How do I store files in Cassandra?

Create files folder at the root level to keep the images (which we will upload). In GetFile, we hit the Select query to get the blob stored in Cassandra table and write it into a file. After execution, you may check the new image created at the root folder. This approach is OK when your files are smaller in size(KBs).

Does Walmart use Cassandra?

Building Object Store — Storing Images in Cassandra at Walmart Scale. Walmart has been using proprietary technology to store all of its product images and other assets. As Walmart started scaling assortment massively, we were facing severe scaling issues for setting up the product images.

Is Cassandra an object store?

Cassandra is built for a different purpose and object-storage meta-data is not one of them. The areas where Cassandra struggles are the areas that are core to a performant, scalable and resilient object store.

What is blob data type in Cassandra?

Cassandra blob data type represents a constant hexadecimal number. The Cassandra blob data type represents a constant hexadecimal number defined as 0[xX](hex)+ where hex is a hexadecimal character, such as [0-9a-fA-F]. A blob type is suitable for storing a small image or short string.

Can I store images in Cassandra?

1 Answer. Yes, Cassandra is definitely able to store files in its database, as “blobs”, strings of bytes. So if you want to store large files in Cassandra, you’ll probably want to split them up into many small blobs – not one large blob.

Is Cassandra Read heavy or write heavy?

Cassandra is very fast writing bulk data in sequence and reading them sequentially. Cassandra is very performant on reads when compared to other storage systems, even for read-heavy workloads. As in any database, reads are best when the hot working set fits into memory.

How do I insert blob data in Cassandra?

CREATE TABLE function_test1 ( Name varchar PRIMARY KEY, type_value blob ); To insert data into the table using the following CQL query. INSERT INTO function_test1 (Name, type_value) VALUES (‘Ashish’, bigintAsBlob(5)); INSERT INTO function_test1 (Name, type_value) VALUES (‘Rana’, bigintAsBlob(9));

Can Cassandra store JSON?

Cassandra provides support for JSON. You can, of course, store JSON text into Cassandra text columns.