Panic Mode On (102) Server Problems?

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Richard Haselgrove Project Donor
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Message 1774705 - Posted: 28 Mar 2016, 10:00:22 UTC - in response to Message 1774703.  

I have always wondered why Thumper is on the list, A maintenance computer?

Back in August 2011, Thumper was "our file server, where we keep all the raw data among other things". Like all the boring glue that holds a data centre together, it doesn't get star billing unless things go wrong...
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Message 1774742 - Posted: 28 Mar 2016, 14:55:20 UTC - in response to Message 1774702.  

Sorry for OT but why "server status" page is this computer: centurion: Intel Server (2 x hexa-core 3.4GHz Xeon, 512 GB RAM)?

It is part of hosts but is is not listed under server status list.

I don't know when that system snuck on the list. With 512GB of RAM perhaps it could be destined for, or already is, performing database duties.

My understanding is that it will be running a new instance of the science database to handle GBT (Green Bank Telescope) results.


Okay. Good to know.
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Message 1774752 - Posted: 28 Mar 2016, 15:54:34 UTC
Last modified: 28 Mar 2016, 16:15:36 UTC

Boom I'm back up + working. Time to catch other people unawares + pile on a few extra coals.

Edit: spoke too soon - it was but a brief flurry.
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Message 1774766 - Posted: 28 Mar 2016, 17:31:39 UTC

For the past hour got
28/03/2016 19:27:43 | SETI@home | Requesting new tasks for AMD/ATI GPU
28/03/2016 19:27:43 | SETI@home | [sched_op] AMD/ATI GPU work request: 336170.13 seconds; 0.00 devices
28/03/2016 19:20:17 | SETI@home | No tasks sent
28/03/2016 19:20:17 | SETI@home | No tasks are available for AstroPulse v7
28/03/2016 19:20:17 | SETI@home | Tasks for CPU are available, but your preferences are set to not accept them
28/03/2016 19:20:17 | SETI@home | Tasks for NVIDIA GPU are available, but your preferences are set to not accept them
28/03/2016 19:20:17 | SETI@home | Tasks for Intel GPU are available, but your preferences are set to not accept them

intermittently exchanged for
28/03/2016 19:27:43 | SETI@home | Requesting new tasks for AMD/ATI GPU
28/03/2016 19:27:43 | SETI@home | [sched_op] AMD/ATI GPU work request: 336170.13 seconds; 0.00 devices
28/03/2016 19:27:47 | SETI@home | Project has no tasks available

So whomever is getting all that work, congrats.

I'm turning BOINC off again, it's been a nice run for Easter. It can continue next weekend.
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Message 1774767 - Posted: 28 Mar 2016, 17:38:56 UTC

3/28/2016 11:36:44 AM | SETI@home | update requested by user
3/28/2016 11:36:45 AM | SETI@home | Sending scheduler request: Requested by user.
3/28/2016 11:36:45 AM | SETI@home | Reporting 90 completed tasks
3/28/2016 11:36:45 AM | SETI@home | Requesting new tasks for CPU and NVIDIA GPU and Intel GPU
3/28/2016 11:36:47 AM | SETI@home | Scheduler request completed: got 0 new tasks
3/28/2016 11:36:47 AM | SETI@home | No tasks sent
3/28/2016 11:36:47 AM | SETI@home | No tasks are available for AstroPulse v7
3/28/2016 11:36:47 AM | SETI@home | Tasks for AMD/ATI GPU are available, but your preferences are set to not accept them

Me think scheduler speak with forked tongue............

"Sour Grapes make a bitter Whine." <(0)>
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Message 1774768 - Posted: 28 Mar 2016, 17:42:09 UTC
Last modified: 28 Mar 2016, 17:56:21 UTC

Help me to see the light. If a WU is listed as "Finished upload" in the BOINC Event Viewer, why is it also listed in the Task screen as "Progress 100%, Ready to report." Shouldn't it not appear in the Task screen? Also, why do some users have entries for requesting WUs (like JaundicedEye) while others (like me) have none? We both have v7.6.22 of BOINC.
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Message 1774771 - Posted: 28 Mar 2016, 17:57:55 UTC

There are two stages in "reporting" a task, first is sending the data to the servers, this is normally done as soon as the task is completed. The second stage, the "report" stage takes place on the next scheduled contact, among other things this is a confirmation that you sent the data back and not somebody pretending to be to be you. Tasks are removed from your "in progress" list once both stages have been completed correctly.
Frustrating? - It can be, but you get used to it....
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Message 1774773 - Posted: 28 Mar 2016, 18:01:52 UTC - in response to Message 1774771.  

There are two stages in "reporting" a task, first is sending the data to the servers, this is normally done as soon as the task is completed. The second stage, the "report" stage takes place on the next scheduled contact, among other things this is a confirmation that you sent the data back and not somebody pretending to be to be you. Tasks are removed from your "in progress" list once both stages have been completed correctly.
Frustrating? - It can be, but you get used to it....

Rob, thanx for the explanation, this is the first time in the "short" time I have been with project where I have heard why uploading also requires reporting.
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Message 1774783 - Posted: 28 Mar 2016, 18:31:35 UTC - in response to Message 1774771.  

@Rob Smith
Thanks. Its kinda sorta like double authentication. Now, for the latter question

Also, why do some users have entries for requesting WUs (like JaundicedEye) while others (like me) have none? We both have v7.6.22 of BOINC.

Is there a sensible explanation, or do we chalk this up to the funkiness of BOINC (ie 'undocumented feature')?
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Message 1774784 - Posted: 28 Mar 2016, 18:32:58 UTC - in response to Message 1774773.  

There are two stages in "reporting" a task, first is sending the data to the servers, this is normally done as soon as the task is completed. The second stage, the "report" stage takes place on the next scheduled contact, among other things this is a confirmation that you sent the data back and not somebody pretending to be to be you. Tasks are removed from your "in progress" list once both stages have been completed correctly.
Frustrating? - It can be, but you get used to it....

Rob, thanx for the explanation, this is the first time in the "short" time I have been with project where I have heard why uploading also requires reporting.

It gets recycled to the top of the discussion heap periodically - not so often now that we're using modern, faster, servers and have a decent comms link.

Here's one example from 2007

The significant point from that discussion is that it is efficient, in database terms, to upload the files one at a time (that's a simple transfer, no DB access required), but to save then up and do the database work - the reporting - in a batch.

Rom Walton (BOINC Developer) got so annoyed at people like me discussing 'Report Results Immediately' (as the non-batched process is called) that he wrote a blog with some idea of the processes involved.

BOINC Client: The evils of 'Returning Results Immediately'
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Message 1774800 - Posted: 28 Mar 2016, 19:58:58 UTC - in response to Message 1774784.  

There are two stages in "reporting" a task, first is sending the data to the servers, this is normally done as soon as the task is completed. The second stage, the "report" stage takes place on the next scheduled contact, among other things this is a confirmation that you sent the data back and not somebody pretending to be to be you. Tasks are removed from your "in progress" list once both stages have been completed correctly.
Frustrating? - It can be, but you get used to it....

Rob, thanx for the explanation, this is the first time in the "short" time I have been with project where I have heard why uploading also requires reporting.

It gets recycled to the top of the discussion heap periodically - not so often now that we're using modern, faster, servers and have a decent comms link.

Here's one example from 2007

The significant point from that discussion is that it is efficient, in database terms, to upload the files one at a time (that's a simple transfer, no DB access required), but to save then up and do the database work - the reporting - in a batch.

Rom Walton (BOINC Developer) got so annoyed at people like me discussing 'Report Results Immediately' (as the non-batched process is called) that he wrote a blog with some idea of the processes involved.

BOINC Client: The evils of 'Returning Results Immediately'

I wonder if the client will get a <min_tasks_reported>#</min_tasks_reported> config to go along with <max_tasks_reported>#</max_tasks_reported>, or perhaps that would be more of a server side setting to reduce db load.
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Message 1774842 - Posted: 28 Mar 2016, 22:22:03 UTC

Looks like SSP is stuck again.

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Message 1775049 - Posted: 30 Mar 2016, 18:48:10 UTC

And we're back :-)
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Message 1775050 - Posted: 30 Mar 2016, 18:48:36 UTC
Last modified: 30 Mar 2016, 18:50:51 UTC

Unofficially, as it's third-hand, today's outrage was caused by BOINC database replica server Carolyn crashing last night, possibly due to a RAID card issue. This was from the SETI Is Down Cafe which we flock to when we can't flock to here. :^)
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Message 1775062 - Posted: 30 Mar 2016, 19:41:24 UTC

All is not well in the land of the servers:


Database/file status
The database server is not accessible
Splitter status


Oh dear, looks sad :-(
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Message 1775072 - Posted: 30 Mar 2016, 20:03:45 UTC

Yes, but even though I'm Reporting completed work; my RAC has dropped 1.5K in two days!!! :-(
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Message 1775078 - Posted: 30 Mar 2016, 20:14:08 UTC

The uploaders need a (re)boot in the bum...
.

Hello, from Albany, CA!...
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Message 1775079 - Posted: 30 Mar 2016, 20:14:41 UTC - in response to Message 1775072.  

Yes, but even though I'm Reporting completed work; my RAC has dropped 1.5K in two days!!! :-(

Everyone is trying to upload and report completed tasks, so I guess it's kind of busy now, besides Replica database is disabled, so we don't get validated results atm. My pending tasks has sky-rocketed...
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Message 1775085 - Posted: 30 Mar 2016, 20:18:09 UTC - in response to Message 1775079.  

Yes it seems to be very busy ATM, uploads were very slow and painful, kinda reminded me of the days before the move to the colo. Seti was very exciting then.
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Message 1775119 - Posted: 30 Mar 2016, 22:35:50 UTC
Last modified: 30 Mar 2016, 22:36:24 UTC

I am a little confused here. In the past when the tasks page for my computer was not indicating what I actually had for tasks, I thought the reason was that the replica database was “X” number of seconds behind the master data base and the information for the status page came from the replica. Now my computer’s task page seems current and the replica database on Carolyn appears to be down. Am I mistaken on the source of data for the status page or has there been a change of the source from Carolyn to Oscar?
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Message boards : Number crunching : Panic Mode On (102) Server Problems?


 
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