Tyler Crain

> Thanks @tcrain : > > > Theoretically writes were supposed to inherit the parent folder's (bucket's) mode bits of `770` but in reality they were committed as `755` for...

Can you add a unit test please?

Do you think it would also be worth while to add this monitoring for AlluxioJobMasterProcess?

It looks like the values in OperationSystemGaugeSet.java have the update times set to only once every 10 minutes, maybe this should be changed to a smaller value to make this...

I wonder if you could add a bit more comments to describe how some of these are used? Maybe a brief description at the top of each class describing the...

> > It looks like the values in OperationSystemGaugeSet.java have the update times set to only once every 10 minutes, maybe this should be changed to a smaller value to...

> a high level question, does this invalidation take effect even if metadata sync is turned off. (ie. meta sync interval = -1) Yes. If there is an invalidation, then...

Thanks for the pull request. I wonder if a better solution would be to track the oldest time any of the children have been synced and update the root last...

Yes, my initial thought would be for the function to return the last sync time, instead of true/false. Then the root directory will update its sync time with the oldest...

> How large is the extra state mapping? Fuse by itself will keep a long as an offset. This will the the inode ID. The problem with this is that...