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![table = dynamodb.create_table(
TableName='my-table',
KeySchema=[{'AttributeName': 'id', 'KeyType': 'HASH'}],
AttributeDefinitions=[{'AttributeName': 'id', 'AttributeType': 'S'}],
BillingMode='PAY_PER_REQUEST',
VectorIndexes=[
{
'IndexName': 'embedding-index',
'VectorAttribute': {'AttributeName': 'embedding', 'Dimensions': 1536},
}
],
)
13
Alternator Vector Search](https://image.slidesharecdn.com/scylladb2026-260813185924-8ac4c533/85/ScyllaDB-Product-Update-DynamoDB-Streams-Strong-Consistency-More-13-320.jpg)
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![response = table.query(
IndexName='embedding-index',
Limit=10,
VectorSearch={
'QueryVector': {'L': [{'N': '0.1'}, {'N': '-0.3'}, {'N': '0.7'}, ...]},
},
)
Performing the ANN search:
Alternator Vector Search
14](https://image.slidesharecdn.com/scylladb2026-260813185924-8ac4c533/85/ScyllaDB-Product-Update-DynamoDB-Streams-Strong-Consistency-More-14-320.jpg)
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![-- Add a new datacenter
ALTER KEYSPACE my_ks WITH replication = {
'class': 'NetworkTopologyStrategy',
'dc1': ['RAC1', 'RAC2'],
'dc2': ['RAC3', 'RAC4', 'RAC5']
};
-- Remove a datacenter
ALTER KEYSPACE my_ks WITH replication = {
'class': 'NetworkTopologyStrategy',
'dc1': ['RAC1', 'RACK2'],
'dc2': []
};
Rack Aware Replication
36](https://image.slidesharecdn.com/scylladb2026-260813185924-8ac4c533/85/ScyllaDB-Product-Update-DynamoDB-Streams-Strong-Consistency-More-36-320.jpg)
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ScyllaDB Product Update: DynamoDB Streams, Strong Consistency & More
Discover what’s new and get a first look at experimental features The new 2026.2 release is more stable, faster, and all-around better than any past ScyllaDB release. We strongly encourage upgrading and using it for any new deployments. Join ScyllaDB product leaders live for a look at what’s so special about this release. We’ll cover: - DynamoDB compatible API (Alternator) enhancements: DynamoDB compatible Streams and Vector Search extension. - Performance and Stability: Trie index performance enhancements and streamlined connection storm handling. - ScyllaDB Cloud: New Private Link connectivity feature and Vector Search integrations (LangChain, LlamaIndex, Spring AI, Agno, and more). - Experimental features: Strongly Consistent Tables and vNode-to-Tablet online migration. Whether you’re already running ScyllaDB or just starting to explore high-performance databases, this session will provide a clear view of where our database is heading and how we might support your use cases.
