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Split Package problem in hbase-client module in apache hbase
I am working on creating module-info.java file for hbase-client module in apache hbase project. Now, hbase-client has direct incoming dependency on hbase-common module.
In apache hbase project, most ...
0
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0
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72
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PySpark to Teradata insert fails with java.sql.BatchUpdateException when using batchsize
I am trying to insert data from HBase into Teradata using PySpark.
The data is read into a Spark DataFrame and inserts successfully when I limit the DataFrame to 3000–5000 rows like this:
df = df....
0
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0
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24
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Apache Phoenix Array support containing null value
I use Apache phoenix to manage data in Hbase and I want to keep null value in array.
I notice a behaviour where array column for primitive type cannot have null value in it. While I try to find any ...
0
votes
1
answer
63
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layer preview in GeoMesa-HBase
I'm using GeoServer to connect to GeoMesa-HBase for displaying data. However, when I navigate to the "Layer Preview" section of GeoServer, I get an error. Interestingly, when I select the &...
0
votes
1
answer
69
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Why am I getting a ClassNotFoundException for hadoop.conf.Configuration in Eclipse?
I am trying to create a table in Hbase using Java, but I keep getting a ClassNotFoundException.
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HColumnDescriptor;
...
0
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40
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Hadoop-2.6.5 and HBase 1.1.2 folder not created
When trying to run the following command from my EC2 instance in AWS I get the following:
hadoop-2.6.5/bin/hadoop fs -ls /hbase
ls: `/hbase': No such file or directory
I have the following:
core-site....
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55
views
Error when starting HBase 2.5.11 in Ubuntu Studio 20.04
I am trying to install Hbase in Ubuntu Studio and run it in standalone mode. I've installed Java, set up the JAVA_HOME and HBASE_HOME in .bashrc, set up the JAVA_HOME in hbase-env, set up the datadir ...
-1
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2
answers
54
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How do I figure out which HBase version(s) is compatible with Hadoop-2.6.5?
I must install HBase on my Virtual Machines, which are Linux Ubuntu LTS 20.04. I was wondering if there was a way to determine which HBase version is compatible with, because I saw the mention of ...
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32
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Apache Phoenix - Indexes - Global or Local?
What are the main differences between local and global indexes in Apache Phoenix?
When is it good to use one and when the other?
I tried googling but I don't find anything on that topic.
Also, I know ...
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0
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28
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HBase consistency model(within the same cluster)
Background :
HBase reads seem to fall under the 'strong consistency' model, as : All reads are served from the master where the data has already been committed. As a result, the clients seem to always ...
1
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0
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37
views
HBase AggregationClient average of specific column
Schema description
I have an HBase table called measurements which has two column families: measurement and instrument. In the measurement family there are columns measurement:1, measurement:2 etc. ...
0
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0
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31
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Batch size in opentsdb
What is optimum batch size in opentsdb?
0
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1
answer
58
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How to get Apache Pheonix return HBase column family?
Using HBase to store data and Apache Pheonix as client to query, I found the output is weird.
Step 1: Load data to HBase
I load data from a DB to HBase using this format
Column Name
Column Family
...
0
votes
1
answer
50
views
how to avoid Hbase flushing small files
Our HBase cluster (version 2.1.10) is generating excessively small HFiles,
often below 10 MB and sometimes as low as 2 KB.
This occurs despite configuring hbase.hregion.memstore.flush.size to a 256M ...
0
votes
1
answer
87
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Interact with HBase running in Docker through Java code
I am quite new to Hbase and Java. I managed to run an HBase image in docker, I can interact with using the hbase shell smoothly. And I also have access to the UI for monitoring HBase. However, when I ...