Forum Discussion

Brass Contributor

Sep 13, 2023

Connection Pooling

Hi Azure Cosmos Db Team, Is there any best practices to identify if there is connection pooling happening with Cosmos Db JAVA SDK? I see for pointread call the average duration in ms is well arou...

nitinrahim

Brass Contributor

Oct 02, 2023

Hi Team,

Was just following up to see if the team has any inputs regarding the same?

With Regards,
Nitin Rahim

nitinrahim

Brass Contributor

Oct 26, 2023

Hi Team,

When running load tests the below is a specific error that we are getting for high latency requests.For certain others we see traces for Region Contacted, System Information, ClientCfgs , Storeresponses in application insights for cosmos database calls.

io.netty.channel.ConnectTimeoutException: connection timed out

Our direct connection configuration parameters are below.
connCfg":{"rntbd":"(cto:PT0.6S, nrto:PT5S, icto:PT0S, ieto:PT5H, mcpe:130, mrpc:30, cer:true)

We have set that based on the recommendations below.
https://learn.microsoft.com/en-us/azure/cosmos-db/nosql/tune-connection-configurations-java-sdk-v4?tabs=api-async

https://devblogs.microsoft.com/cosmosdb/java-sdk-v4-diagnostics/

Any insights regarding the same is appreciated.

With Regards,
Nitin Rahim