Done issues

Alluxio Fuse: only block getting size of incomplete file when fuse release() is called but not finished.
ALLUXIO-3391
Support taking daily master metadata snapshots
ALLUXIO-3384
Improve master startup time
ALLUXIO-3342
Support allow_other option for FUSE
ALLUXIO-2231
Remove method UnderFileSystem.create(path) w/o options
ALLUXIO-3209
Garbage collect fs master clients
ALLUXIO-3394
Introduce gRPC for both the control and data path
ALLUXIO-3316
Logic in CheckConsistency is not consistent with Metadata Sync in File System Master
ALLUXIO-3363
Simplify additional GCS documentation in Configuring-Alluxio-with-GCS
ALLUXIO-2923
Improve comment style in GlusterFSUnderFileSystem
ALLUXIO-2930
Change the ls shell command to sort results by file or dir names
ALLUXIO-3029
Support storing master metadata in RocksDB
ALLUXIO-3362
Make copyFromLocal upload files concurrently
ALLUXIO-3395
Remove Guava Suppliers
ALLUXIO-3303
Add a parallelism factor to the persist command
ALLUXIO-3383
Alluxio metrics number is inaccurate
ALLUXIO-3370
mvn 3.6.0 cannot compile Alluxio
ALLUXIO-3378
Improve Handling of SSD failures
ALLUXIO-3373
Reduce Web home page reliance on ufs mount points
ALLUXIO-3353
add fuse integration test
ALLUXIO-3361
Journal replay failure after rm -R and re-create on a mount point
ALLUXIO-3352
There is a problem starting Alluxio Master using "safe" mode
ALLUXIO-3368
Alluxio-Fuse du command does not have correct result
ALLUXIO-3366
Improve logging when job master is at full capacity
ALLUXIO-3355
DefaultFileSystemMaster#listStatus throws 'Path is no longer valid, possibly due to a concurrent delete.'When concurrent deletion occurs.
ALLUXIO-3358
Security support
ALLUXIO-132
HDFS URI hostname/port is not respected
ALLUXIO-3356
Fix the issue that help subcommand requires alluxio.master.hostname set
ALLUXIO-3343
Under file system storage of local file system by SSH protocol
ALLUXIO-3283
Address client side scalability issues
ALLUXIO-3338
UfsJournals gain primacy in parallel
ALLUXIO-3302
Fuse in OSXfuse unable to mount directory without permission
ALLUXIO-3349
Fuse chown :groupName filename and chgrp does not work
ALLUXIO-3348
Support -h -s --memory --header options in du CLI
ALLUXIO-3340
Alluxio Fuse uid/gid user/group mapping with GCS/S3
ALLUXIO-3344
Alluxio Block unavailable in both Alluxio and UFS
ALLUXIO-3346
merge config checker and tests to master branch
ALLUXIO-3213
Address job master scalability
ALLUXIO-3339
Allow Alluxio to use UFS as a fallback storage tier if there isn't enough space available.
ALLUXIO-3341
Avoid empty string as a value for property keys
ALLUXIO-3334
Support cluster startup monitoring for job service nodes
ALLUXIO-3333
Client URI accepts hostname:port format, but ignores it
ALLUXIO-2396
Support a distributed job management service in Alluxio
ALLUXIO-3327
Enable inheriting parent permissions when creating inodes
ALLUXIO-3220
Fix journaling in createFile and createDirectory in AlluxioFileSystemMaster
ALLUXIO-2737
Alluxio impersonation property does not recognize users w/ the character `-`
ALLUXIO-3241
Flaky hanging in RPCMessageIntegrationTest
ALLUXIO-1268
Alluxio LoginContext created with incorrect ClassLoader
ALLUXIO-2828
Avoid creating tmp UFS files when creating a file
ALLUXIO-2998
Enable Alluxio to sync its metadata with UFS metadata
ALLUXIO-3063
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