performance: Derby vs H2
Is it really true that H2 is faster than Derby?? http://en.wikipedia.org/wiki/Apache_Derby A year ago, I tried to remove the section that says that H2 is faster, but someone always added it back into the article. And besides me, seems like no one really care about the Comparison to other embedded SQL Java databases section. http://en.wikipedia.org/wiki/Talk:Apache_Derby#Benchmarks Is it a well-known fact that H2 is always faster?? And there is also H2's benchmark page: http://www.h2database.com/html/performance.html Is it a fair comparsion?? Rayson
Re: performance: Derby vs H2
It is a unconstructive question to ask. It depends on many requirements and situations. Is a car faster than an airplane ? Well if I have to go to the next corner shopping mall to pick up some milk your forgot, this is most likely the case. So try it out - and if you think one is faster than the other for your particular situation - go for it. For me the maturity, support, proven deployments and scalability together with features available are the key driving forces. B-) On Thu, Apr 22, 2010 at 11:47 AM, Rayson Ho raysonlo...@gmail.com wrote: Is it really true that H2 is faster than Derby?? http://en.wikipedia.org/wiki/Apache_Derby A year ago, I tried to remove the section that says that H2 is faster, but someone always added it back into the article. And besides me, seems like no one really care about the Comparison to other embedded SQL Java databases section. http://en.wikipedia.org/wiki/Talk:Apache_Derby#Benchmarks Is it a well-known fact that H2 is always faster?? And there is also H2's benchmark page: http://www.h2database.com/html/performance.html Is it a fair comparsion?? Rayson
Re: performance: Derby vs H2
Rayson, some/most of us are looking for best performance AND best stability/scalability/tools/etc. When I look for performance I usually go with Berkeley DB JE ;-) On Thu, Apr 22, 2010 at 7:14 PM, Rayson Ho raysonlo...@gmail.com wrote: On Thu, Apr 22, 2010 at 12:06 PM, bruehlicke bruehli...@gmail.com wrote: It is a unconstructive question to ask. It depends on many requirements and situations. I guess I just got an unconstructive answer from you :-D I am trying to find out whether the benchmarks they used are fair, and whether the Derby developers know that H2 is faster. Even with unfair benchmarks that make H2 really shine, can't Derby learn from H2?? And no, I don't have an application that I need to choose between Derby or H2. Rayson Is a car faster than an airplane ? Well if I have to go to the next corner shopping mall to pick up some milk your forgot, this is most likely the case. So try it out - and if you think one is faster than the other for your particular situation - go for it. For me the maturity, support, proven deployments and scalability together with features available are the key driving forces. B-) On Thu, Apr 22, 2010 at 11:47 AM, Rayson Ho raysonlo...@gmail.com wrote: Is it really true that H2 is faster than Derby?? http://en.wikipedia.org/wiki/Apache_Derby A year ago, I tried to remove the section that says that H2 is faster, but someone always added it back into the article. And besides me, seems like no one really care about the Comparison to other embedded SQL Java databases section. http://en.wikipedia.org/wiki/Talk:Apache_Derby#Benchmarks Is it a well-known fact that H2 is always faster?? And there is also H2's benchmark page: http://www.h2database.com/html/performance.html Is it a fair comparsion?? Rayson
Re: performance: Derby vs H2
On Thu, Apr 22, 2010 at 12:24 PM, Peter Ondruška peter.ondru...@gmail.com wrote: Rayson, some/most of us are looking for best performance AND best stability/scalability/tools/etc. Thanks for the reply, Peter. By stability, you mean ACID kind of stability?? Rayson When I look for performance I usually go with Berkeley DB JE ;-) On Thu, Apr 22, 2010 at 7:14 PM, Rayson Ho raysonlo...@gmail.com wrote: On Thu, Apr 22, 2010 at 12:06 PM, bruehlicke bruehli...@gmail.com wrote: It is a unconstructive question to ask. It depends on many requirements and situations. I guess I just got an unconstructive answer from you :-D I am trying to find out whether the benchmarks they used are fair, and whether the Derby developers know that H2 is faster. Even with unfair benchmarks that make H2 really shine, can't Derby learn from H2?? And no, I don't have an application that I need to choose between Derby or H2. Rayson Is a car faster than an airplane ? Well if I have to go to the next corner shopping mall to pick up some milk your forgot, this is most likely the case. So try it out - and if you think one is faster than the other for your particular situation - go for it. For me the maturity, support, proven deployments and scalability together with features available are the key driving forces. B-) On Thu, Apr 22, 2010 at 11:47 AM, Rayson Ho raysonlo...@gmail.com wrote: Is it really true that H2 is faster than Derby?? http://en.wikipedia.org/wiki/Apache_Derby A year ago, I tried to remove the section that says that H2 is faster, but someone always added it back into the article. And besides me, seems like no one really care about the Comparison to other embedded SQL Java databases section. http://en.wikipedia.org/wiki/Talk:Apache_Derby#Benchmarks Is it a well-known fact that H2 is always faster?? And there is also H2's benchmark page: http://www.h2database.com/html/performance.html Is it a fair comparsion?? Rayson
Re: performance: Derby vs H2
Not really. By stability I mean being happy Derby user since its Cloudscape ages.. On Thu, Apr 22, 2010 at 7:45 PM, Rayson Ho raysonlo...@gmail.com wrote: On Thu, Apr 22, 2010 at 12:24 PM, Peter Ondruška peter.ondru...@gmail.com wrote: Rayson, some/most of us are looking for best performance AND best stability/scalability/tools/etc. Thanks for the reply, Peter. By stability, you mean ACID kind of stability?? Rayson When I look for performance I usually go with Berkeley DB JE ;-) On Thu, Apr 22, 2010 at 7:14 PM, Rayson Ho raysonlo...@gmail.com wrote: On Thu, Apr 22, 2010 at 12:06 PM, bruehlicke bruehli...@gmail.com wrote: It is a unconstructive question to ask. It depends on many requirements and situations. I guess I just got an unconstructive answer from you :-D I am trying to find out whether the benchmarks they used are fair, and whether the Derby developers know that H2 is faster. Even with unfair benchmarks that make H2 really shine, can't Derby learn from H2?? And no, I don't have an application that I need to choose between Derby or H2. Rayson Is a car faster than an airplane ? Well if I have to go to the next corner shopping mall to pick up some milk your forgot, this is most likely the case. So try it out - and if you think one is faster than the other for your particular situation - go for it. For me the maturity, support, proven deployments and scalability together with features available are the key driving forces. B-) On Thu, Apr 22, 2010 at 11:47 AM, Rayson Ho raysonlo...@gmail.com wrote: Is it really true that H2 is faster than Derby?? http://en.wikipedia.org/wiki/Apache_Derby A year ago, I tried to remove the section that says that H2 is faster, but someone always added it back into the article. And besides me, seems like no one really care about the Comparison to other embedded SQL Java databases section. http://en.wikipedia.org/wiki/Talk:Apache_Derby#Benchmarks Is it a well-known fact that H2 is always faster?? And there is also H2's benchmark page: http://www.h2database.com/html/performance.html Is it a fair comparsion?? Rayson
Re: performance: Derby vs H2
I think the best authority on this is Thomas Mueller (father of h2) who has actually done some performance comparisons between databases. I remember reading some debate about this on some discussion groups a year or two ago. If you want peer reviewed scientific knowledge then you probably should run those tests yourself. I have seen sometimes Sun employees referring on this list to some sort of benchmarks for derby. But I have not found anything public from google. I think the countless benchmarks published by different database companies have proven that performance is such a complex issue that any type of result can be manufactured. However when done well and extensively they can give some overall understanding. Because H2 has only one developer the code is a bit more straightforward and simpler than Derby that has a rich and long history as a codebase. Therefore I think that H2 is a tad cleaner and faster than Derby in basic operation. Both databases have queries that are very slow. One could call them bugs. - rami On 22.4.2010 19:47, Rayson Ho wrote: Is it really true that H2 is faster than Derby?? http://en.wikipedia.org/wiki/Apache_Derby A year ago, I tried to remove the section that says that H2 is faster, but someone always added it back into the article. And besides me, seems like no one really care about the Comparison to other embedded SQL Java databases section. http://en.wikipedia.org/wiki/Talk:Apache_Derby#Benchmarks Is it a well-known fact that H2 is always faster?? And there is also H2's benchmark page: http://www.h2database.com/html/performance.html Is it a fair comparsion?? Rayson
Re: performance: Derby vs H2
Speed is important, but so is stability. H2 does not have anywhere near the track record of Derby. There are hundreds of thousands of Derby installations running 24/7. I have used Derby for years, as have my customers, in mission critical applications and I have never experienced a corruption or failure. Unless you are doing something truly advanced Derby is fast enough. For those other cases, H2 would also be unsuitable. You would need something like PostgreSQL or Oracle. Brett Sent from my iPhone On Apr 23, 2010, at 4:44, Rami Ojares rami.oja...@pdf-comics.com wrote: I think the best authority on this is Thomas Mueller (father of h2) who has actually done some performance comparisons between databases. I remember reading some debate about this on some discussion groups a year or two ago. If you want peer reviewed scientific knowledge then you probably should run those tests yourself. I have seen sometimes Sun employees referring on this list to some sort of benchmarks for derby. But I have not found anything public from google. I think the countless benchmarks published by different database companies have proven that performance is such a complex issue that any type of result can be manufactured. However when done well and extensively they can give some overall understanding. Because H2 has only one developer the code is a bit more straightforward and simpler than Derby that has a rich and long history as a codebase. Therefore I think that H2 is a tad cleaner and faster than Derby in basic operation. Both databases have queries that are very slow. One could call them bugs. - rami On 22.4.2010 19:47, Rayson Ho wrote: Is it really true that H2 is faster than Derby?? http://en.wikipedia.org/wiki/Apache_Derby A year ago, I tried to remove the section that says that H2 is faster, but someone always added it back into the article. And besides me, seems like no one really care about the Comparison to other embedded SQL Java databases section. http://en.wikipedia.org/wiki/Talk:Apache_Derby#Benchmarks Is it a well-known fact that H2 is always faster?? And there is also H2's benchmark page: http://www.h2database.com/html/performance.html Is it a fair comparsion?? Rayson
