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| ignas | th1a, ayt ? | 14:36 |
|---|---|---|
| tiredbones | Does anyone know if SIF stands for, School Interoperability Framework? | 15:42 |
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| th1a | tiredbones: That's right. | 18:59 |
| th1a | Well, I think it is plural. Schools I.F. | 19:00 |
| th1a | ignas: What's up? | 19:00 |
| tiredbones | th1a, ok | 19:00 |
| tiredbones | th1a, Do i have to inform you that I will attend the sprint at NH? I just want to observe. I have no problem I want to solve. | 19:02 |
| th1a | If you are not going to the other events, I can try to get you a discounted rate. | 19:03 |
| th1a | tiredbones: I may try to get you to help make user documentation. | 19:04 |
| tiredbones | I be happy to help. | 19:05 |
| tiredbones | th1a, I've been reading up on ZODB and was concern how data quality was implemented. Do you try to control this my schemas alone/ | 19:06 |
| th1a | I'm not sure what you mean by data quality in this case. | 19:07 |
| tiredbones | duplications of data. | 19:07 |
| th1a | How would one otherwise control it? | 19:09 |
| tiredbones | I don't know in a object database?? | 19:10 |
| th1a | How would one do it in a relational database? | 19:11 |
| tiredbones | Also, from my reading I understand that all new object are just appended to Data.fs. | 19:11 |
| th1a | Essentially, I don | 19:11 |
| th1a | 't know the answer to your question. | 19:12 |
| tiredbones | ok, thanks | 19:12 |
| tiredbones | th1a, one more Q.. does schooltool use Squishdot to compress the DB? | 19:14 |
| th1a | Squishdot? Isn't that an old Slashdot clone for Zope? | 19:14 |
| th1a | Anyway, we don't do anything special with the ZODB at this point. | 19:15 |
| tiredbones | ok | 19:15 |
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| srichter | no data compression is used | 19:45 |
| srichter | in fact I am not aware of anyone doing this | 19:46 |
| srichter | I wonder whether the latest pickle format supports compression | 19:46 |
| tiredbones | I understand there's a great savings in doing this. Unless what i'm reading is old hat. | 19:47 |
| srichter | well, there would be disk space savings, but your load time would increase | 19:50 |
| th1a | I was just going to say that. | 19:50 |
| srichter | and disk space is not one of our worries | 19:51 |
| srichter | time and RAM is | 19:51 |
| th1a | Yes. Disk space is the least of our worries. | 19:51 |
| th1a | Although we could use a web form to let you pack the db. | 19:51 |
| srichter | right, though I wonder how many objects we are modifying multiple times | 19:52 |
| srichter | that would be an interesting task: pack a sample data filled DB | 19:52 |
| tiredbones | I agree with that, what about history? | 19:52 |
| srichter | you loose history when you pack; that's one of the tradeoffs | 19:53 |
| srichter | but it is very unlikely that I am still interested in some intermediate version of a course of section 2 months down the road | 19:53 |
| tiredbones | Yes, but some laws will you to keep it. | 19:54 |
| srichter | I doubt it | 19:54 |
| srichter | I bet you that no other software keep those type of records | 19:54 |
| tiredbones | I bet the contrary is so. | 19:55 |
| th1a | tiredbones: We log things that are needed for legal reasons. | 19:56 |
| srichter | why does it matter to keep the section around that has an incplete list of students for example? | 19:56 |
| th1a | We don't count on ZODB history for that. | 19:56 |
| th1a | Also, we don't actually support undo in the UI at this point, although it would be nice to in the future. | 19:57 |
| tiredbones | srichter, knowing when the student was registered. | 19:58 |
| th1a | We don't count on history for that kind of thing. | 19:58 |
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| srichter | right, this is an application task | 19:58 |
| srichter | it needs to be described by the model, not by a feature of the storage | 19:59 |
| tiredbones | th1a, if schooltool doesn't use undo, how do you remove an incomplete object? | 20:00 |
| th1a | We don't use undo in the user space. | 20:00 |
| tiredbones | a bad write. | 20:00 |
| srichter | the transaction mechanism takes care of that | 20:00 |
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| tiredbones | hmm, lots to learn. | 20:01 |
| tiredbones | srichter, this transaction mechanism that takes care of bad write is that schooltool only or this zope/ | 20:03 |
| srichter | this is a Zoep/ZODB feature | 20:03 |
| srichter | it works exactely as RDB transactions | 20:04 |
| tiredbones | If you have zope.ManageContent on a content why would you also need it in your browser directive? | 20:14 |
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