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Is there anything out there which is similar to this tool? I'm hoping to do some verification of our caching setup with Hibernate.
I found TPTP, but it seems that the project is dead.
Is there any other good profiling tool out there to verify Hibernate Caching configurations?
You could try jvisualvm, it is bundled with the jvm since 1.6_10.
It should enable you to inspect the heap and stack, even against jvm's that are running on a remote host.
Have you tried yourkit? In J2EE mode it can show you the Database calls you app does. If you dont implement caching properly it will show you the extra calls. It has a free 30 day trial. Should be enough for a one off test
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I'd like to be able to log what code is being executed in a JVM down to the method level and even the individual lines that are being executed. This would be a handy capability for QA purposes. I know that this is possible because Jacoco already does something similar to report on code coverage. However, it's not clear to me how this is done and I'm not sure I want to use their agent. Has anyone had experience logging this type of data? Are there any tools that can help?
So you want to log information not for functional checks but more for code coverage and performance analyis.
Rather than creating the solution from scratch and inside your application you might want to look into Application Performance Monitoring tools that can easily be attached to any application and thus are reusable. Here is a noncomplete list of such tools.
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I am designing an app. I want to know store some metrics about my app in free cloud database. The metrics includes which functionality users using more, number of downloads, user preferences etc. Later, I would like to query this database to understand app metrics.
I googled and found there are some free database hosting services like FireBase, Buddy. I am not sure which one to choose for my use case. Any suggestions?
I know this is not a programming question but its a design requirement I want to make, and if it not the correct place to ask, atleast route me to correct path instead of simply closing or down voting.
I found answer to my question finally! It is Google Analytics.
Simple and easier to configure and use. Still exploring :-)
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we started with static code analysis and I would like to see how we compare with other projects. Now I am aware I could go out and run tools for different OS projects, but I was curious if there is a repository for this data. such as
cyclomatic complexity, code coverage, size of methods, size of classes, scope nesting, etc
thanks
almir
For Java OS projects a free monitoring system with some metrics is available here: http://opensource.quality-gate.com/
Ohloh.net has a few of the metrics you mentioned
FLOSS Metrics may have some
FLOSSmole - includes data from the now-defunct SourceKibitzer though it's a little old (2007), as well as the same metrics run on Debian packages in 2011
Sourcerer may have some
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I am looking for a RPC stack that can be used between a Java Server and C++ clients.
My requirements are:
Ease of integration (for both C++ and Java)
Performance, especially number of concurrent connections and response time. Payload are mostly binaries (8-100kb)
I found some like:
http://code.google.com/p/protobuf-socket-rpc/
http://code.google.com/p/netty-protobuf-rpc/
Are there any other good alternatives?
Thrift might be worth investigating.
I used to worked with protocol buffer and I was very satisfied. It's really very, very fast.
And You can easy integrate it with Java and C++.
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We want to compare general performance (CPU, I/O, network, ...) of different JVMs for the same Java version (1.5) in different environments (Windows, Solaris, ...).
Do you know of any JVM benchmarking application which can be used to compare results from different JVMs?
Thank you very much.
We ended up using SPECjvm2008 as we needed something more 'standard' than 'rigorous'.
The goal was to quickly compare performance between different JVM environments and show it to systems group. SPECjvm2008 was quite easy to setup and served well to the task.
The Java Grande Forum Benchmark Suite seems a little outdated, but it's the only one I found which speaks about I/O and network bandwith.