Only use 1 thread for file installer watcher
--------------------------------------------
Key: KARAF-1218
URL: https://issues.apache.org/jira/browse/KARAF-1218
Project: Karaf
Issue Type: Improvement
Affects Versions: 2.2.5
Reporter: Claus Ibsen
Priority: Minor
When running Apache Karaf 2.2.5 then we want to run it with as low overhead as
possible. Out of the box it has around 30+ live threads running, which is a
fair bit.
We should try to consolidate if applicable. For example there is 2 separate
threads for picking up file installer. This can be implemented as a single
thread instead.
{code}
"fileinstall-/opt/apache-karaf-2.2.5/deploy" daemon prio=5 tid=7fa0cc26d800
nid=0x1104ec000 in Object.wait() [1104eb000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7e0690610> (a
org.apache.felix.fileinstall.internal.DirectoryWatcher)
at
org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:268)
- locked <7e0690610> (a
org.apache.felix.fileinstall.internal.DirectoryWatcher)
"fileinstall-/opt/apache-karaf-2.2.5/etc" daemon prio=5 tid=7fa0cc26a800
nid=0x1103e9000 in Object.wait() [1103e8000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7e068e778> (a
org.apache.felix.fileinstall.internal.DirectoryWatcher)
at
org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:268)
- locked <7e068e778> (a
org.apache.felix.fileinstall.internal.DirectoryWatcher)
{code}
Those 2 thread should be a single thread, that just watches the 2 directories.
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