<!DOCTYPE html> <html> <head> <meta name="databricks-html-version" content="1"> <title>002_loginToDatabricks - Databricks</title> <meta charset="utf-8"> <meta name="google" content="notranslate"> <meta http-equiv="Content-Language" content="en"> <meta http-equiv="Content-Type" content="text/html; charset=UTF8"> <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700"> <link rel="stylesheet" type="text/css" href="https://databricks-prod-cloudfront.cloud.databricks.com/static/201602081754420800-0c2673ac858e227cad536fdb45d140aeded238db/lib/css/bootstrap.min.css"> <link rel="stylesheet" type="text/css" href="https://databricks-prod-cloudfront.cloud.databricks.com/static/201602081754420800-0c2673ac858e227cad536fdb45d140aeded238db/lib/jquery-ui-bundle/jquery-ui.min.css"> <link rel="stylesheet" type="text/css" href="https://databricks-prod-cloudfront.cloud.databricks.com/static/201602081754420800-0c2673ac858e227cad536fdb45d140aeded238db/css/main.css"> <link rel="stylesheet" href="https://databricks-prod-cloudfront.cloud.databricks.com/static/201602081754420800-0c2673ac858e227cad536fdb45d140aeded238db/css/print.css" media="print"> <link rel="icon" type="image/png" href="https://databricks-prod-cloudfront.cloud.databricks.com/static/201602081754420800-0c2673ac858e227cad536fdb45d140aeded238db/img/favicon.ico"/> <script>window.settings = {"sparkDocsSearchGoogleCx":"004588677886978090460:_rj0wilqwdm","dbcForumURL":"http://forums.databricks.com/","dbfsS3Host":"https://databricks-prod-storage-sydney.s3.amazonaws.com","enableThirdPartyApplicationsUI":false,"enableClusterAcls":false,"notebookRevisionVisibilityHorizon":0,"enableTableHandler":true,"isAdmin":true,"enableLargeResultDownload":false,"nameAndEmail":"Raazesh Sainudiin (r.sainudiin@math.canterbury.ac.nz)","enablePresentationTimerConfig":true,"enableFullTextSearch":true,"enableElasticSparkUI":true,"clusters":true,"hideOffHeapCache":false,"applications":false,"useStaticGuide":false,"fileStoreBase":"FileStore","configurableSparkOptionsSpec":[{"keyPattern":"spark\\.kryo(\\.[^\\.]+)+","valuePattern":".*","keyPatternDisplay":"spark.kryo.*","valuePatternDisplay":"*","description":"Configuration options for Kryo serialization"},{"keyPattern":"spark\\.io\\.compression\\.codec","valuePattern":"(lzf|snappy|org\\.apache\\.spark\\.io\\.LZFCompressionCodec|org\\.apache\\.spark\\.io\\.SnappyCompressionCodec)","keyPatternDisplay":"spark.io.compression.codec","valuePatternDisplay":"snappy|lzf","description":"The codec used to compress internal data such as RDD partitions, broadcast variables and shuffle outputs."},{"keyPattern":"spark\\.serializer","valuePattern":"(org\\.apache\\.spark\\.serializer\\.JavaSerializer|org\\.apache\\.spark\\.serializer\\.KryoSerializer)","keyPatternDisplay":"spark.serializer","valuePatternDisplay":"org.apache.spark.serializer.JavaSerializer|org.apache.spark.serializer.KryoSerializer","description":"Class to use for serializing objects that will be sent over the network or need to be cached in serialized form."},{"keyPattern":"spark\\.rdd\\.compress","valuePattern":"(true|false)","keyPatternDisplay":"spark.rdd.compress","valuePatternDisplay":"true|false","description":"Whether to compress serialized RDD partitions (e.g. for StorageLevel.MEMORY_ONLY_SER). 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Sainudiin](https://nz.linkedin.com/in/raazesh-sainudiin-45955845) and [Sivanand Sivaram](https://www.linkedin.com/in/sivanand)\n\n*supported by* [](https://databricks.com/)\nand \n[ 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url](https://raw.githubusercontent.com/raazesh-sainudiin/scalable-data-science/master/db/week1/01_introduction/002_loginToDatabricks.html) of this databricks notebook and its recorded Uji :\n\n[","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"7dcb6a9a-989b-4e10-acfa-ee9d9e54ded3"},{"version":"CommandV1","origId":7439,"guid":"caae7bcf-6090-47a5-a1f8-7743b977c125","subtype":"command","commandType":"auto","position":2.9375,"command":"%md\n### Step 3: recognize your ``Home`` area in ``Workspace`` where you can read and write.\n\n\n\n**Note**: From week 2 onwards, you only need to clone the folder for that week (to preserve any changes you made to the notebooks from previous weeks).","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"33499ba0-5246-4140-8a7a-4ae3440331e5"},{"version":"CommandV1","origId":7441,"guid":"b4f9ce62-3aeb-4212-902f-d468ec8056a9","subtype":"command","commandType":"auto","position":2.953125,"command":"%md\n### Step 6: loading the ``003_scalaCrashCourse`` notebook\n","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"712fefa8-19ee-4244-adde-7ba21edccfa5"},{"version":"CommandV1","origId":7473,"guid":"8164f2fa-2598-43b8-a851-6c858997774b","subtype":"command","commandType":"auto","position":2.984375,"command":"%md\n### Step 7: Attaching ``003_scalaCrashCourse`` notebook to the databricks clusters\n#### UC-enrolled students connect to ``studentsEnrolled`` cluster.\n#### others plese connect to ``studentsObserving1`` cluster.\n#### in the example below our mock student has connected to the ``classCluster`` cluster.\n","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"9711720f-8a42-466c-b123-8487ee5a6c49"},{"version":"CommandV1","origId":7475,"guid":"1b53e016-dc7c-4392-a665-f37dd0ebbc5b","subtype":"command","commandType":"auto","position":2.99609375,"command":"%md\n\n\n**Finally**, you are ready to use the notebook in your own Workspace and follow along the material being covered, execute cells, modify examples and try them out right away, take extra notes in mark-down enhanced via latex, etc.","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"c8cce0ba-4cd9-43dc-9363-bed8c18bbcf4"},{"version":"CommandV1","origId":7722,"guid":"0440d939-a665-497b-bfa4-0d9cae625451","subtype":"command","commandType":"auto","position":2.998046875,"command":"%md\n## III. Essentials of Databricks Cloud (DBC)","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"1b51724a-b0ec-436f-b50d-27e289a92d59"},{"version":"CommandV1","origId":7724,"guid":"4dab3988-6420-483b-8778-471a8d709780","subtype":"command","commandType":"auto","position":2.99853515625,"command":"%md\n## DBC Essentials: What is Databricks Cloud?\n\n","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"d9ce9a77-bf01-49dd-a72c-fb3aa1f70880"},{"version":"CommandV1","origId":7723,"guid":"df981b4e-6fc2-48ac-9b9e-25c52ef6261d","subtype":"command","commandType":"auto","position":2.9990234375,"command":"%md\n## DBC Essentials: Shard, Cluster, Notebook and Dashboard\n\n","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"1db83031-3a1b-44c5-a61c-a21fab6e7a7d"},{"version":"CommandV1","origId":7725,"guid":"38f078e1-edb2-4c6c-b89b-d89ee72b06d7","subtype":"command","commandType":"auto","position":2.99951171875,"command":"%md\n## DBC Essentials: Team, State, Collaboration, Elastic Resources\n\n","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"f5acbbf6-98ce-401a-99e9-0860d539de29"},{"version":"CommandV1","origId":7726,"guid":"b8c5cebe-0e49-4df8-bb91-28b6cb6597cf","subtype":"command","commandType":"auto","position":2.999755859375,"command":"%md\nLet us dive into Scala crash course in a notebook!","commandVersion":0,"state":"finished","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"07fa9ec9-f97e-418b-bfc7-3d84198ad5f3"},{"version":"CommandV1","origId":5157,"guid":"5331bf50-cd2c-4498-8ae8-ef58dda357f4","subtype":"command","commandType":"auto","position":3.0,"command":"%md\n\n# [Scalable Data Science](http://www.math.canterbury.ac.nz/~r.sainudiin/courses/ScalableDataScience/)\n\n\n### prepared by [Raazesh Sainudiin](https://nz.linkedin.com/in/raazesh-sainudiin-45955845) and [Sivanand Sivaram](https://www.linkedin.com/in/sivanand)\n\n*supported by* [](https://databricks.com/)\nand \n[](https://www.awseducate.com/microsite/CommunitiesEngageHome)","commandVersion":0,"state":"error","results":null,"errorSummary":null,"error":null,"startTime":0.0,"submitTime":0.0,"finishTime":0.0,"collapsed":false,"bindings":{},"inputWidgets":{},"displayType":"table","width":"auto","height":"auto","xColumns":null,"yColumns":null,"pivotColumns":null,"pivotAggregation":null,"customPlotOptions":{},"commentThread":[],"commentsVisible":false,"parentHierarchy":[],"diffInserts":[],"diffDeletes":[],"globalVars":{},"latestUser":"","commandTitle":"","showCommandTitle":false,"hideCommandCode":false,"hideCommandResult":false,"iPythonMetadata":null,"nuid":"0c35a1a5-e6c4-40ab-a616-9626b5adc413"}],"dashboards":[],"guid":"fd437f8d-3538-400e-9aa0-e5a813bc807c","globalVars":{},"iPythonMetadata":null,"inputWidgets":{}};</script> <script src="https://databricks-prod-cloudfront.cloud.databricks.com/static/201602081754420800-0c2673ac858e227cad536fdb45d140aeded238db/js/notebook-main.js" 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