There's also a doc here: http://hbase.apache.org/book.html#profiler Thanks.
On Mon, Jun 3, 2019 at 9:25 PM OpenInx <[email protected]> wrote: > Hi : > > In HBASE-21926, Andrew introduced the great profile tool (async-profiler > ) into our HBase. > It's very easy to use this: > 1. you need to download the binary of async-profier from here: > https://github.com/jvm-profiling-tools/async-profiler > 2. then you need to set a java option which point to the home of > async-profiler lib, here I set: > -Dasync.profiler.home=/home/work/soft > because my async-profiler is under here: > > [work@soft]$ pwd > /home/work/soft > [work@soft]$ tree > . > ├── async-profiler-1.5-linux-x64.tar.gz > ├── build > │ ├── async-profiler.jar > │ ├── jattach > │ └── libasyncProfiler.so > ├── CHANGELOG.md > ├── LICENSE > ├── profiler.sh > └── README.md > > 1 directory, 8 files > > 3. finally, you can need restart the RS and click the [profier] tab in RS > web UI, then you will see the flame graph. > > You can also see the java doc for more details: > > https://github.com/apache/hbase/blob/858d30dd30159de70ac62d44c0ee0278708f2dec/hbase-http/src/main/java/org/apache/hadoop/hbase/http/ProfileServlet.java > > Thanks. > > On Mon, Jun 3, 2019 at 9:15 PM Jean-Marc Spaggiari < > [email protected]> wrote: > >> Hi all, >> >> Not sure it's the right plateform, but can someone explain me how flame >> graphs (Like the one here) >> https://issues.apache.org/jira/browse/HBASE-22532 are >> generated? >> >> Thanks, >> >> JMS >> >
