Re: db and multiple processes

2008-11-27 Thread Alexander Burger
Hi Tomas, is it fine to have two/many *independent* processes using the same database? Usually not, though I do it in certain cases. On the lowest level, the db consists of independent objects (external symbols). When a process accesses such a symbol, it obtains a read-lock on the db, reads

Re: db and multiple processes

2008-11-27 Thread Tomas Hlavaty
Hi Alex, Usually not, though I do it in certain cases. In what cases and how you do it? I want to split my app into two independent processes (process families): an admin part (quite complex, can change a lot and significantly, can stop quite often for upgrades etc.) and public part (quite

Re: db and multiple processes

2008-11-27 Thread Alexander Burger
Hi Tomas, In what cases and how you do it? At SmApper we had a set of stand-alone shell tools (i.e. with the first line containing '#!bin/picolisp') that were used to do quick scans of some databases and build reports. They simply loaded the er.l of those applications, and called 'pool' on the

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