Unanswered Questions in Database
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Hello,
I have an architecture with 2 Lambdas, a DynamoDB table with PK+SK, and DAX. The use-case is as follow:
- Lambda 1 put Items in DAX using PK and SK with standard DynamoDB interface
```
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11
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asked an hour agolg...
We are encountering a issue where we're utilizing the "super" datatype. The column in the Parquet file we receive has a maximum length of 192K. How should we handle this data? Are there alternative...
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33
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asked 19 hours agolg...
I'm attempting to move from an Opensearch Service domain to Opensearch Serverless, and one issue I've hit is that `more_like_this` queries using a set of input document ids do not return any matches,...
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33
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asked 4 days agolg...
Edit: Figured this out. Had to replace "redis://" with "rediss://" to use TLS, and had to enable the feature on the package in my Cargo.toml. Maybe this will help someone else out.
I'm using...
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254
views
asked 5 days agolg...
The default parameter group for MySQL8.0 sets `replica_exec_mode` to `IDEMPOTENT`. I couldn't find any documentation why RDS decided to do it.
The default is `STRICT`. IDEMPOTENT would skip errors...
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167
views
asked 9 days agolg...
I'm trying to write a script to upgrade an RDS PostgreSQL instance from version x to version y. Since RDS only supports direct upgrades to certain versions, the script uses multiple "hops" to upgrade,...
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63
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asked 11 days agolg...
i want to do a embedding search with filter on aws Documents db. eg
MATCH (u:User {{user_id: 'user'}})-[:Has_chunk]->(n:Text)
CALL neptune.algo.vectors.topKByEmbedding(
...
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118
views
asked 11 days agolg...
I want to create a bedrock agent with a knowledge base. For the knowledge base I have to use Opensearch. So, I created an opensearch serverless collection and I need to create a vector index and...
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43
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asked 14 days agolg...
We were originally using a db.r5.8xlarge as our write instance, and Performance Insights was displaying the DB load queries properly. However, after updating to a db.r5.16xlarge more than a week ago,...
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165
views
asked 15 days agolg...
we have upgraded our RDS db from mysql5.7 to mysql8.0.36 using RDS blue/green deployment. since than we are having issue.
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171
views
asked 15 days agolg...
I'm experimenting with Neptune Analytics using the example notebooks, and have encountered difficulties with data loading.
When I create an empty graph and a notebook instance that is related to it...
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54
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asked 16 days agolg...
Alternative method for Jedis.memoryUsage(byte[] key) method which will work on AWS ElastiCache redislg...
While using memoryUsage(key) method of Jedis i am getting this following error "errorMessage": "ERR unknown command 'memory', with args beginning with: USAGE" is it possible that this method is not...
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50
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asked 16 days agolg...