as2.0读取服务器-as2.0读取服务器文档介绍内容-阿里云

PS-SMART回归

'1:0.77 2:0.91 3:0.23 4:4.46 5:0.91' as features union all select 2.0 as label,'1:0.86 2:0.22 3:0.46 4:0.08 5:0.60' as features union all select 1.0 as label,'1:0.76 2:0.89 3:1.02 4:0.78 5:0.86' as features union all ...

皮尔森系数

否示例输入表 create table pai_pearson_test_input as select*from(select 1.0 as f0,0.11 as f1 union all select 2.0 as f0,0.12 as f1 union all select 3.0 as f0,0.13 as f1 union all select 5.0 as f0,0.15 as f1 union all ...

线性回归

0 as x2,'0:3.89' as sparsecol1 from dual union all select 40 as y,4.19 as x1,0 as x2,'0:4.19' as sparsecol1 from dual union all select 50 as y,5.76 as x1,0 as x2,'0:5.76' as sparsecol1 from dual union all select 60 as y,6....

单源最短路径

out_id,"d"as flow_in_id,1.0 as edge_weight union all select"b"as flow_out_id,"e"as flow_in_id,2.0 as edge_weight union all select"e"as flow_out_id,"d"as flow_in_id,1.0 as edge_weight union all select"c"as flow_out_id,"e"as...

标签传播分类

create table LabelPropagationClassification_func_test_edge as select*from(select 'a' as flow_out_id,'b' as flow_in_id,0.2 as edge_weight union all select 'a' as flow_out_id,'c' as flow_in_id,0.8 as edge_weight union all ...

类型转换

7 示例测试数据生成 create table transform_test as select*from(select true as f0,2.0 as f1,1 as f2 from dual union all select false as f0,3.0 as f1,1 as f2 from dual union all select false as f0,4.0 as f1,1 as f2 from dual...

Table2KV

create table test as select*from(select 0 as rowid,1 as col0,1.1 as col1,2 as col2 from dual union all select 1 as rowid,0 as col0,1.2 as col1,3 as col2 from dual union all select 2 as rowid,1 as col0,2.3 as col1,4 as col2...

PS-SMART二分类训练

0.9 as f4,-1.04 as f5,1 as label union all select 1.02 as f0,-0.88 as f1,0.82 as f2,1.82 as f3,1.55 as f4,0.53 as f5,0 as label union all select 1.19 as f0,-1.18 as f1,-1.1 as f2,2.26 as f3,1.22 as f4,0.92 as f5,0 as label...

聚类模型评估

create table if not exists pai_cluster_evaluation_test_input as select*from(select 1 as id,1 as f0,2 as f3 from dual union all select 2 as id,1 as f0,3 as f3 from dual union all select 3 as id,1 as f0,4 as f3 from dual ...

K近邻

create table pai_knn_test_input as select*from(select 1 as f0,2 as f1,'good' as class from dual union all select 1 as f0,3 as f1,'good' as class from dual union all select 1 as f0,4 as f1,'bad' as class from dual union all...

消息队列Kafka

使用限制版本与配置仅Flink计算引擎VVR 2.0.0及以上版本支持消息队列Kafka连接器。仅支持读取和写入Apache Kafka 0.11及以上版本的数据。仅支持Apache Kafka 2.8版本的客户端配置项，详情请参见Apache Kafka 消费者和生产者配置项文档...

使用说明

In[1]:df=o.to_mars_dataframe('test_mars')In[2]:df.head(6).execute()Out[2]:col1 col2 0 0 0 1 0 1 2 0 2 3 1 0 4 1 1 5 1 2 写表通过 o.persist_mars_dataframe(df,'table_name')将Mars DataFrame保存为MaxCompute表。In[3]:df=o.to_...

MySQL

VVR版本支持的MySQL版本 VVR 4.0.8～VVR 4.0.10 5.7 8.0.x VVR 4.0.11及以上版本 5.6.x 5.7.x 8.0.x 重要为了确保RDS MySQL 5.6.x版本的正常运行，默认已开启增量快照功能（即scan.incremental.snapshot.enabled=true），且不支持关闭...

配置选项

None sql.use_odps2_extension 启用MaxCompute 2.0语言扩展。False 数据上传下载配置选项说明默认值 tunnel.endpoint Tunnel的Endpoint。None tunnel.use_instance_tunnel 使用Instance Tunnel获取执行结果。True tunnel.limit_instance...

PS-SMART多分类

'1:0.77 2:0.91 3:0.23 4:4.46 5:0.91' as features union all select '2' as label,'1:0.86 2:0.22 3:0.46 4:0.08 5:0.60' as features union all select '1' as label,'1:0.76 2:0.89 3:1.02 4:0.78 5:0.86' as features union all ...

RDS MySQL 5.6开放参数一览表

默认值：64 innodb_autoinc_lock_mode 5.6 0 2[0|1|2]无限制用于生成自动增量值的锁定模式。允许值分别为：0：traditional 1：consecutive 2：interleaved innodb_buffer_pool_dump_at_shutdown 5.6 1 OFF[ON|OFF]无限制指定是否在MySQL...

如何提高Nginx Web服务器的安全性

本文介绍如何提高Nginx Web服务器的安全性的操作步骤。背景信息 Nginx是一个轻量级的，高性能的Web服务器以及反向代理和邮箱（IMAP或POP3）代理服务器。它运行在UNIX、GNU、linux、BSD、Mac OS X、Solaris和Windows各种版本。根据调查统计...

大数据计算服务MaxCompute

使用限制仅实时计算引擎VVR 2.0.0及以上版本支持MaxCompute连接器。MaxCompute连接器仅支持At Least Once语义。说明 At Least Once语义会保证数据不缺失，但在少部分情况下，可能会将重复数据写入MaxCompute。不同的MaxCompute Tunnel出现...

TableRecordDataset

col1|col2|col3|col4|+-+-+-+-+|0.0|0.0|0.017179100152531324|1.0|0.0|1.0|0.823381420409002|1.0|0.0|2.0|1.6488850495540865|1.0|+-+-+-+-+说明因为该测试数据的每行内容使用英文逗号（,）分隔，所以使用-fd=,配置分隔符为英文逗号（,...

命令行工具

本文介绍初始化及构建命令行工具的步骤。初始化当工程脚手架初始化完后，如果需要新增页面，除了单纯的复制粘贴以外，提供了以下命令来添加页面定义和组件定义：init-...包名映射全局对象映射路径 fastclick FastClick as.alipayobjects....

CDC问题

当该指标大于0时，则代表作业完成了全量数据同步，进入了Binlog读取阶段。在MySQL CDC源表所在的TM日志中排查是否有BinlogSplitReader is created日志来判断是否读取完了全量数据，例如下图所示。多个CDC作业导致数据库压力过大怎么办？...

PAI-TF数据IO方式介绍

先读取数据后再计算，假设读入用时0.1s，计算用时0.9s，这样每过1s，GPU都会有0.1s空闲，降低了运算的效率。高效的IO方式 TensorFlow读取方式是将数据读取转换成OP，通过Session.run的方式读取数据。读取线程将文件系统中的图片读入到一个...

上下游存储

说明仅Kafka 0.10.2.0及以上版本支持将代理地址添加到Kafka Broker的Listener中。如果您想了解更多的关于该问题的原理和解释，请参见 KIP-103：区分内部与外部网络流量和 Kafka网络连接问题详解。为什么Kafka源表数据基于Event Time的...

卡方拟合性检验

默认所有概率值相等示例测试数据 create table pai_chisq_test_input as select*from(select '1' as f0,'2' as f1 from dual union all select '1' as f0,'3' as f1 from dual union all select '1' as f0,'4' as f1 from dual union all...

ReplaceServersInServerGroup-替换后端服务器组中的...

替换后端服务器组中的后端服务器。接口说明 ReplaceServersInServerGroup 接口属于异步接口，即系统返回一个请求 ID，但该后端服务器尚未替换成功，系统后台的替换任务仍在进行。您可以调用 ListServerGroups 查询服务器组的状态：当服务器...

SELECT

简单查询语句示例：SELECT OriginCityName,DestCityName,count(*)AS flights,bar(flights,0,20000,40)FROM ontime_distributed WHERE Year=1988 GROUP BY OriginCityName,DestCityName ORDER BY flights DESC LIMIT 20;SAMPLE子句 SAMPLE...

逻辑回归二分类

f0 f1 f2 f3 label 1.0 0.0 0.0 0.0 0 0.0 0.0 1.0 0.0 1 0.0 0.0 0.0 1.0 1 0.0 1.0 0.0 0.0 0 1.0 0.0 0.0 0.0 0 0.0 1.0 0.0 0.0 0 使用PAI命令，提交逻辑回归二分类组件的训练参数。drop offlinemodel if exists lr_test_model;PAI-...

逻辑回归多分类

cast(1 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 as bigint)as label from dual union all select cast(0 as double)as f0,cast(0 as double)as f1,cast(1 as double)as f2,cast(0 as double)as f3,cast(2 ...

GBDT回归

f0 f1 f2 f3 label 1.0 0.0 0.0 0.0 0 0.0 0.0 1.0 0.0 1 0.0 0.0 0.0 1.0 1 0.0 1.0 0.0 0.0 0 1.0 0.0 0.0 0.0 0 0.0 1.0 0.0 0.0 0 使用PAI命令，提交GBDT回归组件的训练参数。drop offlinemodel if exists gbdt_ls_test_model;PAI-name...

GBDT二分类

f0 f1 f2 f3 label 1.0 0.0 0.0 0.0 0 0.0 0.0 1.0 0.0 1 0.0 0.0 0.0 1.0 1 0.0 1.0 0.0 0.0 0 1.0 0.0 0.0 0.0 0 0.0 1.0 0.0 0.0 0 使用PAI命令，提交GBDT二分类组件的训练参数。drop offlinemodel if exists gbdt_lr_test_model;PAI-...

标签传播聚类

in_id,0.7 as edge_weight union all select '5' as flow_out_id,'8' as flow_in_id,0.7 as edge_weight union all select '6' as flow_out_id,'7' as flow_in_id,0.6 as edge_weight union all select '6' as flow_out_id,'8' as flow_in_...

防勒索客户端和备份任务异常状态排查

usr/local/aegis/hbr/logs 防护策略版本为V2.0时 Windows服务器：C:\Program File(x86)\Alibaba\Aegis\hbrClient\logs CoreOS服务器：/opt/aegis/hbrClient/logs Linux服务器：/usr/local/aegis/hbrClient/logs 客户端错误码错误详情提示...

SQL脚本

thalach,(case exang when 'true' then 1 else 0 end)as exang,oldpeak,(case slop when 'up' then 0 when 'flat' then 1 else 2 end)as slop,ca,(case thal when 'norm' then 0 when 'fix' then 1 else 2 end)as thal,(case status when '...

特征编码

5228.2 as nr_employed,0 as y union all select 37 as age,1 as campaign,999 as pdays,0 as previous,-1.8 as emp_var_rate,92.893 as cons_price_idx,-46.2 as cons_conf_idx,1.327 as euribor3m,5099.1 as nr_employed,0 as y union ...

使用paiio读写MaxCompute表数据

capacity 否 INT 0 读取表的总预取量，单位为行数。如果 num_threads 大于 1，则每个线程的预取量为 capacity/num_threads 行（向上取整）。如果 capacity 为 0，则内置Reader根据所读表的前N行（系统默认N=256）平均值自动配置总预取量，...

K均值聚类

使用其他初始质心的方式 create table pai_kmeans_test_input as select*from(select 'id1' as id,1 as f0,2 as f1 from dual union all select 'id2' as id,1 as f0,3 as f1 from dual union all select 'id3' as id,1 as f0,4 as f1 from...

TPC-DS测试集

week_seq AND d_year=2001)y,(SELECT wswscs.d_week_seq AS d_week_seq2,sun_sales AS sun_sales2,mon_sales AS mon_sales2,tue_sales AS tue_sales2,wed_sales AS wed_sales2,thu_sales AS thu_sales2,fri_sales AS fri_sales2,sat_sales ...

CTE（2.0版）

WITH子句同样适用于多子查询：WITH t1 AS(SELECT a,MAX(b)AS b FROM x GROUP BY a),t2 AS(SELECT a,AVG(d)AS d FROM y GROUP BY a)SELECT t1.*,t2.*FROM t1 JOIN t2 ON t1.a=t2.a;WITH子句中定义的关系可以互相连接：WITH x AS(SELECT a ...

I2C-串行总线

硬件平台产品型号是否支持硬件类型固件版本号 HaaS600Kit 是开发板 4.0.1 HaaS510 否 DTU 4.0.1 HaaS520 否 DTU 4.0.1 HaaS530 否 DTU 4.0.1 HaaS531 否 DTU 4.0.1 HaaS632-LT32V 是模组 4.0.1 HaaS600-EC600S 是模组 4.0.1 HaaS600...

CoAP连云HAL

返回结果说明：返回结果说明>0 读取数据的长度。0 文件末尾。1 无效参数。2 超时时间内未接收到任何数据。3 会话在读取数据前被中断。4 UDP连接错误。HAL_UDP_recv 原型：int HAL_UDP_recv(_IN_intptr_t sockfd,_OU_unsigned char*p_data,...

as2.0读取服务器

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