Re: [Hsqldb-developers] fine grain threading

2002-04-22 Thread Karl Meissner
--- > What I had in mind was a node is a fixed size > structure that contains a > pointer (or reference) to table data which may be in Yep. I pretty much agree with the priciple. I built the BLinkTree to be a sorted map of elements to longs. The longs can be references into just about any

Re: [Hsqldb-developers] fine grain threading

2002-04-22 Thread fredt
>Ok here is what I will do. I will put the code up to sourceforge so you guys can check it out. Maybe you will spot a way to make fine grain fast. > Gook idea. Some of us are busy with 1.7.0 release work but it would allow others to comment. >But I will change my assumptions to that only a si

Re: [Hsqldb-developers] fine grain threading

2002-04-22 Thread Karl Meissner
Ok I posted my code at https://sourceforge.net/tracker/index.php?func=detail&aid=547121&group_id=23316&atid=378133 Any questions or comments just email me For some reason I fouled up the first time I posted the code and can edit patch 547119. Could somebody delete it. = Karl Meissne

Re: [Hsqldb-developers] fine grain threading

2002-04-22 Thread Karl Meissner
see below > In my view, the cases where fine-grained locks can > make a difference are > very few. But since you've been working with The only place I can think of is a multi processor system, a huge dataset and shared memory. This is not our use case. HSQL seems to get used on single proc

Re: [Hsqldb-developers] fine grain threading

2002-04-20 Thread bob preston
BTW:  We also need on-the-fly indexing for TextTable support. Bob >From: "Fred Toussi" <[EMAIL PROTECTED]> >To: "Karl Meissner" <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]> >Subject: Re: [Hsqldb-developers] fine grain threading >Date: Sat, 20 Ap

Re: [Hsqldb-developers] fine grain threading

2002-04-20 Thread Fred Toussi
Thanks Karl, In my view, the cases where fine-grained locks can make a difference are very few. But since you've been working with databases with very high insert and update loads, you might know of a scenario that makes them desirable. Please let us know. Currently we are using 40 year old AVL