components: Fuseki > Affects Versions: Jena 3.6.0 > Environment: Debian 9.5 with Jena 3.6.0 > Reporter: Tom den Braber > Priority: Minor > > When you remove a TDB-dataset over HTTP from the Fuseki server, Fuseki does > not close the file. > Steps to reproduce: > First: create a dataset over HTTP with name 'x'. Then, delete the dataset > with name 'x'. Now inspect the open files of the fuseki process by running > \{{lsof -p <FUSEKI_PROCESS_ID>}} you see that a dataset with name 'x' is > still opened by the Fuseki-process. > Impact: > When a Fuseki process runs for a long time, and many datasets are created and > deleted, it will in the end lead to a situation in which you cannot create > new datasets anymore. Each attempt to creating a dataset will lead to a HTTP > response code 500 with message 'java.nio.file.FileSystemException: > /var/lib/fuseki/templates/config-tdb: Too many open files'. Also, keeping the > files open leads (I suspect) to a higher memory usage than strictly needed. -- This message was sent by Atlassian JIRA (v7.6.3#76005)