Solved Go to solution Writing parquet file to hdfs for internal Hive table Labels: Apache Hive Wilber Contributor Created 08-11-2020 07:22 PM I'm trying to overwrite a parquet file in hdfs for a Hive table, but I noticed a bunch of individual parquet files with uni...
a symbolic link can now be used. Edit the hadoop-env.cmd file and set JAVA_HOME as \java_home. Save and close the file. Now, try the syntax $hdfs once again.
Basically I am reading some data from HDFS, mapping some columns and then writing them to a different HDFS folder. However, the last step does not work, I receive the following error: Traceback (most recent call last): File "./mgmt_score_dist.py", line 52, in <module> main() File...
that is needed for fast file access. The reason we store XDF files in Hadoop this way is for fast file access and to take advantage of HDFS block sizes. You will need to store the results from rxPredict() as a composite XDf file ...
I agree to follow this project'sCode of Conduct Search before asking I have searched in theissuesand found no similar issues. Describe the bug When the shuffle stage finished, some blocks in server are being written to hdfs file, which will cause the client reading ops to fail. ...
Example: Reading Text Data on HDFS Perform the following procedure to create a sample text file, copy the file to HDFS, and use thehdfs:textandhdfs:csvprofiles and the default PXF server to create two PXF external tables to query the data: ...
An HDFS client file fails to be closed after data is written to the file. A message is displayed indicating that the data block does not have enough replicas. Client log: 2015-05-27 19:00:52.811 [pool-2-thread-3] ERROR: /tsp/nedata/collect/UGW/ugwufdr/20150527/10/6_20150527105000_201...
1) To observe the Datanode threads: Created a widget in Ambari under HDFS for DataNode Threads (Runnable, Waited, Blocked) Monitored that from a particular date the threads went in wait stage. Exported the graph widget CSV file to view the exact time of wait threads. 2) Restart a...
Copy the JAR file generated in 2 (for example, CollectFemaleInfo.jar) to the Spark running environment (that is, the Spark client), for example, /opt/female. Run the Spark application. For details about the sample project, see Developing Spark Applications. Do not restart the HDFS service ...
Reading a binary file from HDFS into a Spark dataframe: Is it possible? Question: My attempt to migrate code from pandas to (py)Spark has hit a snag. Specifically, I'm struggling with the input stage, as I need to figure out how to read binary data and insert it into a Spark Datafr...