AWS Big Data

MARCH 2, 2023

Whenever there is an update to the Iceberg table, a new snapshot of the table is created, and the metadata pointer points to the current table metadata file. At the top of the hierarchy is the metadata file, which stores information about the table’s schema, partition information, and snapshots.

Data Lake 114

Data Lake Data Processing Metadata Snapshot 114

Cloudera

AUGUST 8, 2022

Time Travel: Reproduce a query as of a given time or snapshot ID, which can be used for historical audits and rollback of erroneous operations, as an example. 4 2005 7140596. We see that as of the first snapshot ( 7445571238522489274) we had data from the years 1995 to 2005 in the table. 1 2008 7009728. 2 2007 7453215.

Snapshot 90

Snapshot Data Warehouse Machine Learning Cost-Benefit 90

AWS Big Data

OCTOBER 11, 2023

Frequent materialized view refreshes on top of constantly changing base tables due to streamed data can lead to snapshot isolation errors. For the template and setup information, refer to Test Your Streaming Data Solution with the New Amazon Kinesis Data Generator. We use two datasets in this post.

Management 101

Management Metadata Analytics Dashboards 101