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https://issues.apache.org/jira/browse/HDDS-2657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986228#comment-16986228
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Ayush Saxena commented on HDDS-2657:
------------------------------------
HDDS-2580, Could be a reason for this,
The output stream was created before the input stream, so if there is no key,
still the output stream creates the empty file.
Uploaded fix.
Verified :
{noformat}
ayush@ayushpc:~/ozone/hadoop-ozone/hadoop-ozone/dist/target/ozone-0.5.0-SNAPSHOT/bin$
./ozone sh key get "hive/bucket/key 21" "file 21"
KEY_NOT_FOUND Key not found
ayush@ayushpc:~/ozone/hadoop-ozone/hadoop-ozone/dist/target/ozone-0.5.0-SNAPSHOT/bin$
ll
total 24
drwxr-xr-x 2 ayush ayush 4096 Dec 2 22:55 ./
drwxr-xr-x 13 ayush ayush 4096 Dec 2 23:05 ../
-rwxr-xr-x 1 ayush ayush 12786 Dec 2 22:55 ozone*
{noformat}
Pls Review!!!
> Key get command creates the output file even in case of KEY_NOT_FOUND
> ---------------------------------------------------------------------
>
> Key: HDDS-2657
> URL: https://issues.apache.org/jira/browse/HDDS-2657
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Ayush Saxena
> Priority: Major
> Attachments: HDDS-2657-01.patch
>
>
> If a key isn't found, the key get command still creates an output file of 0
> size.
> {noformat}
> ayush@ayushpc:~/ozone/hadoop-ozone/hadoop-ozone/dist/target/ozone-0.5.0-SNAPSHOT/bin$
> ll
> total 36
> drwxr-xr-x 3 ayush ayush 4096 Dec 2 22:41 ./
> drwxr-xr-x 13 ayush ayush 4096 Nov 30 19:39 ../
> -rwxr-xr-x 1 ayush ayush 12786 Nov 30 19:35 ozone*
> ayush@ayushpc:~/ozone/hadoop-ozone/hadoop-ozone/dist/target/ozone-0.5.0-SNAPSHOT/bin$
> ./ozone sh key get "hive/bucket/key 21" "file 21"
> KEY_NOT_FOUND Key not found
> ayush@ayushpc:~/ozone/hadoop-ozone/hadoop-ozone/dist/target/ozone-0.5.0-SNAPSHOT/bin$
> ll
> total 36
> drwxr-xr-x 3 ayush ayush 4096 Dec 2 22:42 ./
> drwxr-xr-x 13 ayush ayush 4096 Nov 30 19:39 ../
> -rw-r--r-- 1 ayush ayush 0 Dec 2 22:42 'file 21'
> -rwxr-xr-x 1 ayush ayush 12786 Nov 30 19:35 ozone*
> {noformat}
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