HDDS-1881. Design doc: decommissioning in Ozone by elek · Pull Request #1196 · apache/hadoop

elek · 2019-07-31T12:15:08Z

Design doc can be attached to the documentation. In this jira the design doc will be attached and merged to the documentation page.

See: https://issues.apache.org/jira/browse/HDDS-1881

hadoop-yetus · 2019-08-01T11:54:43Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-01T11:54:47Z

💔 -1 overall

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hadoop-yetus · 2019-08-01T15:48:05Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-01T15:48:06Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-01T15:48:08Z

💔 -1 overall

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hadoop-yetus · 2019-08-01T22:57:35Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-01T22:57:36Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-01T22:57:38Z

💔 -1 overall

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hadoop-yetus · 2019-08-08T01:54:08Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-08T01:54:10Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-08T01:54:12Z

💔 -1 overall

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hadoop-yetus · 2019-08-08T10:20:29Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-08T10:20:30Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-08T10:20:32Z

💔 -1 overall

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hadoop-yetus · 2019-08-16T16:11:49Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-16T16:11:50Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-16T16:11:53Z

💔 -1 overall

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hadoop-yetus · 2019-08-20T13:43:06Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-20T13:43:08Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-20T13:43:10Z

💔 -1 overall

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hadoop-yetus · 2019-08-22T12:24:29Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-22T12:24:31Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-22T12:24:49Z

💔 -1 overall

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hadoop-yetus · 2019-08-27T09:53:22Z

+
+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |


whitespace:tabs in line

hadoop-yetus · 2019-08-27T09:53:23Z

+   Node state                            | Variable (# of containers)      |
+   --------------------------------------|---------------------------------|
+   HEALTHY	                             | `healthy`                       |
+   STALE + DEAD + DECOMMISSIONED	     |                                 |


whitespace:tabs in line

hadoop-yetus · 2019-08-27T09:53:25Z

💔 -1 overall

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anuengineer · 2019-08-01T15:18:08Z

+
+The second kind is when the failure is 'transient.' The user knows that this failure is temporary and cluster in most cases can safely ignore this issue. However, if the transient failures are going to cause a failure of availability; then the user would like the Ozone to take appropriate actions to address it.  An example of this case, is if the user put 3 data nodes into maintenance mode and switched them off.
+
+The transient failure can violate the availability guarantees of Ozone; Since the user is telling us not to take corrective actions. Many times, the user does not understand the impact on availability while asking Ozone to ignore the failure.


The -> Some

elek added the ozone label Jul 31, 2019

HDDS-1881. Design doc: decommissioning in Ozone

7e00a5a

elek force-pushed the HDDS-1881 branch from 606ea75 to 7e00a5a Compare July 31, 2019 12:15

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minor whitespace improvement to support pdf conversion

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		The second kind is when the failure is 'transient.' The user knows that this failure is temporary and cluster in most cases can safely ignore this issue. However, if the transient failures are going to cause a failure of availability; then the user would like the Ozone to take appropriate actions to address it. An example of this case, is if the user put 3 data nodes into maintenance mode and switched them off.

		The transient failure can violate the availability guarantees of Ozone; Since the user is telling us not to take corrective actions. Many times, the user does not understand the impact on availability while asking Ozone to ignore the failure.

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hadoop-yetus commented Aug 8, 2019

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hadoop-yetus commented Aug 16, 2019

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hadoop-yetus commented Aug 20, 2019

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hadoop-yetus commented Aug 22, 2019

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hadoop-yetus commented Aug 27, 2019

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