update README & add chlog

.chloggen/redis-prefix.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: 'enhancement'
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: redisstorageextension
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: allow redis key prefix to be specified in extension config
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [37677]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]

extension/storage/redisstorageextension/README.md

@@ -21,7 +21,7 @@ The extension requires read and write access to a Redis cluster.
 - `password` (optional): The password to connect to the redis instance. Default: ``
 - `db` (optional): Database to be selected after connecting to the server. Default: 0
 - `expiration` (optional): TTL for all storage entries. Default TTL means the key has no expiration time. Default: 0
-- `prefix` (optional): Prefix to be used for a redis key. Default:`<component_kind>_<component_type>_<component_name>_<storage_extension_name>` - e.g. `receiver_filelog_` if filelog receiver & redisstorage extension have no names
+- `prefix` (optional): The prefix used for the redis key. If specified, it will be appended to the default as follows: `_<prefix>`. Default: `<component_kind>_<component_type>_<component_name>_<storage_extension_name>`.
 
 ## Example