hive> select count(*) from test_db.cust; Query ID = EMMAdmin_20200106222630_32064e30-7ae6-4e0a-bf1b-b0979e297102
Total jobs = 1
Launching Job 1 out of 1
Number of reduce tasks determined at compile time: 1
In order to change the average load for a reducer (in bytes):
set hive.exec.reducers.byt
我们使用的是Nutch 2.3.1-src版本。正在执行深度为200的爬网命令。但在几次迭代之后,获取失败,并出现下面提到的运行时异常。 java.lang.RuntimeException: java.lang.IllegalArgumentException: KeyValue size too large
Exception at GoraRecordWriter.class while writing to datastore: KeyValue size too large 爬网命令: /Data/Apache/apache-nutch-2.3.1/runtime/local/bi
当我试图安装maven时,我有这个错误核心。
org.apache.maven.plugins:maven-install-plugin:2.4 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-install-plugin:jar:2.4: Could not transfer artifact org.apache.maven.plugins:maven-install-plugin:pom:2.4 f