Xikui Wang has posted comments on this change.

Change subject: [ASTERIXDB-2075][HYR] Add disk free space to Heartbeat using df
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Patch Set 4:

(1 comment)

https://asterix-gerrit.ics.uci.edu/#/c/1967/4/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/DiskFreeSizeCalculatorFactory.java
File 
hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/profiling/DiskFreeSizeCalculatorFactory.java:

Line 40: class DFDiskFreeSpaceCalculator implements IDiskFreeSpaceCalculator {
> Why couldn't we use Java's FileStore API get free disk space?https://docs.o
Didn't know we could use this one... I'm wondering whether this is synchronous 
call as well? Also, it seems this cannot deal with IODevices on the same disk?


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ia52f1b0867227446b0c5bee95ea4abdfb451064a
Gerrit-PatchSet: 4
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Xikui Wang <xkk...@gmail.com>
Gerrit-Reviewer: Anon. E. Moose #1000171
Gerrit-Reviewer: Dmitry Lychagin <dmitry.lycha...@couchbase.com>
Gerrit-Reviewer: Jenkins <jenk...@fulliautomatix.ics.uci.edu>
Gerrit-Reviewer: Michael Blow <mb...@apache.org>
Gerrit-Reviewer: Xikui Wang <xkk...@gmail.com>
Gerrit-Reviewer: abdullah alamoudi <bamou...@gmail.com>
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