[ome-devel] OMERO 5 deletion performance

[Yanling Liu]

By looking OMEROweb.log, deleting single file takes 5 good seconds. Is this
normal and expected? How could I find out if this because OMERO itself, or
postgres, or NFS storage access speed?

Thanks ahead.....

tail var/log/OMEROweb.log
2014-06-02 16:04:47,481  INFO [                           omero.gateway]
(proc.20169) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:04:52,623  INFO [                           omero.gateway]
(proc.20169) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:04:57,237  INFO [                           omero.gateway]
(proc.20168) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:05:02,236  INFO [                           omero.gateway]
(proc.20167) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:05:07,264  INFO [                           omero.gateway]
(proc.20167) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:05:12,239  INFO [                           omero.gateway]
(proc.20166) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:05:17,242  INFO [                           omero.gateway]
(proc.20166) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:05:22,321  INFO [                           omero.gateway]
(proc.20169) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:05:27,351  INFO [                           omero.gateway]
(proc.20166) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)
2014-06-02 16:05:32,419  INFO [                           omero.gateway]
(proc.20165) connect:1705 created connection
(uuid=a040dd26-7e10-4ce4-bb18-5f8497f4d7b7)



On Mon, Jun 2, 2014 at 10:02 AM, Yanling Liu <vrnova at gmail.com> wrote:

> Hi,
>
> I have OMERO 5 installed on Ubuntu 12.04 64bit 8GB Mem, 4 Cores @ 3.47GHz
> and NFS mounted storage for OMERO data storage.
>
> When deleting couple hundred images (each at 1k x 1k pixels) through OMERO
> web, it took long time (> 10 minutes) to finish. In general project and
> dataset deletion are very slow in OMERO web. I wonder if there's any hint
> to tune the performance of OMERO.
>
> I have increased JVM memory usage based on OMERO documentation.
>
> Thanks,
> Yanling
>
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