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How do I enable PK chunking in Salesforce?
To enable the feature you specify the header ‘ Sforce-Enable-PKChunking ‘ on the job request for your Bulk API query. By default the Bulk API will split the query into 100,000 record chunks – you can use the ‘ chunkSize ‘ header field to configure smaller chunks or larger ones up to 250,000.
What is PK chunking in Informatica Cloud?
When you enable primary key chunking, the Bulk API splits the data set into multiple chunks based on the record ID and creates extract queries for each chunk. You can enable primary key chunking when your Salesforce connection uses version 32 or higher of the Salesforce API. The default chunk size is 100000.
What is chunking in Salesforce?
PK chunking splits the bulk queries into sections from the record IDs, or primary keys, of the queried records. Each chunk is processed as a separate batch that counts toward your daily batch limit, and you must download each batch’s results separately.
How to create Bulk data Load Jobs in Salesforce?
You can create update, or delete a large volume of records with the Bulk API, which is optimized for processing large sets of data. It makes it simple to load, update, or delete data from a few thousand to millions of records.
What is bulk query?
Use bulk query to efficiently query large data sets and reduce the number of API requests. A bulk query can retrieve up to 15 GB of data, divided into 15 files of 1 GB each. The data formats supported are CSV, XML, and JSON.
How do I create a thin table in Salesforce?
To enable skinny tables, contact Salesforce customer support. For each object table, Salesforce maintains other, separate tables at the database level for standard and custom fields. This separation ordinarily necessitates a join when a query contains both kinds of fields.
What is data classification in Salesforce?
Record the data owner, field usage, data sensitivity, and compliance categorization for any standard or custom object field. You can also access data classification metadata in the Salesforce API and Apex.
What are Salesforce skinny tables?
A skinny table is a custom table in the Force.com platform that contains a subset of fields from a standard or custom base Salesforce object. Force.com can have multiple skinny tables if needed, and maintains them and keeps them completely transparent to you.
When to enable PK chunking in Salesforce?
Salesforce recommends that you enable PK chunking when querying tables with more than 10 million records or when a bulk query consistently times out. However, the effectiveness of PK chunking depends on the specifics of the query and the queried data.
When to use a PK chunking request header?
Use the primary key (PK) Chunking request header to enable automatic PK chunking for a bulk query job. PK chunking splits bulk queries on large tables into chunks based on the record IDs, or primary keys, of the queried records.
How to disable PK chunking in bulk API?
Some query limitations apply that effectively disable PK chunking for the specified bulk query job: Filtering on any field with “id” in the field name (ID fields). Using an “ORDER BY” clause. TRUE —Enables PK chunking with the default chunk size, starting from the first record ID in the queried table.
What happens if the chunking fails in PK?
If the chunking fails, the original batch’s status shows as FAILED, but any chunked batches that were successfully queued during the chunking attempt are processed as normal. When the original batch’s status is changed to NOT_PROCESSED, monitor the subsequent batches.