PS线性回归

线性回归(Linear Regression)是分析因变量和多个自变量之间的线性关系模型,参数服务器PS(Parameter Server)致力于解决大规模的离线及在线训练任务。PS线性回归支持千亿样本、十亿特征的大规模线性训练任务。组件配置 您可以使用以下...

PS-SMART回归

参数服务器PS(Parameter Server)致力于解决大规模的离线及在线训练任务,SMART(Scalable Multiple Additive Regression Tree)是GBDT(Gradient Boosting Decision Tree)基于PS实现的迭代算法。PS-SMART支持百亿样本及几十万特征的训练...

PS-SMART多分类

参数服务器PS(Parameter Server)致力于解决大规模的离线及在线训练任务,SMART(Scalable Multiple Additive Regression Tree)是GBDT(Gradient Boosting Decision Tree)基于PS实现的迭代算法。PS-SMART支持百亿样本及几十万特征的训练...

PS-SMART二分类训练

参数服务器PS(Parameter Server)致力于解决大规模的离线及在线训练任务,SMART(Scalable Multiple Additive Regression Tree)是GBDT(Gradient Boosting Decision Tree)基于PS实现的迭代算法。PS-SMART支持百亿样本及几十万特征的训练...

MaxCompute PS-SMART二分类最佳实践

本文为您介绍如何通过提交一个使用MaxCompute计算资源的超参数调优实验,来运行PS-SMART二分类、预测和评估组件,以获取PS-SMART组件算法的较优超参数组合。前提条件 首次使用AutoML功能时,需要完成AutoML相关权限授权。具体操作,请参见 ...

监控项

CountSecond dsl_insert_edges_ps userId、dbInstanceId Average 平均每秒Insert点语句执行次数 CountSecond dsl_insert_vertices_ps userId、dbInstanceId Average 平均每秒Read语句执行次数 CountSecond dsl_readonly_ps userId、...

子查询优化和执行

sql="SELECT*FROM `part` AS `part`")Project(count(ps_partkey)="count(ps_partkey)",ps_suppkey="ps_suppkey",count(ps_partkey)2="count(ps_partkey)")HashAgg(group="ps_suppkey",count(ps_partkey)="SUM(count(ps_partkey))")Gather...

数据湖加速查询

TPCH Q11查询语句 select ps_partkey,sum(ps_supplycost*ps_availqty)as value from partsupp,supplier,nation where ps_suppkey=s_suppkey and s_nationkey=n_nationkey and RTRIM(n_name)='EGYPT' group by ps_partkey having sum(ps_...

Hive指标

JVM PS MarkSweep GC Count hive_server_gc_PS_MarkSweep_count JVM PS MarkSweep GC次数。JVM PS Scavenge GC Count hive_server_gc_PS_Scavenge_count JVM PS Scavenge GC次数。JVM PS MarkSweep GC Time hive_server_gc_PS_MarkSweep_...

SPARK指标

JVM PS MarkSweep GC Count spark_thrift_driver_jvm_PS_MarkSweep_count JVM PS MarkSweep GC次数。JVM PS MarkSweep GC Time spark_thrift_driver_jvm_PS_MarkSweep_time JVM PS MarkSweep GC时间。单位:毫秒。JVM PS Scavenge GC Count...

JOIN与子查询的优化和执行

partkey)="count(ps_partkey)",ps_suppkey="ps_suppkey",count(ps_partkey)2="count(ps_partkey)")HashAgg(group="ps_suppkey",count(ps_partkey)="SUM(count(ps_partkey))")Gather(concurrent=true)LogicalView(tables="partsupp_[0-7]",...

光照信息屏

PS Low Threshold计算方法:Value(Reg_0x2B)*4+Value(Reg_0x2A)PS High Threshold计算方法:Value(Reg_0x2D)*4+Value(Reg_0x2C)PS中断模式说明 在开启了AP3216C的中断模式,为了避免靠近物体抖动带来频繁触发中断的情况,在PS Data高于PS ...

使用Java JDBC接口的应用开发

try(PreparedStatement ps=connection.prepareStatement(updateSql)){ ps.setString(1,"bb2update");ps.setString(2,"aa2");ps.executeUpdate();} String querySql1="select*from"+tableName+"where id=?try(PreparedStatement ps=...

基于Java JDBC接口的应用开发

try(PreparedStatement ps=connection.prepareStatement(updateSql)){ ps.setString(1,"bb2update");ps.setString(2,"aa2");ps.executeUpdate();} String querySql1="select*from"+tableName+"where id=?try(PreparedStatement ps=...

KYUUBI指标

JVM PS MarkSweep GC Count kyuubi_gc_PS_MarkSweep_count JVM PS MarkSweep GC次数。JVM PS MarkSweep GC Time kyuubi_gc_PS_MarkSweep_time JVM PS MarkSweep GC时间。单位:ms。JVM PS Scavenge GC Count kyuubi_gc_PS_Scavenge_count ...

SQL分析函数

size=35 AND p_type LIKE ''%NICKEL'' AND s_nationkey=n_nationkey AND n_regionkey=r_regionkey AND r_name=''MIDDLE EAST'' AND ps_supplycost IN(SELECT min(ps_supplycost)FROM partsupp,supplier,nation,region WHERE s_suppkey=ps_...

TPC-H测试集

SQL11 select ps_partkey,sum(ps_supplycost*ps_availqty)as value from partsupp,supplier,nation where ps_suppkey=s_suppkey and s_nationkey=n_nationkey and n_name='EGYPT' group by ps_partkey having sum(ps_supplycost*ps_...

查询数据

Q11 select ps_partkey,sum(ps_supplycost*ps_availqty)as value from partsupp,supplier,nation where ps_suppkey=s_suppkey and s_nationkey=n_nationkey and n_name='INDONESIA' group by ps_partkey having sum(ps_supplycost*ps_...

通用模型导出

支持接入的上游组件 常规机器学习组件 GBDT二分类 线性支持向量机 逻辑回归二分类 GBDT回归 线性回归 K均值聚类 逻辑回归多分类 朴素贝叶斯 PS系列组件 PS-SMART二分类 PS-SMART多分类 PS-SMART回归 PS线性回归 可视化配置组件 您可以在 ...

数据集信息和示例查询

Q11 select ps_partkey,sum(ps_supplycost*ps_availqty)as value from partsupp,supplier,nation where ps_suppkey=s_suppkey and s_nationkey=n_nationkey and n_name='INDONESIA' group by ps_partkey having sum(ps_supplycost*ps_...

Spark对接MySQL

try { conn=DriverManager.getConnection(s"jdbc:mysql:/$dbUrl:$dbPort/$dbName",dbUser,dbPwd)ps=conn.prepareStatement(sql)e.foreach(pair=>{ ps.setString(1,pair._1)ps.setLong(2,pair._2)ps.executeUpdate()})ps.close()conn.close...

GetMsConfigResources

根据资源 ID 获取对应的资源元信息。...Id":27 },{"Desc":"性别","InstanceId":"9XP0PS5JQHJU","AttributeName":"sex","Id":28 }],"Region":"Alipay","Id":1,"AppName":"foo"},"ResultCode":"OK"} 错误码 访问 错误中心 查看更多错误码。

高性能版Spark全密态计算引擎性能测试报告

SELECT ps_partkey,sum(ps_supplycost*ps_availqty)AS value FROM partsupp,supplier,nation WHERE ps_suppkey=s_suppkey AND s_nationkey=n_nationkey AND n_name='GERMANY' GROUP BY ps_partkey HAVING sum(ps_supplycost*ps_availqty)>...

基于Java JDBC接口的应用开发

try(PreparedStatement ps=connection.prepareStatement(querySql)){ ps.setString(1,"aa1");ResultSet rs=ps.executeQuery();while(rs.next()){ String id=rs.getString(1);String name=rs.getString(2);System.out.println("id="+id);...

Serverless模式数据共享性能测试

CREATE TABLE partsupp(ps_partkey integer NOT NULL,ps_suppkey integer NOT NULL,ps_availqty integer NOT NULL,ps_supplycost numeric(15,2)NOT NULL,ps_comment character varying(199)NOT NULL)distributed by(ps_partkey);...

7.0版TPC-H性能测试

CREATE TABLE PARTSUPP(PS_PARTKEY INTEGER NOT NULL,PS_SUPPKEY INTEGER NOT NULL,PS_AVAILQTY INTEGER NOT NULL,PS_SUPPLYCOST decimal64 NOT NULL,PS_COMMENT VARCHAR(199)NOT NULL)using beam DISTRIBUTED BY(PS_PARTKEY);DROP TABLE ...

测试方法

CREATE EXTERNAL TABLE tpch_1000x_orc.partsupp(ps_partkey bigint,ps_suppkey bigint,ps_availqty int,ps_supplycost double,ps_comment string)STORED AS ORC LOCATION 'oss:/path/to/tpch/tpch_1000x_orc/partsupp_orc/';CREATE ...

Presto

PARTSUPP表 create external table partsupp(ps_partkey integer,ps_suppkey integer,ps_availqty integer,ps_supplycost decimal(15,2),ps_comment varchar(199))row format delimited fields terminated by '|' location '/./partsupp' ...

PAI-TF任务参数介绍

{"ps":{"count":2 },"worker":{"count":4 } } 其中JSON包含两个key,即 ps 和 worker,每个key又分别包含如下信息。参数 描述 默认值 是否必选 count ps 或 worker 的数量。无 是 gpu ps 或 worker 申请的GPU数量,取值100表示一张GPU卡。...

proxool 连接池配置示例

} private void executeSqls(String[]sqls,Connection conn){ PreparedStatement ps;for(String sql:sqls){ try { ps=conn.prepareStatement(sql);ps.execute();ps.close();} catch(Exception e){ System.out.println("sql:"+sql);ignore,...

Bloom Filter For HashJoin下推

Using join buffer(hash join with bloom filter)Q11:EXPLAIN SELECT ps_partkey,SUM(ps_supplycost*ps_availqty)AS value FROM partsupp,supplier,nation WHERE ps_suppkey=s_suppkey AND s_nationkey=n_nationkey AND n_name='INDIA' ...

6.0版TPC-H性能测试

CREATE TABLE PARTSUPP(PS_PARTKEY INTEGER NOT NULL,PS_SUPPKEY INTEGER NOT NULL,PS_AVAILQTY INTEGER NOT NULL,PS_SUPPLYCOST DECIMAL(15,2)NOT NULL,PS_COMMENT VARCHAR(199)NOT NULL)WITH(APPENDONLY=TRUE,ORIENTATION=COLUMN,...

自动设置用户网卡DNS

实现原理 首先,在Windows云电脑中通过 SetCustomDNS.ps1 脚本创建一个任务计划程序,并执行任务计划程序设置用户网卡DNS。其次,通过包含该任务计划程序的云电脑制作自定义镜像,或者基于该任务计划程序制作自定义镜像并将镜像导入控制台...

Semi-Join的并行加速

SELECT s_name,s_address FROM supplier,nation WHERE s_suppkey IN(SELECT ps_suppkey FROM partsupp WHERE ps_partkey IN(SELECT p_partkey FROM part WHERE p_name LIKE '[COLOR]%')AND ps_availqty>(SELECT 0.5*SUM(l_quantity)FROM ...

Range Clustering

Range Clustering作为一种新的数据切分方式,提供了一个全局有序的数据分布,一是可以避免Hash Clustering可能造成的数据倾斜问题;二是在数据有序分布的前提下,创建两级索引(Index),支持对Clustering Key的区域查询以及多键的组合查询...

JOIN优化和执行

SortMergeJoin(condition="ps_suppkey=s_suppkey",type="inner")MergeSort(sort="ps_suppkey ASC")LogicalView(tables="QIMU_0000_GROUP,QIMU_0001_GROUP.partsupp_[0-7]",shardCount=8,sql="SELECT*FROM `partsupp` AS `partsupp` ORDER ...

TPC-H Benchmark

s_name,n_name,p_partkey,p_mfgr,s_address,s_phone,s_comment from partsupp join(select ps_partkey as a_partkey,min(ps_supplycost)as a_min from partsupp,part,supplier,nation,region where p_partkey=ps_partkey and s_suppkey=ps_...

子查询解关联

SELECT s_acctbal,s_name,n_name,p_partkey,p_mfgr,s_address,s_phone,s_comment FROM(SELECT MIN(ps_supplycost)OVER(PARTITION BY ps_partkey)as win_min,ps_partkey,ps_supplycost,s_acctbal,n_name,s_name,s_address,s_phone,s_comment...

构建测试表

PARTSUPP表 CREATE TABLE partsupp(ps_partkey int NOT NULL COMMENT '',ps_suppkey int NOT NULL COMMENT '',ps_availqty int NOT NULL COMMENT '',ps_supplycost decimal(15,2)NOT NULL COMMENT '',ps_comment varchar NOT NULL COMMENT ...

基于Java连接池Druid的应用开发

try(PreparedStatement ps=connection.prepareStatement(sql)){ ps.setString(1,"aa");ps.setString(2,"bb");int ret=ps.executeUpdate();System.out.println(ret);} }/查询数据 try(Connection connection=dataSource.getConnection()){ ...
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