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Hey Tomasz. Can you tell us the title of your talk in Vancouver? Just
curious, and couldn't find it on the program. Thanks
----- Original Message -----
From: "Tomasz Janeczko" <amibroker@xxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Thursday, October 27, 2005 10:06 AM
Subject: Re: [amibroker] Re: data
> Hello,
>
> "Fail safe" settings are provided there in AQ for those having problems.
> Specifically
> number of simultaneous downloads = 10
>
> was giving problems with Yahoo on DSL connection because Yahoo
> considered as many simultaneous requests as denial-of-service attack.
>
> That's why fail-safe settings are:
> number of simultaneous downloads = 1 (one)
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "Barry Scarborough" <razzbarry@xxxxxxxxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Thursday, October 27, 2005 4:00 PM
> Subject: [amibroker] Re: data
>
>
>> Yea that is weird. Computer speed is not your problem unless you are
>> doing lots on the internet or other intensive disk ops at the same
>> time. I am running an Athlon XP2000 with 500M of dual channel memory
>> and it still slows my system way down when it is downloading and
>> importing data to AB. I often see that AQ is running 20 threads,
>> that is equivalent to having 20 Internet data transfer apps running
>> at once. I think they are buffering this and bursting it into AB. If
>> that is what they are doing it can take considerable processor and
>> memory cycles during the burst phase. If I try to open Outlook
>> Express it takes forever to come up. Ditto with any Internet app.
>>
>> I would think it would auto import or it wouldn't. You do have the
>> Automatic import box checked in AmiQuote don't you? If so when it is
>> importing it does so in spurts and you can see this on the bottom of
>> the AmiBroker window if the AQ window is smaller than the AB window.
>>
>> When do you download from Yahoo? I find that before 6:30 EST I get
>> incorrect results. Maybe the data base is not updated by then. I
>> usually wait until then to download. It may look like it is not
>> working but in reality it is just downloading yesterday's data as
>> current. If you see that AQ imported everything and find the stock
>> data is one day off you downloaded too early in the day.
>>
>> Also if you are downloading historical data every day instead of
>> current it seems that Yahoo will kick you off at times. There are no
>> AQ errors but if you scan the list you will see that from a point
>> nothing below that is downloaded. If you do this earlier in the day
>> Yahoo WILL kick you off during trading hours. I am not sure what
>> time they stop doing this. If you are downloading historical each
>> day change to current rather than historical. It is much faster.
>>
>> What are your AQ settings? Mine are set to:
>> Overwrite existing files for historical, daily and intraday
>> Pre-defined settings = user defined
>> number of symbols = 200
>> number of simultaneous downloads = 10
>> number of automatic retries = 2
>> delay between retries = 1
>> initial delay between requests = 5
>> Timeout, connect = 10 and receive = 20
>>
>> These seem to work well on broadband.
>>
>> Barry
>>
>> --- In amibroker@xxxxxxxxxxxxxxx, "Tim" <raven4ns@xxxx> wrote:
>>>
>>> Hi Barry,
>>> I was not experiencing any problems with Yahoo until the latest
>>> upgrades. I am on a cable connection which is very fast and I have
>> 1
>>> gig on memory onboard so shud be lots for anything I do. With the
>>> latest upgrades I had to download 4 times before it took and then
>> when
>>> I tried to update yesterday it didn't update.
>>> Now what I know about computers you could put on the head of a
>> pin
>>> with room left over. However, it is strange why it works 1 time
>> and not
>>> another. Yahoo has been a reasonbly good data provider for my EOD
>> needs
>>> so am not sure why now. This has been the only time this has
>> happened
>>> and it's coincident with the upgrades. One thing I did notice is
>> that
>>> before when I switched databases the last database I updated was
>> always
>>> saved automatically. I knew this by the box that popped up showing
>> it
>>> being saved, that no longer happens. I just thought it was
>> something I
>>> was forgetting to do but maybe not. Take care Barry.
>>>
>>> Regards,
>>>
>>> Tim
>>>
>>
>>
>>
>>
>>
>>
>>
>> Please note that this group is for discussion between users only.
>>
>> To get support from AmiBroker please send an e-mail directly to
>> SUPPORT {at} amibroker.com
>>
>> For other support material please check also:
>> http://www.amibroker.com/support.html
>>
>>
>> Yahoo! Groups Links
>>
>>
>>
>>
>>
>>
>>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
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