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How Google Cloud BigQuery enables big DevOps at JFrog

November 15, 2021
How Google Cloud BigQuery enables big DevOps at JFrog
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Exterior Cloud Storage Logs

In our exterior cloud storage, logs for a number of tasks accumulate in the identical bucket. To pick out solely the logs associated to our venture, we created a customized Python script and scheduled it to run every day to carry out these duties:

  1. Authenticate, learn and choose the information associated to our venture.

  2. Course of the information.

  3. Load the processed knowledge into BigQuery.

We used the BigQuery stream ingestion API to stream our log knowledge immediately into BigQuery. There may be additionally  BigQuery Knowledge Switch Service (DTS) which is a totally managed service to ingest knowledge from Google SaaS apps akin to Google Advertisements, exterior cloud storage suppliers akin to Amazon S3 and transferring knowledge from knowledge warehouse applied sciences akin to Teradata and Amazon Redshift. DTS automates knowledge motion into BigQuery on a scheduled and managed foundation. 

Stage 2: Storage in BigQuery

BigQuery organizes knowledge tables into items known as datasets. These datasets are scoped to a  GCP venture. These a number of scopes — venture, dataset, and desk — assist construction info logically. To be able to consult with a desk from the command line, in SQL queries, or in code, we consult with it by utilizing the next assemble: `venture.dataset.desk`.

BigQuery leverages the columnar storage format and compression algorithm to retailer knowledge in Colossus, optimized for studying massive quantities of structured knowledge. Colossus additionally handles replication, restoration (when disks crash) and distributed administration (so there is no such thing as a single level of failure). Colossus allows BigQuery customers to scale to dozens of petabytes of information saved seamlessly, with out paying the penalty of attaching rather more costly compute sources as in conventional knowledge warehouses.

Retaining knowledge in BigQuery is a finest follow in case you’re seeking to optimize each value and efficiency. One other finest follow is utilizing BigQuery’s desk partitioning and clustering options to construction the information to match widespread knowledge entry patterns.

When a desk is clustered in BigQuery, the desk knowledge is routinely organized based mostly on the contents of a number of columns within the desk’s schema. The columns you specify are used to collocate associated knowledge. When new knowledge is added to a desk or a particular partition, BigQuery performs automated re-clustering within the background to revive the type property of the desk or partition. Computerized reclustering is totally free and autonomous for customers.

A partitioned desk is a particular desk that’s divided into segments, known as partitions, that make it simpler to handle and question your knowledge. You possibly can usually break up massive tables into many smaller partitions utilizing knowledge ingestion time or TIMESTAMP/DATE column or an INTEGER column. BigQuery helps the next methods of making partitioned tables :

  1. Ingestion time partitioned tables

  2. DATE/TIMESTAMP column partitioned tables

  3. INTEGER vary partitioned tables

We used ingestion time partitioned BigQuery tables as our knowledge storage. Ingestion time partitioned tables are:

  • Partitioned on the information’s ingestion time or arrival time.

  • BigQuery routinely hundreds knowledge into every day, date based mostly partitions reflecting the information’s ingestion or arrival time.

Partition administration is essential to completely maximizing BigQuery efficiency and price when querying over a particular vary — it ends in scanning much less knowledge per question, and pruning is set earlier than question begin time. Whereas partitioning reduces value and improves efficiency, it additionally prevents value explosion resulting from customers by chance querying actually massive tables in entirety.



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