Problem description The following error message is returned when I use Tablestore SDKs to perform operations:Error Code:OTSAuthFailed,Message:Signature mismatch.,RequestId:0005f55a-xxxx-xxxx-xxxx-xxxxxxxxxxxx,TraceId:10b0f...
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将一个Geography坐标点按给定的距离（以米为单位）和角度（北方为0度，东方为90度，南方为180度，西方是270度）做投影变换。语法 geography ST_Project(geography g1,float distance,float azimuth);参数 参数名称 描述 g1 目标Geography...
Problem description The following error message is returned when I use Tablestore SDK for Java:java.lang.IllegalStateException:Request cannot be executed;I/O reactor status:STOPPED Possible cause The Tablestore client is ...
Heartbeat detection How do I troubleshoot an error that is related to a Logtail machine group in a host environment?Data collection Common scenarios Query local collection status How do I view Logtail collection errors?...
Why are the ALB configuration changes that I made in the ALB console lost,the rules that I added deleted,and access logs disabled?What do I do if the HTTP status code 503 is returned when I delete a forwarding rule of an ...
make sure that the number of primary key columns that you specify is the same as the number of primary key columns in the data table.Problem description The following error message is returned when I use a Tablestore SDK ...
make sure that the sequence of primary key columns that you specify is the same as the sequence of primary key columns in the data table.Problem description The following error message is returned when I use a Tablestore ...
This topic describes the FAQ about Security Center.What permissions can I request in Security Center?What is the relationship between Data Management and Security Center?Why cannot I select fields when I request ...
Error message When I try to view application logs in the Enterprise Distributed Application Service(EDAS)console,a message indicating that an error occurs when I run a command in the Star Agent command channel appears....
This topic provides answers to some frequently asked questions about Classic Load Balancer(CLB).Health checks What do I do if health checks generate a large number of web logs?How do I troubleshoot health check exceptions ...
Manual installation of agents How do I troubleshoot the manual installation failure of the ARMS agent?How do I troubleshoot the log errors of an ARMS agent?How do I deploy multiple instances on a single host?Installation ...
Problem description The following error message is returned when I use the sorting or aggregation feature of a search index:Message:Search engine:[groupby_field]field:xx must enable enable_sort_and_agg,but enable_sort_and_...
ecs.r9i Red Hat Enterprise Linux 10.0 64-bit for Arm ecs.g8y,ecs.c8y,ecs.r8y,ecs.g6r,ecs.c6r Red Hat Enterprise Linux 9.6 64-bit x86 ecs.g9i,ecs.r9i,ecs.c9i ecs.ddh6s,ecs.gn6i,ecs.hfg8i,ecs.g8i,ecs.c8i.ecs.r8i,ecs.g8a,ecs....
This topic provides information about some frequently asked questions about Cloud Firewall.Pre-sales FAQ FAQ about features Why do I need to assign the service-linked role AliyunServiceRoleForCloudFW to Cloud Firewall?...
Problem description The following error message is returned when I call the syncClient.createTable(request)method to create a data table:Caused by:[ErrorCode]:OTSUnsupportOperation,[Message]:Unsupported operation:'...
How do I change the retention period of metric data?How do I renew a subscription instance?How does Prometheus Service handle reported data samples after my subscription expires?When does Managed Service for Prometheus ...
you can specify CPU options for specific instance types.The CPU options of ...i instance types Instance type Default number of vCPUs Valid values for the number of physical CPU cores Default number of threads per core Valid ...
I/O事件持续出现且较多，出现I/O瓶颈，需进行具体查询分析。遇到I/O瓶颈时，可通过以下三种方式来进行分析观察：观察 polar_stat_activity_rt 中哪类进程I/O比较高。SELECT backend_type,SUM(local_read_iops local_write_iops)iops,SUM...
After the I/O burst feature of general Enterprise SSDs(ESSDs)is released,the feature has caught widespread attention due to its innovative approach to decoupling IOPS from storage capacity.Alibaba Cloud decides to provide ...
After the I/O burst feature of general Enterprise SSDs(ESSDs)is released,the feature has caught widespread attention due to its innovative approach to decoupling IOPS from storage capacity.Alibaba Cloud decides to provide ...
How do I obtain a streaming URL?How do I obtain a signed streaming URL?What do I do if I fail to access resources over HTTPS? What do I do if I get an error message when I play a live stream or recorded video in the ...
Problem description I execute the following SQL statement to modify a capitalized table name in my ApsaraDB RDS for PostgreSQL instance:alter table testtable rename to TESTTABLE The following error message is returned:...
you can change the logon port of the file backup client when you install the client.For more information,see How can I select a different port as the logon port of a file backup client?Browse the backup files.Open a ...
云原生数据仓库AnalyticDB PostgreSQL版 实例的I/O吞吐量和IOPS是影响其性能的关键因素。当I/O吞吐量或IOPS达到实例当前配置的最大值时，AnalyticDB PostgreSQL版 实例可能会出现性能瓶颈，表现为数据库读写操作的性能下降，应用响应延迟...
This topic provides answers to some frequently asked questions about Key Management Service(KMS).Key management FAQ Can I delete a key from KMS?After a key is deleted,can I decrypt the data that is encrypted by using the ...
This topic provides answers to some frequently asked questions about MaxCompute MapReduce.Category FAQ Features Can I use views as the input sources of MapReduce jobs in MaxCompute?In which mode are the results of ...
Alibaba Cloud Linux 2 starting with the kernel version 4.19.81-17.al7 and Alibaba Cloud Linux 3 provide interfaces to better monitor block I/O throttling.This topic describes the interfaces and provides examples on how to ...
Xeon ® Platinum 8163(Skylake)processors i5g,instance family with local SSDs i5ge,instance family with local SSDs i5e,instance family with local SSDs i5,instance family with local SSDs i4,instance family with local SSDs i4...
Problem description I execute the following SQL statement to modify a capitalized table name in my ApsaraDB RDS for PostgreSQL instance:alter table testtable rename to TESTTABLE The following error message is returned:...
see Use the I/O acceleration feature of general ESSDs.I/O performance burst After you enable the I/O performance burst feature for your RDS instance,the IOPS of the instance is no longer limited by the specified maximum ...
How do I change the retention period of metric data?How do I renew a subscription instance?How does Prometheus Service handle reported data samples after my subscription expires?When does Prometheus Service automatically ...
This topic describes how to troubleshoot high I/O issues on an ApsaraDB RDS for SQL Server instance.High I/O affects query performance.Background information I/O performance varies based on two major factors:IOPS and I/O ...
This topic provides answers to the commonly asked questions about Container Registry,docker logon,source code repositories,and pushes and pulls of docker images.FAQ about the basic operations of Container Registry When I ...
RDS MySQL的I/O性能受硬件层存储介质、软件层数据库内核架构和具体SQL语句（扫描或修改数据量）的影响。本文介绍实例I/O高的原因和解决方案。高吞吐导致实例I/O高 现象 如果表上有很多索引或大字段，频繁地更新、删除、插入，读取数据和...
交互日志示例如下：[UT][I][_on_payload_event_state_change]recv[Listening][0-4][UT][D][dummy_button1_down][UT][I][dummy_player_stop][UT][I][c_mmi_speech_start]done[1-4][4][UT][I][_send_cmd_req2spk]ready to send[1-4][UT][I][_...