topic Too many open file Error - Alfresco community 4.0 in Alfresco Forum

Too many open file Error - Alfresco community 4.0

sanketmohite — Thu, 17 Jan 2019 09:24:52 GMT

Hi All,We are running Alfresco community version 4.0 on Linux environment.Since last few days we are regularly getting too many open files error in alfresco.log file.(snapshot of log file is pasted in the message below)We tried tuning tomcat "nofile" parameter and maximum possible 65536We suspect th

Re: Too many open file Error - Alfresco community 4.0

afaust — Fri, 18 Jan 2019 09:40:42 GMT

Since you are still using Lucene, you need to be extra careful in your customisations about how you are doing queries. You especially have to make sure that you ALWAYS close your result sets when using the SearchService#query() operation (using try-finally blocks in Java code). Not closing result sets will lead to significant file duplication and was one of the most common causes for running into "too many open files" issues in old Lucene search subsystem.

Also, you can set your file handle limit to "unlimited"...

Re: Too many open file Error - Alfresco community 4.0

sanketmohite — Fri, 18 Jan 2019 12:52:05 GMT

Alex, Thanks a lot for your quick response. It is highly appreciated.

Just to give you background, we are using alfresco as storage system and contents search feature is not at all used

So is it possible to set some configuration to stop generating Lucene Index?

Also Few questions which I raised previously

1. Is there any way by which I can identify which files are being open when this "Too many open files" error is thrown?

2. Can we prevent the re-indexing which might be causing this error?

Re: Too many open file Error - Alfresco community 4.0

afaust — Fri, 18 Jan 2019 17:12:55 GMT

In order to "disable" indexing, simply configure SOLR to be used without actually setting up a SOLR server.

The list of open files can be checked via the ls utility.