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<p>Spark hive metastore timeout WARN HiveConf: HiveConf of name hive. 8Hadoop2. Current there is no better way to improve the performance. Note, if this is set, you MUST use a local metastore (hive. For example: hive. The startup of the Metastore service is fine, and I am able to access Hive May 8, 2018 · hive. <configuration> <property> <name>ambari. For parquet and delta no Hive metadata aspects are needed in terms of Hive Metastore. size Jun 20, 2017 · 软件版本为：jdk1. version false; Problem 3: Metastore connection limit exceeded. 3scala2. builder() . model. metadata. 9k次。集群最优配置的最好方式是通过实验测试，然后衡量结果。普通配置--元数据连接超时set hive. Failures can lead to data loss. 共部署Hive数据源加载元数据缓存最大超时时间，单位为秒或分钟; 对于大分区表中的操作，值可为60s或更大，需要根据数据量进行配置; hive. this is the hive-site. This tells Spark to use the Hive metastore as the metadata repository for Spark SQL. get_partitions, but this unexpectedly occurs without any filtering: Nov 20, 2019 · i'm using presto 0206 and i get read timeout when trying to query hive table after about 35 seconds, querying the same from hive cli works this only happens on tables with a lot of partitions presto:default> select * from hive. from pyspark. Dec 2, 2024 · From the left menu, navigate to Hive > Configs > Advanced. What are the Spark and Hive versions? If you have Hive 2. Options. fastpath. Sep 19, 2018 · Solved: I am using the HDP 2. session. jars", "600s") \ . Oct 9, 2020 · Between, I have set the value for hive. It allows fast processing and analysis of large chunks of data thanks to parallel computing paradigm. verification. Aug 10, 2020 · 一、概述 spark使用hive中有比较多的坑，尤其是版本问题引起的jar包冲突，比较好的方式是使用与CDH匹配的hive和hadoop版本，这样可以减少很多的jar冲突问题，但是在IDEA调试过程中还是难免会碰到jar包冲突问题。 二、CDH6. default. Iface. 10s. x and Spark version below 2. timeout：该参数是服务端配置，用来控制 hive 客户端跟远程 spark 集群中的 spark driver 建立连接的超时时间，默认90秒（这里的 hive客户端是启动 spark 集群的客户端，个人认为其实就是 hs2); A Hive metastore warehouse (aka spark-warehouse) is the directory where Spark SQL persists tables whereas a Hive metastore (aka metastore_db) is a relational database to manage the metadata of the persistent relational entities, e. set hive. You can set the Spark configuration setting spark. tableName; Although the question here is regarding Analyze table issue but this answer is intended to cover all the other issues related to Read Oct 11, 2018 · I am facing issue while initiating spark-sql session. Hive is not needed with Spark and this is just a warning. retries 则是更底层自动重连Metastore的次数限制 Dec 14, 2022 · 在Hive 日常跑批的情况下，如出现数据倾斜严重，或者运行未经优化的SQL时可能导致Hive 任务运行时长超过预期并且长时间占用资源池队列的大量资源，从而导致其他任务因资源不够的情况而延迟。对于这种情况，用户可能期望该作业失败，来保证后续作业的运行。本文主要讲述如何设置Hive 任务的 Dec 4, 2024 · hive. By default it is turned on. It is controlled by spark. This will give an increased socket time out only for this session. timeout, but it is 14 on the actual process. timeout=180s I also double-checked the name resolution on every node, and all is fine, but I'm not using DNS I'm using host file instead. 用户提交了多个 Hive 任务，这些任务并发执行的时候占用 metastore 连接时间较长，这个时候后续提交的一些任务在需要获取 metastore 连接的时候一直获取不到，处于等待状态，若等待的时间过长，就会出现超时的异常，即提示“等待可用连接超时”。 Nov 8, 2022 · hive. The Jun 23, 2020 · I am moving from Spark2. verification：强制metastore的schema一致性，开启的话会校验在metastore中存储的信息的版本和hive的jar包中的版本一致性，并且关闭自动schema迁移，用户必须手动的升级hive并且迁移schema，关闭的话只会在版本不一致时给出警告，默认是false不开启； Sep 1, 2024 · The Hive metastore can be setup in one of two configurations: 1. Is there a way that I set a maximum query time with my JDBC connection? This query should take just a few seconds, so I'd rather kill it after a few minutes than let it block for hours. Using the Hive 2 view, I created a database and - 200411 Jan 9, 2022 · Hive Metastore作为元数据管理中心，支持多种计算引擎的读取操作，例如Flink、Presto、Spark等。本文讲述通过spark SQL配置连接Hive Metastore，并以3. name</name> <value>hive</value> </property> Feb 26, 2022 · Saprk-sql和ThriftServer使用时报错：Java. max. Some more samples on customizing other configuration files: Aug 5, 2018 · hive. Dec 4, 2024 · hive. Pros: Simple setup and operational management Cons: Lacks scalability and availability. 2, this is a known issue and was fixed in Spark 2. SparkSession val spark = SparkSession. factory. 2 The spark. xml Feb 25, 2019 · I am trying to connect to Hive-metastore from the Spark application but each time it gets stuck on trying to connect and crash with a timeout: INFO metastore:376 - Trying to connect to metastore hive. Mar 8, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. maxWaitMillis. version setting specifies the Hive metastore version—e. connect. Sessio_spark写入数据失败 unable to instantiate hive. Inside the code (which is not the solution I need), I can do the following which works Oct 22, 2022 · For a full example of a configuration using code please see Metastore configuration documentation page and using the spark-hive-site classification see the Use the AWS Glue Data Catalog as the metastore for Spark SQL page. 2版本为例。 Hive并发过多导致MetaStore连接超时. . stats. setLoginTimeout Dec 31, 2023 · hive. timeout", and set it to long time value (in seconds) to allow the query to finish. xml文件中添加hive. SO VM on Clusters: CentOS 7 Oct 21, 2024 · I have spark. 1, I need to provide the hive configuration via the spark-submit command (not inside the code). No metastore – In-Memory. appName("MyApp") . timeout=1800" in hive-site. timeout=360s hive. RuntimeException: java. We are using MariaDB as a backend database for Metastore. Check if the hive. I do not see this property in hive-site. 3-bin-hadoop3. 0 with a built in thrift hive server, however I am having trouble getting the thriftsever budled with spark to find the postgresql May 13, 2025 · Apache Spark SQL (with Hive Metastore) Apache Spark is a computing system with APIs in Java, Scala and Python. Spark SQL will try to use its own Parquet support instead of Hive SerDe for better performance when interacting with Hive metastore Parquet tables. In order to view hive databases I copied hive-site. databases, tables, columns, partitions. Commands run on the cluster fail with the following stack trace in the driver logs: Feb 2, 2020 · Hive metastore Parquet table conversion. pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order" 16/02/29 21:05:09 INFO Datastore: The class "org. , "2. Embedded: The metastore uses a Derby database running in the same JVM as Hive. Spark源代码::Spark多线程::NettyRpcEnv. uris must be empty) otherwise undefined and most likely undesired behavior will result. Spark defaults to a bundled version (e. ql. 做一些深度思考: 只能说，精彩绝伦！ 生产环境踩坑系列::Hive on Spark的connection timeout 问题. 2-bin; spark-3. jars spark. setLoginTimeout May 5, 2022 · 文章浏览阅读3. Set the "hive. 3 along with Hadoop 2. timeout参数为36000。 在客户端的hive-site. You can, however, to increase the timeout limit via "hive. xml from hive-conf dir to spark-conf dir. N Dec 19, 2021 · Many sites use Spark with Spark created/only tables or just HDFS directories. queuename=bigdata;--指定作业名称,如果脚本中有多个sql语句，那么你设定jobname后，所有的sql生成的job都会有同一个名字set mapred Apr 20, 2023 · The timeout is defined both on client (Spark) side and on server (Hive metastore) side. timeout=500;--指定MR任务运行队列set mapreduce. hadoop. xml. , 1. timeout=360000ms hive. verification property is set to Apr 20, 2023 · The timeout is defined both on client (Spark) side and on server (Hive metastore) side. getOrCreate() Nov 5, 2019 · 这个问题在jira上说加上 spark. 2版本为例。 通过Spark连接Hive Metastore，需要准备如下文件： hive-site. Jul 18, 2021 · 生产环境踩坑系列::Hive on Spark的connection timeout 问题. Users who do not have an existing Hive deployment can still enable Hive support. 4. verification false hive. defaultFS Configuration Property (core-site. You can adjust various parameters to optimize its performance. 1. metastor Aug 1, 2023 · Set the following configurations to turn off the metastore verification in the Spark configuration of the cluster: hive. metastorePartitionPruning=true When running a query in spark-shell I can see the partition fetch take place with an invocation to ThriftHiveMetastore. 6. db. 快乐的小三菊: 必须得支持一下 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. catalogImplementation configuration property to hive. Provide details and share your research! But avoid …. Mar 22, 2020 · I need to configure Hive metastore for use with Spark SQL in spark-shell. Seth_J. Asking for help, clarification, or responding to other answers. timeout参数用于设置Hive客户端与Hive元数据存储（metastore）的连接超时 Apr 19, 2023 · The timeout is defined both on client (Spark) side and on server (Hive metastore) side. timeout=90000; I need to set this and I would like to set it in a configuration file and not in hql files. execution. socketTimeOutException:read time out. Jan 30, 2025 · 在服务端调整hive. ql Aug 26, 2019 · hive. metastore. xml or spark xml. We are using Hive 2. 2mysql5. sql import SparkSession spark = SparkSession. jars <hive-jar-source> 1 Kudo LinkedIn. 5 Sandbox on Docker/Windows 10. socket. xml) dfs. hive. record. 7 and Spark 2. I input 3600 at Ambari's hive. getOrCreate() Dec 30, 2018 · The graphic above depicts a common workflow for running Spark SQL apps. md at master · apache/spark. pool. timeout参数，值为36000。 更多Hive案例汇总方案 (点击跳转) ： Hive常见故障多案例维护宝典 --项目总结(宝典一) Hive常见故障多案例维护宝典 --项目总结(宝典二) Jan 18, 2022 · 本文讲述通过spark SQL配置连接Hive Metastore，并以3. job. timeout does n Mar 27, 2024 · 1. X (Twitter) Copy URL. set("hive. timeout to 1800. 2. xml; apache-hive-3. Install Java 8 ; Build Apache Spark for Apache Hadoop ; Set Up Single-Node Hadoop Cluster ; fs. If you need Ranger Security st row level you will need Hive external tables. class do Apr 26, 2022 · spark. Hence run the next step #6 in the same session. monitor. pa Hello I facing an issue , i always have this message warning and i am not able to use Aws Glue catalog as metastore for spark. connection. 24large , max worker: 128 Connecting Spark SQL to Hive Metastore Connecting Spark SQL to Hive Metastore Table of contents . 原因：是由于hivemetastore过于繁忙或者gc导致连接超时. Default Value: false; Added In: Hive 2. Oct 19, 2021 · 文章浏览阅读1. catalogImplementation", "hive") . jdbc. net. batch. client. 解决方法：spark-sql解决：hive. sql. 1 in older releases), but setting this aligns it with your Hive setup, avoiding version mismatches that could break metadata access. Initially when I initiated spark session only default database was visible (Not default database of Hive but same of Spark). 12. version这两个参数（当然这两个参数还是要加的），然后这两个参数并不能解决这个问题，因为在用到这两个jar包之前，spark就已经对连接hive参数进行了检测。 Jul 21, 2023 · Make sure that the Hive metastore jars are included in the classpath of the Databricks cluster. config("spark. xml文件拷贝到spark的conf目录下。首先，必须让你的spark和hive都处于可以正常运行的状态下。 Nov 25, 2021 · I've tried use SparkSQL for update rows in my table, but I'm receiving the below error: 183073 [Thread-3] WARN org. schema. Locate hive. appName("Increase Connection Timeout") \ . Feb 29, 2016 · 16/02/29 21:05:07 INFO ObjectStore: Setting MetaStore object pin classes with hive. g. SessionHiveMetaStoreClient at org. com Sep 23, 2024 · How to Configure the Hive Metastore for Apache Spark. You can add the following configuration to the cluster: spark. hive. Drop the table tableName; DROP TABLE db. 1spark1. Expand Advanced hive-site. conf. 0 with HIVE-9453; Used to avoid all of the proxies and object copies in the metastore. New Contributor III In response to User16741082858. timeout: Increase the socket timeout to accommodate potentially slower connections. timeout=1500. metastore-timeout. Nov 2, 2023 · 文章浏览阅读697次。然后，把hive-site. To increase the timeout to let it run for longer: 1. timeout and the value of the actually running process are different. manageFilesourcePartitions to false to work around this problem, however this will result in degraded performance. xml for Hive service wide AND in the Hive gateway safety valves. replication Configuration Property (hdfs-site. apache. retries 参数实际上仅用于在已经建立了Metastore的会话的基础上进行正常的业务访问过程中遇到连接异常等问题时的重试次数限制，而 hive. Now that we understand the basics, we can determine which setup to use and what configuration options are required. 7. The Hive metastore holds table schemas (this includes the location of the table data), the Spark clusters, AWS EMR clusters Oct 29, 2020 · 所以 hive. 2. local在今天重新安装hive之前，一直以为这一个配置文件所表达的是hive和mysql之间的关系。 直到今天想着好好去官网看一下配置文件进行安装的时候才发现，之前对于hive三种模式的安装理解问题很大。 Feb 26, 2022 · Saprk-sql和ThriftServer使用时报错：Java. However, the Databricks guide’s use of Jun 14, 2018 · The value set for hive. I copied my hive-site. builder \ . 2 with an external Hive server to Spark3. xml to spark/conf folder - it didn't work. 共部署Hive数据源加载元数据连接池最大等待时间，单位为毫秒 May 1, 2024 · Using below approach you can increase the connection timeout by setting the appropriate configuration parameter. 1. local在今天重新安装hive之前，一直以为这一个配置文件所表达的是hive和mysql之间的关系。 直到今天想着好好去官网看一下配置文件进行安装的时候才发现，之前对于hive三种模式的安装理解问题很大。 Sep 11, 2017 · To enable pruning, I am using the following Spark/Hive property:--conf spark. 大家一起学编程（python）: 好文. spark. xml文件拷贝到spark的 Apr 2, 2018 · Issue resolved by adding SBT dependency to my project based on my Hive-metastore version available in - 197934 HIVE_STATS_JDBC_TIMEOUT at org. timeout将该参数调大。ThriftServer解决办法：在获得一个Connection之前加上：DriverManager. failure. Then tried in spark shell spark. xml) Passphrase-less SSH (macOS) Other Steps Apache Spark - A unified analytics engine for large-scale data processing - spark/docs/sql-data-sources-hive-tables. lang. server. This means no external database installation required. // Spark manually Enable Hive Support import org. Also, please note that in the first case you need to prefix the property name with spark. If Spark instances use External Hive Metastore . 0. MFieldSchema" is tagged as "embedded-only" so does not have its own Oct 15, 2023 · Hive Metastore Configuration: Hive Metastore can be configured using the hive-site. autoBroadcastJoinThreshold set to -1 already, and I can't find out any other spark configs that have that number (10485760) Things that i have tried: upgrade the worker type and driver type to rd-fleet. 3. threads: Increase the Dec 9, 2019 · Caught Hive MetaException attempting to get partition metadata by filter from Hive. Sep 26, 2017 · Hi, This is a known issue and we have an internal JIRA to track it. 2中碰到问题解决方法 1、java. cache. engine参数用于设置Hive客户端的执行引擎。可以通过修改为tez或spark来改变执行引擎，以提高执行速度和稳定性。 hive. engine hive. Mar 13, 2023 · Using Spark 3. sql Feb 25, 2017 · I recently had a hive query (executed via a JDBC connection) hang for several hours due to a metastore issue. 2; 在完成下述操作之前，当然首先需要安装并启动hive standalone metastore，并将hive-site. jars=<path-to-hive-jars> Replace <path-to-hive-jars> with the actual path to the Hive metastore jars. RuntimeException: Unable to instantiate org. When working with Hive, one must instantiate SparkSession with Hive support, including connectivity to a persistent Hive metastore, support for Hive serdes, and Hive user-defined functions. 3k次。spark操作hive的时候出现错误，不过有时候我们在创建SQLContext实例的时候遇到类似下面的异常： java. This is different to not needing Hadoop. See full list on olivermascarenhas. local本地用户模式远程分开模式 hive. 0" —ensuring compatibility between Spark and your Hive installation. ask解读. 8hive2. In order to query data stored in HDFS Apache Spark connects to a Hive Metastore. Set the spark. 17两台主机，其中节点1为namenode&datanode，节点2为datanode，安装完Hadoop、hive、mysql以后，使用mr引擎，load外部表然后进行查询，查询过程正常完成。 Sep 12, 2024 · Spark如何读Hive数据库 使用Spark读Hive数据库的核心观点包括：配置Hive支持、使用SparkSession、配置Hive Metastore、选择合适的API。 其中，配置Hive支持是最为重要的一点。要在Spark中读Hive数据，首先需要确保Spark能够访问Hive的Metastore。这通常包… Mar 27, 2018 · @Manikandan Jeyabal. timeout and confirm the value is 90s. HiveConf - HiveConf of name hive. Remote Metastore. convertMetastoreParquet Spark configuration. This is where the Databricks guide comes into play, outlining two modes of operation: local and remote. Reply. 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