Query on JIRA Supported Platforms JIRA 5.2.11

As of JIRA 5.2 NFS mounts are not supported due to Lucene requirements.

Although I can see that something is not supported, can someone throw some light on what exactly this implies and what are its implications to existing installations.

We have our attachments and backups stored in NFS drives which are referenced in the application.


1 answer

1 accepted

Accepted Answer
2 votes

As far as I remember: NFS has pecularities with file locking. There's an aid named nfslock (or lockd) to implement locking but works like hell.

Specifically, flock ( http://linux.die.net/man/2/flock ) and fnctl( http://linux.die.net/man/2/fcntl ) are implementation dependent. Some flavors of *NIX decided to do lock only locally (!) so the lock does not help you at all. Some implementations have bad performance because they need to negociate the locks with all the clients. That tends to push a lot of UDP packets in the network => sloooowness.

Java still relies on the above routines to perform file locking.

Attachments & backups should be fine, since they are not files that are locked partially, as opposed to Lucene files.

Suggest an answer

Log in or Sign up to answer
Community showcase
Posted Sep 18, 2018 in Jira

What modern development practices are at the heart of how your team delivers software?

Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...

21,293 views 2 7
Join discussion

Atlassian User Groups

Connect with like-minded Atlassian users at free events near you!

Find a group

Connect with like-minded Atlassian users at free events near you!

Find my local user group

Unfortunately there are no AUG chapters near you at the moment.

Start an AUG

You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs

Groups near you