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#Tsm 4 window too large update
#Tsm 4 window too large code

The 400 bad request occurs on query operations where the continuation token is used if the continuation token has grown too large or if different queries have different continuation token sizes. Other consistency levels don't use the session token. The session token is only used for session consistency, which is the default consistency level for Azure Cosmos DB.

If the direct connection mode with the TCP protocol isn't an option for your workload, mitigate it by changing the client consistency level.

Make sure to use the latest version of the SDK, which has a fix for query operations when the service interop isn't available. The direct connection mode with the TCP protocol doesn't have the header size restriction like the HTTP protocol, so it avoids this issue. Convert the application to use the direct connection mode with the Transmission Control Protocol (TCP). These minor versions contain optimizations to reduce the session token size to prevent the header from growing and hitting the size limit. To avoid this issue completely, use the solution in the next section. Eventually, the session token will grow back to the previous size that caused the issue. Restart your client application to reset all the session tokens. The number of partitions increases as the amount of data increases or if the throughput is increased. The session token grows as the number of partitions increases in the container.

The exception started without making any changes to the application.

#Tsm 4 window too large update

The error occurs on point operations like create, read, and update where there isn't a continuation token.If the following statements are true, the session token is too large: Session token is too large Cause:Ī 400 bad request most likely occurs because the session token is too large.

The following sections describe the cause of the issue and its solution in each category. The "Request header too large" message occurs if the session or the continuation token is too large. Use at least version 3.x or 2.x, because these versions add header size tracing to the exception message. We recommend that you use the latest version of the SDK. This error occurs if the size of the request header has grown so large that it exceeds the maximum-allowed size.

#Tsm 4 window too large code

The "Request header too large" message is thrown with an HTTP error code 400.