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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/01/11 11:18:18 UTC

[GitHub] [iotdb] haimeiguo commented on a change in pull request #2469: clarify sdt doc

haimeiguo commented on a change in pull request #2469:
URL: https://github.com/apache/iotdb/pull/2469#discussion_r554977019



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File path: docs/UserGuide/Concept/SDT.md
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@@ -30,19 +30,21 @@ IoTDB allows you to specify the properties of SDT when creating a time series, a
 
 * CompDev (Compression Deviation)
 
-CompDev is the most important parameter in SDT that represents the maximum difference between the current sample and the current linear trend.
+CompDev is the most important parameter in SDT that represents the maximum difference between the 
+current sample and the current linear trend. Default value is 0.

Review comment:
       if use SDT and not set compDev or compDev is set to < 0, will throw error.. 




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