pan3793 commented on code in PR #3237:
URL: https://github.com/apache/incubator-kyuubi/pull/3237#discussion_r947084596
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kyuubi-server/src/main/scala/org/apache/kyuubi/server/mysql/MySQLCommandHandler.scala:
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@@ -53,6 +55,8 @@ class MySQLCommandHandler(be: BackendService, execPool:
ThreadPoolExecutor)
// handle process exception, generally should send error packet
override def exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable):
Unit = {
+ MetricsSystem.tracing(_.incCount(MYSQL_CONN_FAIL))
Review Comment:
I don't think so, if the socket is broken, then `channel.isActive` should be
false
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