reduce record size

Signed-off-by: Ping Yu <yuping@pingcap.com>
tikv · Feb 13, 2024 · 88bebcc · 88bebcc
1 parent 7ceeefb
commit 88bebcc
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diff --git a/cdc/tests/integration_tests/flow_control/config/workload b/cdc/tests/integration_tests/flow_control/config/workload
@@ -34,3 +34,5 @@ insertproportion=0
 
 requestdistribution=uniform
 
+fieldcount=1
+fieldlength=100
diff --git a/cdc/tests/integration_tests/flow_control/run.sh b/cdc/tests/integration_tests/flow_control/run.sh
@@ -55,7 +55,9 @@ EOF
 		exit 1
 	fi
 	# We set `per-changefeed-memory-quota=10M` and forbid sorter to use memory cache data,
-	# so maybe there is 10M of memory for data. But still needs some memory to hold related data structures.
+	# so maybe there is 10M of memory for data.
+	# Note that there is memory usage between puller & sorter, and it's limited by size of channels.
+	# Use small record size to reduce memory usage of this part (see flow_control/config/workload).
 	expected=307200 #300M
 	used=$(expr $rss1 - $rss0)
 	echo "cdc server used memory: $used"