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cluster-computing - 显示重新启动 XDQPServer 的 MarkLogic 日志文件，

问题描述

我们正在使用 MarkLogic 9.0-7.2

最近查看MarkLogic日志文件，发现有很多日志记录发生在Restarting XDQPServer，Stopping XDQPServerConnection，Starting国内XDQPServerConnection。

这发生在 3 节点集群中的一个节点上，同时同一节点上的 CPU 使用率出现峰值

2019-07-19 02:22:05.730 Info: Merging 12 MB from /data/Forests/test-002-1/00004965 and /data/Forests/test-002-1/00004964 to /data/Forests/test-002-1/00004966, timestamp=15635023204760890
2019-07-19 02:22:05.907 Info: Merged 4 MB at 23 MB/sec to /data/Forests/test-002-1/00004966
2019-07-19 02:22:10.092 Info: Deleted 4 MB at 1559 MB/sec /data/Forests/test-002-1/00004964
2019-07-19 02:22:10.094 Info: Deleted 8 MB at 3340 MB/sec /data/Forests/test-002-1/00004965
2019-07-19 02:33:40.108 Notice: Restarting XDQPServer, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:51376, recvTicks=20, sendTicks=17, sslChange=0
2019-07-19 02:33:40.108 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:51366, requests=0, recvTicks=0, sendTicks=14, recvs=45474194, sends=37524064, recvBytes=22595104264, sendBytes=36091745084
2019-07-19 02:33:40.108 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:51370, requests=0, recvTicks=0, sendTicks=10, recvs=45782975, sends=37524025, recvBytes=119571059752, sendBytes=36127613500
2019-07-19 02:33:40.108 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:51376, requests=0, recvTicks=0, sendTicks=18, recvs=45441834, sends=37524005, recvBytes=22565188068, sendBytes=36066592356
2019-07-19 02:33:42.900 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:54600
2019-07-19 02:33:43.125 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46748, requests=0, recvTicks=0, sendTicks=0, recvs=4419607, sends=3677988, recvBytes=2305124592, sendBytes=3496374804
giving more
2019-07-19 02:33:43.125 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46754, requests=0, recvTicks=0, sendTicks=0, recvs=4398854, sends=3677936, recvBytes=2407770572, sendBytes=3503131292
2019-07-19 02:33:43.125 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46752, requests=0, recvTicks=0, sendTicks=0, recvs=4398978, sends=3677956, recvBytes=2270303720, sendBytes=3497036524
2019-07-19 02:33:43.176 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46886
2019-07-19 02:33:44.807 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46888
2019-07-19 02:33:45.085 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46890
2019-07-19 02:33:48.372 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:54602
2019-07-19 02:33:53.633 Info: Saving /data/failover/Forests/test-001-1-2/00004935
2019-07-19 02:33:53.894 Info: Saved 8 MB at 31 MB/sec to /data/failover/Forests/test-001-1-2/00004935
2019-07-19 02:33:53.947 Info: Merging 30 MB from /data/failover/Forests/test-001-1-2/00004934 and /data/failover/Forests/test-001-1-2/00004935 to /data/failover/Forests/test-001-1-2/00004936, timestamp=15635029812437490
2019-07-19 02:34:01.953 Info: Merged 22 MB in 8 sec at 3 MB/sec to /data/failover/Forests/test-001-1-2/00004936
2019-07-19 02:34:04.214 Info: Deleted 22 MB at 6685 MB/sec /data/failover/Forests/test-001-1-2/00004934
2019-07-19 02:34:04.218 Info: Deleted 8 MB at 2427 MB/sec /data/failover/Forests/test-001-1-2/00004935
2019-07-19 02:34:05.041 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46886, requests=0, recvTicks=0, sendTicks=9, recvs=60, sends=66, recvBytes=140384, sendBytes=40020
2019-07-19 02:34:05.041 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46890, requests=0, recvTicks=0, sendTicks=4, recvs=57, sends=20, recvBytes=167120, sendBytes=63332
2019-07-19 02:34:05.041 Info: Stopping XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46888, requests=0, recvTicks=0, sendTicks=5, recvs=20, sends=36, recvBytes=4456, sendBytes=11980
2019-07-19 02:34:11.127 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46894
2019-07-19 02:34:11.156 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:54610
2019-07-19 02:34:15.017 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46896
2019-07-19 02:34:16.447 Info: Starting domestic XDQPServerConnection, client=ip-10-x-xx-xxx.eu-west-1, conn=10.x.xx.xxx:7999-10.x.xx.xxx:46898

现在我们想了解如何调查以及调查什么，对此有什么解决方案？

标签： cluster-computingmarklogic

解决方案

阅读日志文件时，最好记住日志级别。我通常不建议您关注任何低于“警告”级别的日志消息。

XDQP 是用于集群内通信的专有 MarkLogic 协议。该知识库文章应涵盖您需要了解的所有内容。

我敢打赌，您的 CPU 峰值与日志中的合并活动有关。如果您还发现有人在此期间向那些合并的森林写入数据，我不会感到惊讶。

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