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Schemas
Iceberg tables support the following types: Type Description Notes boolean True or false int 32-bit signed integers Can promote to long long 64-bit s... -
2. Monitoring Kyuubi - Server Metrics
Configurations Metrics Kyuubi has a configurable metrics system based on the Dropwizard Metrics Library . This allows users to report Kyuubi metrics to a variety of kyuubi.metri... -
Cache API implementations
Spring Cache Redisson provides various Spring Cache implementations. Each Cache instance has two important parameters: ttl and maxIdleTime . Data is stored infinitely if these se... -
String
match split trim replace toLower toUpper test toString match RegExp → String → [String | Undefined] Parameters rxA regular expression. strThe string to match against... -
String
match split trim replace toLower toUpper test toString match RegExp → String → [String | Undefined] Parameters rxA regular expression. strThe string to match against... -
Spark Writes
Writing with SQL INSERT OVERWRITE INSERT INTO Upsert to table with primary keys. DELETE FROM UPDATE MERGE INTO Writing with DataFrames Appending data Overwriting data Crea... -
Metrics
Table metrics Self-optimizing metrics Amoro provides both table-level and platform-level metrics to help users understand the runtime status of the current table. Table metric... -
Prepare the Environment
To deploy your Hortonworks stack using Ambari, you need to prepare your deployment environment: Set Up Password-less SSH Set Up Service User Accounts Enable NTP on the Cluster... -
Mixed-Hive
Mixed-Hive format is a format that has better compatibility with Hive than Mixed-Iceberg format. Mixed-Hive format uses a Hive table as the BaseStore and an Iceberg table as the C... -
内存要求
Ambari 主机应至少具有 1 GB RAM，以及 500 MB 可用空间。 要检查任何主机上的可用内存，请运行： free - m 如果您计划将 Ambari Metrics Service (AMS) 安装到集群中，则应查看在 Hortonworks Data Platform Apache Ambari Operations 中使用 A...
