xcangCRM commented on a change in pull request #371: HBASE-22648 : Introducing
Snapshot TTL
URL: https://github.com/apache/hbase/pull/371#discussion_r303138175
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File path: hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
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@@ -1445,6 +1445,9 @@
"hbase.util.default.lossycounting.errorrate";
public static final String NOT_IMPLEMENTED = "Not implemented";
+ // Default Snapshot TTL - 30 days (good enough?)
+ public static final long DEFAULT_SNAPSHOT_TTL = 24 * 3600 * 30;
Review comment:
So, what's the usage of the default TTL? If user doesn't specify TTL, should
we just use default Snapshot API to take snapshot and keep it forever? If user
specifies TTL, we use the value user set.
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