Connectivity is bad

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Robinski

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Message 18176 - Posted: 8 Jun 2006, 20:36:56 UTC

Somehow today, connectivity to the Rosetta servers is very bad.

I even can't normaly visit the Message Boards.

I am not the only as more people from the Dutch Power Cows have had this today.

Could someone look into it?
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Message 18177 - Posted: 8 Jun 2006, 20:45:03 UTC

They turned their servers down for awhile and now the Rosetta version is 5.22 up from 5.16. They must have been upgrading to the new version 5.22 because my pc downloaded that version now and it is listed on their website. It is all back up and working now.
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Robinski

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Message 18179 - Posted: 8 Jun 2006, 20:52:25 UTC - in response to Message 18177.  

They turned their servers down for awhile and now the Rosetta version is 5.22 up from 5.16. They must have been upgrading to the new version 5.22 because my pc downloaded that version now and it is listed on their website. It is all back up and working now.


Actualy I have these problems for the whole day.
and 5.22 is just online for a few hours.
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Profile Dimitris Hatzopoulos

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Message 18185 - Posted: 8 Jun 2006, 21:34:18 UTC

I think it must be due to the spike of 60k users trying to download ~10MB each (new Rosetta executable etc) within a relatively short period of a few hours.

Handling 1000s-10,000s of concurrently open HTTP connections is non-trivial and requires some work on Apache sw (and sometimes Linux) config.
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Robinski

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Message 18186 - Posted: 8 Jun 2006, 22:00:50 UTC

The change from 5.16 to 5.22 is also a factor as everybody needs to download a new executable.

but if Rosetta can't cope with the fact that this many clients try to download, then something needs to be done to prevent this in the future. (thats my opinion)


next to this al, it is good that last week I put up a Proxy between my Boinc clients (software) so I only need to download it once, insted of five times.
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Message 18198 - Posted: 8 Jun 2006, 23:20:35 UTC - in response to Message 18186.  

The change from 5.16 to 5.22 is also a factor as everybody needs to download a new executable.

but if Rosetta can't cope with the fact that this many clients try to download, then something needs to be done to prevent this in the future. (thats my opinion)


next to this al, it is good that last week I put up a Proxy between my Boinc clients (software) so I only need to download it once, insted of five times.


The servers were slowed by the preparations for deployment of version 5.22. In addition they had to modify some of the server software to deploy the new Intel Mac version. For a while the server may respond sluggishly as the new software is distributed to all the systems. This usually clears up in a day or so.

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Message 18212 - Posted: 9 Jun 2006, 2:20:03 UTC

According to BOINCstats, 88% of the hosts are Windows based, so it wouldn't help MUCH... but I was wondering why not phase in a new release?

I mean release it for Linux, then 6 hours later release it for MAC, then a few hours later, release it for Windows... or any order you want, but adjust the time delay based on number of active hosts out there and average time between connections to server.
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Message 18214 - Posted: 9 Jun 2006, 2:50:12 UTC

.. Or limit us to say 1000 updates at once.. and everyone beyond that point gets told they're current. Although, the 8hr to 24hr WU times will definately help reduce the load on the server so that it's averaged out during the day a lot better instead of (almost) all at once as soon as the server is brought back up.


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Message 18217 - Posted: 9 Jun 2006, 3:02:25 UTC - in response to Message 18214.  

...help reduce the load on the server so that it's averaged out during the day...


This is one great advantage of having a multi-day WU cache. I've never understood why some people seem so defiantly opposed to them. Just imagine if each of us were hitting the server every 3 days rather than every 8 hours. The increased server load would be 1/10th of what it is now.

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Message 18218 - Posted: 9 Jun 2006, 3:13:42 UTC - in response to Message 18212.  

According to BOINCstats, 88% of the hosts are Windows based, so it wouldn't help MUCH... but I was wondering why not phase in a new release?

I mean release it for Linux, then 6 hours later release it for MAC, then a few hours later, release it for Windows... or any order you want, but adjust the time delay based on number of active hosts out there and average time between connections to server.


Because the goal is to get the improved application out as fast as possible. The servers can handle the load. The delay is only a matter of a few mins for any particular system. While the effects seem large in the forum response, it is not that big a deal for the automated parts of BOINC. Very few people monitor their systems so closely that they even notice any latency at all.
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Message 18219 - Posted: 9 Jun 2006, 3:15:22 UTC - in response to Message 18186.  

...it is good that last week I put up a Proxy between my Boinc clients (software) so I only need to download it once, insted of five times.


Robinski, could you post a link to some info. on what you did?
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Robinski

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Message 18243 - Posted: 9 Jun 2006, 7:40:29 UTC - in response to Message 18219.  

...it is good that last week I put up a Proxy between my Boinc clients (software) so I only need to download it once, insted of five times.


Robinski, could you post a link to some info. on what you did?


Actualy I haven't got many info on it, I use Winroute for connectivity, wich has a build in Proxy. You could use any proxy you want, like Squid.

And I configured my Boinc client's to use the proxy.

and ready you are.

PS. just give the Proxy eough room to store files, I setup a space for 512MB, but about 90MB is used.
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Message boards : Number crunching : Connectivity is bad



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