Warning: /opt/cloudera/parcels/CDH-5.3.0-1.cdh5.3.0.p0.30/bin/../lib/sqoop/../accumulo does not exist! Accumulo imports will fail.
Please set $ACCUMULO_HOME to the root of your Accumulo installation.
15/01/09 14:31:49 INFO sqoop.Sqoop: Running Sqoop version: 1.4.5-cdh5.3.0
15/01/09 14:31:49 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
15/01/09 14:31:49 INFO tool.BaseSqoopTool: Using Hive-specific delimiters for output. You can override
15/01/09 14:31:49 INFO tool.BaseSqoopTool: delimiters with --fields-terminated-by, etc.
15/01/09 14:31:49 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
15/01/09 14:31:49 INFO tool.CodeGenTool: Beginning code generation
15/01/09 14:31:50 INFO manager.SqlManager: Executing SQL statement: SELECT page_id,user_id FROM pages_users WHERE (1 = 0)
15/01/09 14:31:50 INFO manager.SqlManager: Executing SQL statement: SELECT page_id,user_id FROM pages_users WHERE (1 = 0)
15/01/09 14:31:50 INFO manager.SqlManager: Executing SQL statement: SELECT page_id,user_id FROM pages_users WHERE (1 = 0)
15/01/09 14:31:50 INFO orm.CompilationManager: HADOOP_MAPRED_HOME is /opt/cloudera/parcels/CDH/lib/hadoop-mapreduce
Note: /tmp/sqoop-root/compile/b90e7b492f5b66554f2cca3f88ef7a61/QueryResult.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
15/01/09 14:31:51 INFO orm.CompilationManager: Writing jar file: /tmp/sqoop-root/compile/b90e7b492f5b66554f2cca3f88ef7a61/QueryResult.jar
15/01/09 14:31:51 INFO mapreduce.ImportJobBase: Beginning query import.
15/01/09 14:31:51 INFO Configuration.deprecation: mapred.jar is deprecated. Instead, use mapreduce.job.jar
15/01/09 14:31:51 INFO manager.SqlManager: Executing SQL statement: SELECT page_id,user_id FROM pages_users WHERE (1 = 0)
15/01/09 14:31:51 INFO manager.SqlManager: Executing SQL statement: SELECT page_id,user_id FROM pages_users WHERE (1 = 0)
15/01/09 14:31:51 WARN spi.Registration: Not loading URI patterns in org.kitesdk.data.spi.hive.Loader
15/01/09 14:31:51 ERROR sqoop.Sqoop: Got exception running Sqoop: org.kitesdk.data.DatasetNotFoundException: Unknown dataset URI: hive?dataset=default.pages_users3
org.kitesdk.data.DatasetNotFoundException: Unknown dataset URI: hive?dataset=default.pages_users3
at org.kitesdk.data.spi.Registration.lookupDatasetUri(Registration.java:109)
at org.kitesdk.data.Datasets.create(Datasets.java:189)
at org.kitesdk.data.Datasets.create(Datasets.java:240)
at org.apache.sqoop.mapreduce.ParquetJob.createDataset(ParquetJob.java:81)
at org.apache.sqoop.mapreduce.ParquetJob.configureImportJob(ParquetJob.java:70)
at org.apache.sqoop.mapreduce.DataDrivenImportJob.configureMapper(DataDrivenImportJob.java:112)
at org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:262)
at org.apache.sqoop.manager.SqlManager.importQuery(SqlManager.java:721)
at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:499)
at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:605)
at org.apache.sqoop.Sqoop.run(Sqoop.java:143)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:179)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:218)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:227)
at org.apache.sqoop.Sqoop.main(Sqoop.java:236)
在视频传输领域，MP4虽然常见，但在直播场景中直接使用MP4格式存在诸多问题。例如，MP4文件的头部信息（如ftyp、moov）较大，导致初始加载时间较长，影响用户体验。相比之下，HLS（HTTP Live Streaming）协议及其M3U8格式更具优势。HLS通过将视频切分成多个小片段，并生成一个M3U8播放列表文件，实现低延迟和高稳定性。本文详细介绍了如何将TS文件转换为M3U8直播流，包括技术原理和具体操作步骤，帮助读者更好地理解和应用这一技术。 ...
[详细]
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