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+# Stats tools
+
+These tools are suitable for parsing librdkafka's statistics
+as emitted by the `stats_cb` when `statistics.interval.ms` is set.
+
+ * [to_csv.py](to_csv.py) - selectively convert stats JSON to CSV.
+ * [graph.py](graph.py) - graph CSV files.
+ * [filter.jq](filter.jq) - basic `jq` filter.
+
+Install dependencies:
+
+    $ python3 -m pip install -r requirements.txt
+
+
+Examples:
+
+    # Extract stats json from log line (test*.csv files are created)
+    $ grep -F STATS: file.log | sed -e 's/^.*STATS: //' | ./to_csv.py test1
+
+    # Graph toppar graphs (group by partition), but skip some columns.
+    $ ./graph.py --skip '*bytes,*msg_cnt,stateage,*msgs,leader' --group-by 1partition test1_toppars.csv