OB官网试用版问题集合

现象：


    日志 /home/admin/oceanbase/log/observer.log 里报ERROR:



[2019-03-15 10:40:35.047132] WARN  [COMMON] load_from_file (ob_io_benchmark.cpp:200) [22415][Y0-0000000000000000] [lt=13] the io bench result file not exist!
[2019-03-15 10:40:35.047181] ERROR [COMMON] init (ob_io_benchmark.cpp:528) [22415][Y0-0000000000000000] [lt=45] Fail to load io benchmark result, (ret=-4027) BACKTRACE:0x2de73a9 0x2d7f9f7 0x53ebf9 0x2e08e71 0x12a7f63 0x12b08f0 0x51c31c 0x7f1bea53b445 0x53abc5
[2019-03-15 10:40:35.047322] ERROR [SERVER] init_io (ob_server.cpp:711) [22415][Y0-0000000000000000] [lt=134] init io benchmark fail, (ret=-4027) BACKTRACE:0x2de73a9 0x2d7f9f7 0x53ebf9 0x12a80d0 0x12b08f0 0x51c31c 0x7f1bea53b445 0x53abc5


原因：


    在OCP的安装步骤里，会先用fio测试一下磁盘性能。测试结果会生成一个文件。OBServer启动时会检查这个文件。文件不存在的时候就报错。但是OBServer的启动逻辑会继续走下去。


    所以这个报错可以忽略。代码里不应该报ERROR给客户造成困扰。这个问题会在未来修复掉。

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[font=-apple-system, system-ui, "][2019-03-18 16:15:33.921698] ERROR [LIB] start_daemon (utility.cpp:1316) [9635][Y0-0000000000000000] [lt=0] [font=-apple-system, system-ui, "]pid already exists [font=-apple-system, system-ui, "]BACKTRACE:0x2de73a9 0x2d7f9f7 0x53d7d9 0x2debaee 0x51c424 0x7f3080ed8445 0x53abc5
[font=-apple-system, system-ui, "]

[font=-apple-system, system-ui, "]这个错误也可以忽略。