ERROR cc:268 Invalid short-circuit reads configuration:- Impala cannotreador execute the parent directory of dfs.domain.socket.pathERROR cc:271 Aborting Impala Server startup due to improper configuration. Impalad exiting. 回到顶部 解决方法: 1、去HDFS中找到dfs.domain.socket.path配置 2、找到报错的...
def redis(start_time=0,end_time=0,fields=None): import redis import json client...
针对你的问题“impala cannot read or execute the parent directory of dfs.domain.socket.path”,我按照提供的提示进行了详细的分析和建议,以下是分点回答: 确认dfs.domain.socket.path的配置值: 首先,你需要检查Impala的配置文件(通常是impala-site.xml),确认dfs.domain.socket.path的配置值。这个配置项指定了Imp...
原因分析 当查询时有部分数据块不是本地优先读取,而是通过网络传输,这样就会带来性能损耗,因为数据改成了2副本的,而正好该查询或者插入存放数据的节点不是Impala的executor节点,所以数据是通过网络传输的
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.makeWorkers(BenchmarkModule.java:209) at pt.haslab.htapbench.core.HTAPBench.runHybridWorkload(HTAPBench.java:846) Caused by: com.cloudera.impala.support.exceptions.GeneralException: [Cloudera][ImpalaJDBCDriver](500151) Error setting/closing session: java.net.SocketTimeoutException: Read timed ...
在Impala的HDFS_SCAN_NODE中有一个counter,叫AverageHdfsReadThreadConcurrency,其相关解释如下所示: 简单理解为,这个值越高,那么同时参与hdfsscan的线程就会越多,在一定程度上,扫描就会更快;如果这个值比较小,那么就有可能是当前的查询比较多,导致线程被其他scan node给占用了。本文就结合代码来跟大家一起学习下,这个...
impalad_args='--iceberg_always_allow_merge_on_read_operations=true') @pytest.mark.execute_serially def test_enable_merge_on_read(self, unique_database): """If the flag is enabled, Impala can execute DELETE, UPDATE and MERGE operations even if the table property is 'copy-on-write'."""...
Affects Versions: Impala 1.4.2 Reporter: Andrew Sherman Assignee: Andrew Sherman The README.md file is displayed on the github home page [https://github.com/apache/impala] Change this so that the opening line mentions “data stored in open data ...
Quanlong Huang resolved IMPALA-8778. --- Fix Version/s: Impala 3.4.0 Resolution: Implemented > Support read Apache Hudi Read Optimized tables > --- > > Key: IMPALA-8778 > URL:https://issues.apache.org/jira/browse/IMPALA-8778> Project: IMPALA > Issue Type: New Feature > Reporter: Yuan...