Questions tagged [hbase]

Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigtable.

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Why is dropping a table from HBase a blocking operation?

After a lot of preparation work, today we were ready to drop our biggest HBase table (1 petabyte before replication) from the database. As needed, we started with disabling the table, this took 4 minutes. After confirming nobody saw any issues, we…
Paul
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Storing a large, sparse matrix in Apache Hbase?

I'm currently testing out Apache Hbase for our Matrix analytics service. I'm using a managed cluster running on AWS EMR. The matrices are sparse, and we have 50,000 columns, and up to 10 million rows. The values are integer values The main…
gacharya
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Binary storage in Cassandra, HBase

I am looking at some implementations of Cassandra and HBase for medium-sized data sets (~1M resources) to be exposed to clients as graphs (via e.g. Tinkerpop). I would also like to store binaries in the same data stores. While it seems like both…
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incremental update in HBase using sqoop

i am working on a POC where i need to implement same like SSIS for sql to hadoop. out DW are in SQL Server and we want to create a HBase at central location where all the data from diff DW will be posted. for the first time load i can do it using…
Radhi
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Automating HBase Online Merges

Long story short; I have an HBase database that divided into a huge number of small regions. I'm trying to merge them into larger regions, as the huge number of regions is drastically slowing performance. I'm looking for a simple way to automate the…
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Is Big data solutions a good option for 500 million temporal records?

So I have about 250k items x 2000 days (2010 to 2019) ~= 500 million records. For each item I have variable number of fields. To begin with we have 50 fields defined for each item but in the future we want the ability to add more fields. With that…
Aditya
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Does HBase support spatial functionality?

I see mention for spatial functional in HBase. For example "HBaseSpatial: A Scalable Spatial Data Storage Based on HBase". What spatial functionality does HBase support and where is this documented?
e7lT2P
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