补充一下 我的flink版本是1.11.1 翻了下邮件列表，有个https://issues.apache.org/jira/browse/FLINK-19121 <https://issues.apache.org/jira/browse/FLINK-19121> 性能问题 <https://issues.apache.org/jira/browse/FLINK-19121%E6%80%A7%E8%83%BD%E9%97%AE%E9%A2%98>，不知道是否跟这个有关
> 2020年11月26日 上午11:49，admin <17626017...@163.com> 写道： > > Hi，all > 两个job，都从同一个kafka读数据，一份写入hdfs，一份写入hive，都是分钟分区，并发都是200。运行一段时间后发现写hive要落后hdfs很多，而且hive任务对应的hdfs路径下，某一分区内的文件甚至跨度2个小时之久。大家遇到过这种情况没 > 附上对应ddl > hive： > CREATE EXTERNAL TABLE hive_table ( > log_timestamp BIGINT, > ip STRING, > `raw` STRING > ) PARTITIONED BY (`day` STRING, `hour` STRING,`minute` STRING) STORED AS > PARQUET > TBLPROPERTIES ( > 'parquet.compression'='SNAPPY', > 'sink.partition-commit.policy.kind' = 'success-file', > 'sink.partition-commit.success-file.name' = '_SUCCESS' > ); > > Hdfs: > > CREATE TABLE hdfs_table ( > log_timestamp BIGINT, > ip STRING, > `raw` STRING, > `day` STRING, `hour` STRING,`minute` STRING > ) PARTITIONED BY (`day` , `hour` ,`minute`) WITH ( > 'connector'='filesystem', > 'path'='hdfs://xx/test.db/hdfs_table', > 'format'='parquet', > 'parquet.compression'='SNAPPY', > 'sink.partition-commit.policy.kind' = 'success-file’, > 'sink.partition-commit.success-file.name' = '_SUCCESS' > ); > > > 实际hdfs文件对比： > > -rw-r--r-- 3 hadoop hadoop 1514862 2020-11-26 09:26 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-150-824 > -rw-r--r-- 3 hadoop hadoop 10798011 2020-11-26 09:34 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-151-830 > -rw-r--r-- 3 hadoop hadoop 4002618 2020-11-26 09:35 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-151-831 > -rw-r--r-- 3 hadoop hadoop 8057522 2020-11-26 09:51 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-152-844 > -rw-r--r-- 3 hadoop hadoop 6675744 2020-11-26 09:52 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-152-845 > -rw-r--r-- 3 hadoop hadoop 4062571 2020-11-26 09:51 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-153-844 > -rw-r--r-- 3 hadoop hadoop 10247973 2020-11-26 09:52 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-153-845 > -rw-r--r-- 3 hadoop hadoop 483029 2020-11-26 09:53 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-153-846 > -rw-r--r-- 3 hadoop hadoop 9440221 2020-11-26 09:16 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-154-816 > -rw-r--r-- 3 hadoop hadoop 5346956 2020-11-26 09:17 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-154-817 > -rw-r--r-- 3 hadoop hadoop 4940718 2020-11-26 09:51 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-155-844 > -rw-r--r-- 3 hadoop hadoop 9687410 2020-11-26 09:52 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-155-845 > -rw-r--r-- 3 hadoop hadoop 51998 2020-11-26 09:53 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-155-846 > -rw-r--r-- 3 hadoop hadoop 3518 2020-11-26 09:37 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-156-833 > -rw-r--r-- 3 hadoop hadoop 13801987 2020-11-26 09:39 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-156-834 > -rw-r--r-- 3 hadoop hadoop 963288 2020-11-26 09:40 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-156-835 > -rw-r--r-- 3 hadoop hadoop 6036601 2020-11-26 09:27 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-157-825 > -rw-r--r-- 3 hadoop hadoop 8864235 2020-11-26 09:29 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-157-826 > -rw-r--r-- 3 hadoop hadoop 10865872 2020-11-26 09:37 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-158-833 > -rw-r--r-- 3 hadoop hadoop 4031077 2020-11-26 09:39 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-158-834 > -rw-r--r-- 3 hadoop hadoop 228350 2020-11-26 09:09 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-159-811 > -rw-r--r-- 3 hadoop hadoop 14661395 2020-11-26 09:11 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-159-812 > -rw-r--r-- 3 hadoop hadoop 5451995 2020-11-26 09:29 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-160-826 > -rw-r--r-- 3 hadoop hadoop 9149301 2020-11-26 09:30 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-160-827 > -rw-r--r-- 3 hadoop hadoop 4731543 2020-11-26 09:30 > hdfs://xxx/test.db/hive_table/day=2020-11-26/hour=08/minute=59/part-17bacc1b-cf96-463b-9cb7-aa318a05936c-161-827 > > > > > -rw-r--r-- 3 hadoop hadoop 5950562 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-17-1288 > -rw-r--r-- 3 hadoop hadoop 8922364 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-170-1287 > -rw-r--r-- 3 hadoop hadoop 5898257 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-170-1288 > -rw-r--r-- 3 hadoop hadoop 8848292 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-171-1287 > -rw-r--r-- 3 hadoop hadoop 5893106 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-171-1288 > -rw-r--r-- 3 hadoop hadoop 8905617 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-172-1287 > -rw-r--r-- 3 hadoop hadoop 5800338 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-172-1288 > -rw-r--r-- 3 hadoop hadoop 8914099 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-173-1287 > -rw-r--r-- 3 hadoop hadoop 5773258 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-173-1288 > -rw-r--r-- 3 hadoop hadoop 8950742 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-174-1287 > -rw-r--r-- 3 hadoop hadoop 5829613 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-174-1288 > -rw-r--r-- 3 hadoop hadoop 8808161 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-175-1287 > -rw-r--r-- 3 hadoop hadoop 5910085 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-175-1288 > -rw-r--r-- 3 hadoop hadoop 8871508 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-176-1287 > -rw-r--r-- 3 hadoop hadoop 5896191 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-176-1288 > -rw-r--r-- 3 hadoop hadoop 8855378 2020-11-26 08:59 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-177-1287 > -rw-r--r-- 3 hadoop hadoop 5857271 2020-11-26 09:00 > hdfs://xxx/test.db/hdfs_table/day=2020-11-26/hour=08/minute=59/part-633fa7d2-8d80-4e4d-ab90-f8b77c792b40-177-1288
