rmetzger commented on a change in pull request #11831:
URL: https://github.com/apache/flink/pull/11831#discussion_r415542394
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File path: flink-end-to-end-tests/test-scripts/common_ha.sh
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@@ -23,10 +23,9 @@ source "${END_TO_END_DIR}"/test-scripts/common.sh
# flag indicating if we have already cleared up things after a test
CLEARED=0
-JM_WATCHDOG_PID=0
Review comment:
The `JM_WATCHDOG_PID` is used in the `stop_watchdogs` function, which is
called from different bash-processes.
Because of that, if the variable is set in one process, it's not available
in the other one.
That's why I decided to store the PID in a file.
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