chore(redis): remove comments and update README

Author: adbista

packages/instrumentation-redis/README.md

@@ -3,7 +3,7 @@
 [![NPM Published Version][npm-img]][npm-url]
 [![Apache License][license-image]][license-image]
 
-This module provides automatic instrumentation for the [`redis`](https://github.com/NodeRedis/node_redis) module versions `>=2.6.0 <5`, which may be loaded using the [`@opentelemetry/sdk-trace-node`](https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-sdk-trace-node) package and is included in the [`@opentelemetry/auto-instrumentations-node`](https://www.npmjs.com/package/@opentelemetry/auto-instrumentations-node) bundle.
+This module provides automatic instrumentation for the [`redis`](https://github.com/NodeRedis/node_redis) module versions `>=2.6.0 <6`, which may be loaded using the [`@opentelemetry/sdk-trace-node`](https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-sdk-trace-node) package and is included in the [`@opentelemetry/auto-instrumentations-node`](https://www.npmjs.com/package/@opentelemetry/auto-instrumentations-node) bundle.
 
 If total installation size is not constrained, it is recommended to use the [`@opentelemetry/auto-instrumentations-node`](https://www.npmjs.com/package/@opentelemetry/auto-instrumentations-node) bundle with [@opentelemetry/sdk-node](`https://www.npmjs.com/package/@opentelemetry/sdk-node`) for the most seamless instrumentation experience.
 
@@ -17,7 +17,7 @@ npm install --save @opentelemetry/instrumentation-redis
 
 ### Supported Versions
 
-- [`redis`](https://www.npmjs.com/package/redis) versions `>=2.6.0 <5`
+- [`redis`](https://www.npmjs.com/package/redis) versions `>=2.6.0 <6`
 
 ## Usage
 
@@ -82,10 +82,13 @@ Attributes collected:
 | Attribute              | Short Description                                            |
 |------------------------|--------------------------------------------------------------|
 | `db.connection_string` | URL to Redis server address, of the form `redis://host:port` |
-| `db.statement`         | Executed Redis statement                                     |
-| `db.system`            | Database identifier; always `redis`                          |
-| `net.peer.name`        | Hostname or IP of the connected Redis server                 |
-| `net.peer.port`        | Port of the connected Redis server                           |
+| `db.operation.name` | Redis command name |
+| `db.operation.batch.size` | Number of commands in a Redis `MULTI/EXEC` transaction |
+| `db.query.text`         | The database query being executed                                     |
+| `db.system.name`            | Database identifier; always `redis`                          |
+| `server.address`        | Hostname or IP of the connected Redis server                 |
+| `server.port`        | Port of the connected Redis server                           |
+
 
 ## Useful links
 

packages/instrumentation-redis/src/v2-v3/instrumentation.ts

@@ -148,13 +148,6 @@ export class RedisInstrumentationV2_V3 extends InstrumentationBase<RedisInstrume
             [ATTR_SERVER_PORT]: this.connection_options.port,
           });
         }
-        if (this.address) {
-          // DB_CONNECTION_STRING is deprecated; Replaced by server.address and server.port.
-          // span.setAttribute(
-          //   SEMATTRS_DB_CONNECTION_STRING,
-          //   `redis://${this.address}`
-          // );
-        }
 
         const originalCallback = arguments[0].callback;
         if (originalCallback) {