virajjasani edited a comment on pull request #3852: URL: https://github.com/apache/hbase/pull/3852#issuecomment-971465945
I just tested on the latest HEAD of master branch. **Configs:** ``` <property> <name>hbase.master.cleaner.snapshot.interval</name> <value>10000</value> </property> ``` **Shell commands and respective outputs:** > snapshot 't1', 's2' Took 2.1034 seconds > snapshot 't1', 's3', {TTL => -2} Took 1.0925 seconds => [{"TTL"=>-2}] > snapshot 't1', 's1', {TTL => 5} Took 2.1023 seconds => [{"TTL"=>5}] <img width="1630" alt="Screenshot 2021-11-17 at 4 17 11 PM" src="https://user-images.githubusercontent.com/34790606/142187725-e0f67af3-90bc-47ef-bd28-f73285c27dd3.png"> After 5sec, the snapshot was gone. <img width="1568" alt="Screenshot 2021-11-17 at 4 19 32 PM" src="https://user-images.githubusercontent.com/34790606/142187833-749fb7a2-5a31-4956-9f65-b7fb8bda36ee.png"> **Configs:** ``` <property> <name>hbase.master.cleaner.snapshot.interval</name> <value>10000</value> </property> <property> <name>hbase.master.snapshot.ttl</name> <value>20</value> </property> ``` **Shell commands and respective outputs:** > snapshot 't1', 's4' Took 2.7291 seconds Snapshot 's4' gets created with TTL 20 sec because of config `hbase.master.snapshot.ttl`: <img width="1584" alt="Screenshot 2021-11-17 at 4 21 49 PM" src="https://user-images.githubusercontent.com/34790606/142188010-15a2abf1-26aa-4553-a803-ec2e96b5803d.png"> After 20s, it was gone: <img width="1539" alt="Screenshot 2021-11-17 at 4 22 04 PM" src="https://user-images.githubusercontent.com/34790606/142188219-1ada2b96-0a64-4f6c-b5f2-711b3abfc8e8.png"> > snapshot 't1', 's5', {TTL => -10} Took 2.1079 seconds => [{"TTL"=>-10}] <img width="1618" alt="Screenshot 2021-11-17 at 4 23 43 PM" src="https://user-images.githubusercontent.com/34790606/142188278-ed70511c-bea6-44f8-a3d6-c70c674bbd57.png"> 1. TTL with negative values will stay forever regardless of any server side config changes. 2. TTL with positive values will be gone after TTL expires. 3. Snapshot created without specifying TTL will always have TTL values represented by config `hbase.master.snapshot.ttl`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@hbase.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org