[WT-support] keying delay

[Steef PA2A]

Hi Bob,

Stream logging was enabled, I didn 't even know it existed hi! On our server the packet
file was about 400 MB so the disk has been very busy during the contest. We will do the
test next tuesday.

73s Steef

> Steef,
>
> Is packet "Stream Logging" enabled?  Right click on the Alt-O window to see
> if that option is enabled (checked).  If so, it means every single byte of
> incoming RBN traffic is being written to disk, which causes a huge amount
> of I/O overhead.  Opening a browser at the same time will slow down this
> disk I/O even more.  Uncheck it.
>
> Stream logging may be the root cause of the all keying delays (WinKey) or
> CW Stutter (COM port DTR keying) that you see.  *Please disable Stream
> Logging* in the Alt-O window, and *disable Incoming spots logging *in the
> Alt-A window, and repeat your test.  Does the CW still stutter?
>
> Take a look in your /log directory.  Chances are high you will see a huge
> .pkt file there, probably tens of megabytes.  There is also a separate
> incoming spots log (.dxc file) written disk (from the Alt-A window).
>
> In sum, disabling all spots logging may resolve all the delay / stutter
> problems.  Please test and report.
>
> 73,
> Bob, N6TV
>
> On Wed, Dec 3, 2014 at 5:13 AM, Steef PA2A <pa2a at xs4all.nl> wrote:
>
>>  Don,
>>
>> At PI4CC we had the same problem while the cluster window was streaming
>> the unreadable combined skimmer clusters. Closing it down by ALT-O solved
>> the problem. The ALT-O window has a 65000 lines buffer, a heavy duty for WT
>> to fill and empty the buffer.
>>
>> Looking for missing zone KL7 by ALT-T I sent about 10 times per second
>> "sh/dx KL7 on 15m" by putting in an ALT-T macro. The unreadable cluster
>> screen stopped for a while and then all KL7 spots had scrolled by
>> without being able to read them. While this happened the CW got hung up for
>> a few seconds.
>>
>> We use the good old COM1 ports for CW so the amount of telnet traffic
>> seems to cause the problem. Opening an Internet Explorer screen
>> also influences the CW. Maybe we should buy faster video cards! I wonder if
>> XP users had the same problem while we have recently gone to W7.
>>
>> 73s Steef PA2A
>>
>> ----- Original Message -----
>> *From:* Don Beattie <g3ozf at btinternet.com>
>> *To:* support at win-test.com
>> *Sent:* Tuesday, December 02, 2014 11:51 AM
>> *Subject:* [WT-support] KEYING DELAY
>>
>>  In CQWW CW this weekend at G5W we were using new computers, which did
>> not have LPT ports (:-(
>>
>>
>>
>> So we had to use USB control of Microham and EZMaster on the two stations.
>> We experienced random delay in the CW starting when pressing a function
>> key. As far as I can see, everything is properly installed. Is this a known
>> problem with USB control of Microham and EZM (yes I know that is an old
>> product) and if so, what is the fix. This never happened with LPT keying.
>>
>>
>>
>> I did wonder whether it was the load of running TelNet with high spot
>> volume that was causing the problem, but the computers are fast, with lots
>> of memory.
>>
>>
>>
>> Any ideas ?
>>
>>
>>
>> *Don, G3BJ*
>>
>>
>>
>>
>>
>>
>>
>>
>>
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