private void handleAgentStat(ServerHeader header, PAgentStat agentStat) {
        if (logger.isDebugEnabled()) {
            logger.debug("Handle PAgentStat={}", MessageFormatUtils.debugLog(agentStat));
        }

        final AgentEventBo agentEventBo = this.agentEventMapper.map(agentStat, header);
        if (agentEventBo == null) {
            return;
        }

        try {
            insert(agentEventBo);
        } catch (Exception e) {
            logger.warn("Failed to handle agentStat={}", MessageFormatUtils.debugLog(agentStat), e);
        }
    }
@author Taejin Koo
@author jaehong.kim - Add AgentEventMessageSerializerV1
collector/src/main/java/com/navercorp/pinpoint/collector/handler/grpc/GrpcAgentEventHandler.java