[Bugs] [Bug 1240970] New: [Data Tiering]: HOT Files get demoted from hot tier

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1240970

            Bug ID: 1240970
           Summary: [Data Tiering]: HOT Files get demoted from hot tier
           Product: GlusterFS
           Version: mainline
         Component: tiering
          Severity: urgent
          Assignee: bugs at gluster.org
          Reporter: josferna at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:

Files which are HOT are getting demoted from the hot tier.

Version-Release number of selected component (if applicable):
master

How reproducible:

1) create a dist-rep volume 1x2
2) start the volume 
3) switch off the performance xlator (optional)
4) attach a dist-rep tier 1x2
5) fuse mount the volume
6) create a file : touch file1.
7) heat up the file : for i in {1..10}; do touch file1; done
8) wait for the default promotion/demotion frequency secs i.e sleep 120
9) the file demoted! [shouldn't demote!!]
10) Heat up the file again: for i in {1..10}; do touch file1; done
11) wait for the default promotion/demotion frequency secs i.e sleep 120
12) the file is promoted [as expected]
13) heat up the file : for i in {1..10}; do touch file1; done
14) wait for the default promotion/demotion frequency secs i.e sleep 120
15) the file demoted! [shouldn't demote!!]


Actual results:
HOT file Demoted!

Expected results:
HOT File shouldn't demote


Additional info:

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