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[LDM #SYX-505877]: Queue Product Slots



The performance of the product-queue should scale as the inverse of the log
of the number of slots. Try a large number and see.

Steve Emmerson
(sent from my phone)
On Apr 30, 2016 16:06, "Robert Much" <address@hidden> wrote:

> New Client Reply: Queue Product Slots
>
> Steve,
> I can certainly try the beta version.  Any thoughts regarding the
> workaround solution?  Would there be a sensible number of queue slots to
> set that might avoid the error?  Does a set number of slots (say 500,000)
> have an adverse affect on LDM performance, etc.?
>
> Bob
>
> ________________________________________
> From: Unidata LDM Support address@hidden
> Sent: Saturday, April 30, 2016 2:08 PM
> To: Robert Much
> Cc: address@hidden
> Subject: [LDM #SYX-505877]: Queue Product Slots
>
> Robert,
>
> The problem you're encountering might be fixed in a beta version of the
> LDM that has yet to be released. That version has been and is being
> successfully tested here and at another site. You are welcome to try it.
> The URL is
>
>
> http://cp.mcafee.com/d/1jWVIe4zqb3ytSjhOejsdTdIIczxNEVvvdLzCm6kjhOqejqdTHLe6zCVEVudLzCm7D4nzsqAfzfBmX4MkGxHtendGEqTjBPvWMWMCevW_8ILfcnuWZOWrb5-jspspuLORQr8EGEEFYG7DR8OJMddECQjt-hojuv78I9CzATsSXdpbctCJPs98rfurJIuZ1L5CO67EaUg-uUuwGnsV5DHYPQZzN4kdQrmmH6psZ1k5dMAxIZVKSNXQ6Pr5QTPpFr2EsdCy031w3wcnvK-Ye76BR8Qg0eTXvCy0bhGwTqpEw63WPErpudDCQq
>
> The main difference that you would encounter is logging: your version uses
> the system logging daemon and, by default, the new version doesn't.
> Instead, logging occurs directly to the log file. This change should be
> transparent. You'll find, however, that the format of a log message is
> slightly different: it will have increased time precision and indicate
> where in the source-code the message was generated.
>
> Please feel free to contact me if you have any questions.
>
> > The version is 6.12.6.  This communication can be public.  The "ldmadmin
> config" output:
> >
> > hostname:              ec2-52-0-8-214.compute-1.amazonaws.com
> > os:                    Linux
> > release:               3.13.0-45-generic
> > ldmhome:               /usr/local/ldm
> > LDM version:           6.12.6
> > PATH:
> /usr/local/ldm/ldm-6.12.6/bin:/usr/local/ldm/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
> > LDM conf file:         /usr/local/ldm/etc/ldmd.conf
> > pqact(1) conf file:    /usr/local/ldm/etc/pqact.conf
> > scour(1) conf file:    /usr/local/ldm/etc/scour.conf
> > product queue:         /run/shm/ldm.pq
> > queue size:            4G bytes
> > queue slots:           default
> > reconciliation mode:   decrease maximum latency
> > pqsurf(1) path:        /usr/local/ldm/var/queues/pqsurf.pq
> > pqsurf(1) size:        2M
> > IP address:            0.0.0.0
> > port:                  388
> > PID file:              /usr/local/ldm/ldmd.pid
> > Lock file:             /usr/local/ldm/.ldmadmin.lck
> > maximum clients:       256
> > maximum latency:       3600
> > time offset:           3600
> > log file:              /var/log/ldm/ldm.log
> > numlogs:               7
> > log_rotate:            1
> > netstat:               /bin/netstat -A inet -t -n
> > top:                   /usr/bin/top -b -n 1
> > metrics file:          /var/log/ldm/metrics.txt
> > metrics files:         /var/log/ldm/metrics.txt*
> > num_metrics:           4
> > check time:            1
> > delete info files:     0
> > ntpdate(1):            /usr/sbin/ntpdate
> > ntpdate(1) timeout:    5
> > time servers:          ntp.ucsd.edu ntp1.cs.wisc.edu ntppub.tamu.edu
> otc1.psu.edu timeserver.unidata.ucar.edu
> > time-offset limit:     10
>
> Regards,
> Steve Emmerson
>
> Ticket Details
> ===================
> Ticket ID: SYX-505877
> Department: Support LDM
> Priority: Normal
> Status: Closed
>
>
>
> The information contained in this communication is confidential, is
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>
>
>
> Ticket Details
> ===================
> Ticket ID: SYX-505877
> Department: Support LDM
> Priority: Normal
> Status: Open
> Link:
> https://andy.unidata.ucar.edu/esupport/staff/index.php?_m=tickets&_a=viewticket&ticketid=26988
>
>



Ticket Details
===================
Ticket ID: SYX-505877
Department: Support LDM
Priority: Normal
Status: Open


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