				// 400KiB limit (in docs there is KB but they mean KiB) -
				// https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ServiceQuotas.html
				// This includes both attribute names' and values' lengths
				pub const DDB_ITEM_SIZE_LIMIT: usize = 1024 * 400;

				// 4MB limit
				// WARNING: use keeping in mind that grpc adds its own headers to messages
				// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
				// so the message that actually is being sent over the network looks like this
				// [Compressed-Flag] [Message-Length] [Message]
				// [Compressed-Flag] 1 byte - added by grpc
				// [Message-Length] 4 bytes - added by grpc
				// [Message] N bytes - actual data
				// so for every message we get 5 additional bytes of data
				// as mentioned here
				// https://github.com/grpc/grpc/issues/15734#issuecomment-396962671
				// grpc stream may contain more than one message
				pub const GRPC_CHUNK_SIZE_LIMIT: usize = 4 * 1024 * 1024;
				pub const GRPC_METADATA_SIZE_PER_MESSAGE: usize = 5;

web/sidebar/community-picker.react.js

				// 400KiB limit (in docs there is KB but they mean KiB) -
				// https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ServiceQuotas.html
				// This includes both attribute names' and values' lengths
				pub const DDB_ITEM_SIZE_LIMIT: usize = 1024 * 400;

				// 4MB limit
				// WARNING: use keeping in mind that grpc adds its own headers to messages
				// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
				// so the message that actually is being sent over the network looks like this
				// [Compressed-Flag] [Message-Length] [Message]
				// [Compressed-Flag] 1 byte - added by grpc
				// [Message-Length] 4 bytes - added by grpc
				// [Message] N bytes - actual data
				// so for every message we get 5 additional bytes of data
				// as mentioned here
				// https://github.com/grpc/grpc/issues/15734#issuecomment-396962671
				// grpc stream may contain more than one message
				pub const GRPC_CHUNK_SIZE_LIMIT: usize = 4 * 1024 * 1024;
				pub const GRPC_METADATA_SIZE_PER_MESSAGE: usize = 5;

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