Adding upstream version 1.29.3.upstream/1.29.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+<!--
+title: "OracleDB monitoring with Netdata"
+custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/oracledb/README.md
+sidebar_label: "OracleDB"
+-->
+
+# OracleDB monitoring with Netdata
+
+Monitors the performance and health metrics of the Oracle database.
+
+## Requirements
+
+-   `cx_Oracle` package.
+-   Oracle Client (using `cx_Oracle` requires Oracle Client libraries to be installed).
+
+It produces following charts:
+
+-   session activity
+    -   Session Count
+    -   Session Limit Usage
+    -   Logons
+-   disk activity
+    -   Physical Disk Reads/Writes
+    -   Sorts On Disk
+    -   Full Table Scans
+-   database and buffer activity
+    -   Database Wait Time Ratio
+    -   Shared Pool Free Memory
+    -   In-Memory Sorts Ratio
+    -   SQL Service Response Time
+    -   User Rollbacks
+    -   Enqueue Timeouts
+-   cache
+    -   Cache Hit Ratio
+    -   Global Cache Blocks Events
+-   activities
+    -   Activities
+-   wait time
+    -   Wait Time
+-   tablespace
+    -   Size
+    -   Usage
+    -   Usage In Percent
+-   allocated space
+    -   Size
+    -   Usage
+    -   Usage In Percent
+
+## prerequisite
+
+To use the Oracle module do the following:
+
+1.  Install `cx_Oracle` package ([link](https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html)).
+
+2.  Install Oracle Client libraries
+    ([link](https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html#install-oracle-client)).
+
+3.  Create a read-only `netdata` user with proper access to your Oracle Database Server.
+
+Connect to your Oracle database with an administrative user and execute:
+
+```
+ALTER SESSION SET "_ORACLE_SCRIPT"=true;
+
+CREATE USER netdata IDENTIFIED BY <PASSWORD>;
+
+GRANT CONNECT TO netdata;
+GRANT SELECT_CATALOG_ROLE TO netdata;
+```
+
+## Configuration
+
+Edit the `python.d/oracledb.conf` configuration file using `edit-config` from the Netdata [config
+directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
+
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d/oracledb.conf
+```
+
+```yaml
+local:
+  user: 'netdata'
+  password: 'secret'
+  server: 'localhost:1521'
+  service: 'XE'
+
+remote:
+  user: 'netdata'
+  password: 'secret'
+  server: '10.0.0.1:1521'
+  service: 'XE'
+```
+
+All parameters are required. Without them module will fail to start.
+
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fcollectors%2Fpython.d.plugin%2Foracledb%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)