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Spark checkpoint docs #181
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@ArtRand some light docs. |
ArtRand
suggested changes
Sep 12, 2017
docs/hdfs.md
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| @@ -21,6 +21,10 @@ For more information, see [Inheriting Hadoop Cluster Configuration][8]. | |||
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| For DC/OS HDFS, these configuration files are served at `http://<hdfs.framework-name>.marathon.mesos:<port>/v1/connection`, where `<hdfs.framework-name>` is a configuration variable set in the HDFS package, and `<port>` is the port of its marathon app. | |||
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| ### Spark Checkpointing | |||
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| In order to use spark with cehckpointing make sure you follow the instructions [here](https://spark.apache.org/docs/latest/streaming-programming-guide.html#checkpointing) and use an hdfs directory as the checkpoint directory. In the future we plan to support checkpointing at the driver level with local persistent volumes. | |||
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@skonto This is great. Could you add an example? Also, please remove In the future we plan to support checkpointing at the driver level with local persistent volumes. although I like the optimism, let's put this in when we have driver level checkpointing.
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@ArtRand pls review. |
susanxhuynh
reviewed
Oct 3, 2017
docs/hdfs.md
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| In order to use spark with checkpointing make sure you follow the instructions [here](https://spark.apache.org/docs/latest/streaming-programming-guide.html#checkpointing) and use an hdfs directory as the checkpointing directory. For example: | ||
| ``` | ||
| val checkpointDirectory = hdfs://hdfs/checkpoint |
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Add quotes around the string: "hdfs://hdfs/checkpoint"
docs/hdfs.md
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| @@ -87,7 +97,7 @@ Submit the job with the ticket: | |||
| ```$bash | |||
| dcos spark run --submit-args="\ | |||
| --kerberos-principal hdfs/name-0-node.hdfs.autoip.dcos.thisdcos.directory@LOCAL \ | |||
| --tgt-secret-path /__dcos_base64__tgt | |||
| --tgt-secret-path /__dcos_base64__tgt | |||
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@susanxhuynh pls review, I think its clear for merge. |
ArtRand
approved these changes
Oct 5, 2017
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Some basic stuff