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Error Messages - Apache Drill - Drill - [web site]
... error that tells you which node assigned the error. For example, [ 1ee8e004-2fce-420f-9790-5c6f8b7cad46 on 10.1.1.109:31010 ]. You can log into the node that assigned the error and grep...
... the Drill log for the ErrorId to get more information about the error. Thread names in the Drill logs also provide important information, including the query and fragment IDs. If a query fails...
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http://drill.apache.org/docs/error-messages/    2015-06-24, 00:24
Querying Directories - Apache Drill - Drill - [web site]
...            | +------------+------------------------+ 10 rows selected (0.296 seconds) You can drill down further and automatically query subdirectories as well. For example, assume that you have a logs directory that contains a subdirectory...
... for each year and subdirectories for each month (1 through 12). The month directories contain JSON files. [root@ip-172-16-1-200 logs]# pwd /mapr/drilldemo/labs/clicks/logs [root@ip-172-16-1-200...
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http://drill.apache.org/docs/querying-directories/    2015-06-24, 00:24
Querying Directories - Apache Drill - Drill - [web site]
...            | +------------+------------------------+ 10 rows selected (0.296 seconds) You can drill down further and automatically query subdirectories as well. For example, assume that you have a logs directory that contains a subdirectory...
... for each year and subdirectories for each month (1 through 12). The month directories contain JSON files. [root@ip-172-16-1-200 logs]# pwd /mapr/drilldemo/labs/clicks/logs [root@ip-172-16-1-200...
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http://drill.apache.org/docs/querying-directories    2015-06-24, 00:24
Performance Tuning Introduction - Apache Drill - Drill - [web site]
... for partition pruning Change storage formats Disable Logging (See Logging and Debugging)                           ← Performance TuningPartition Pruning →                    Copyright...
http://drill.apache.org/docs/performance-tuning-introduction/    2015-06-24, 00:24
Math and Trig - Apache Drill - Drill - [web site]
..., which take all types except FLOAT and DOUBLE types. DEGREES, EXP, RADIANS, and the multiple LOG functions take the input types in this list plus the DECIMAL type. In this release, Drill disables...
... integer not greater than x. LOG(x) FLOAT8 Returns the natural log (base e) of x. LOG(x, y) FLOAT8 Returns log base x to the y power. LOG10(x) FLOAT8 Returns the common log of x. LSHIFT(x, y...
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http://drill.apache.org/docs/math-and-trig/    2015-06-24, 00:24
Getting Query Information - Apache Drill - Drill - [web site]
...Getting Query Information                               The query log provides audit log functionality for the queries executed by various drillbits in the cluster. The log records...
... important information about queries executed on the Drillbit where Drill runs. The log includes query text, start time, end time, user, status, schema, and the query id. You can query one...
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http://drill.apache.org/docs/getting-query-information/    2015-06-02, 04:57
Configuring Connections on Windows - Apache Drill - Drill - [web site]
...\odbcad32.exe. Click the System DSN tab to create a system DSN or click the User DSN tab to create a user DSN. A system DSN is available for all users who log in to the machine. A user DSN...
.... Configure the types of events that you want the driver to log. Click Logging Options. For more information, see Logging Options. Create views or explore Drill sources. Click Drill Explorer...
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http://drill.apache.org/docs/configuring-connections-on-windows/    2015-06-02, 04:57
Lesson 1: Learn about the Data Set - Apache Drill - Drill - [web site]
... format. The data set for the tutorial consists of: Transactional data: stored as a Hive table Product catalog and master customer data: stored as MapR-DB tables Clickstream and logs data...
... shell is not already started, use a Terminal or Command Prompt to log into the demo VM as mapr, then enter sqlline, as described in "Getting to Know the Sandbox": You can run queries...
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http://drill.apache.org/docs/lesson-1-learn-about-the-data-set/    2015-06-24, 00:24
Lesson 1: Learn about the Data Set - Apache Drill - Drill - [web site]
... format. The data set for the tutorial consists of: Transactional data: stored as a Hive table Product catalog and master customer data: stored as MapR-DB tables Clickstream and logs data...
... shell is not already started, use a Terminal or Command Prompt to log into the demo VM as mapr, then enter sqlline, as described in "Getting to Know the Sandbox": You can run queries...
[+ show more]
http://drill.apache.org/docs/lesson-1-learn-about-the-data-set    2015-06-24, 00:24
Getting to Know the Drill Sandbox - Apache Drill - Drill - [web site]
... and executing SQL commands. On the sandbox, the Drill shell runs in embedded mode. After logging into the sandbox,  use the SQLLine command. The Drill shell appears, and you can run Drill queries...
... also includes a set of workspaces; each one represents a location in MapR-FS: root: access to the root file system location clicks: access to nested JSON log data logs: access to flat (non...
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http://drill.apache.org/docs/getting-to-know-the-drill-sandbox/    2015-06-24, 00:24
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB