并行不工作的impdp

Question

我想并行加载Oracle转储文件。我的机器上有23个内核。所有转储文件都是使用expdp创建的。

为此，我运行以下命令：

impdp $RMS_SCHEMA/amadeus@$TWO_TASK directory=RMS_DUMP_DIR2 dumpfile=Auto_SK_LAD_MIG04.%U.dmp logfile=import.log PARALLEL=33

不幸的是，导入速度并不快。

下面是我在显示datapump_job的状态时得到的结果

Import> status

Job: SYS_IMPORT_TABLE_01
  Operation: IMPORT
  Mode: TABLE
  State: EXECUTING
  Bytes Processed: 1,324,932,752
  Percent Done: 6
  Current Parallelism: 5
  Job Error Count: 0
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.%u.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.01.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.02.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.03.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.04.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.05.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.06.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.07.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.08.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.09.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.10.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.11.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.12.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.13.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.14.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.15.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.16.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.17.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.18.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.19.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.20.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.21.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.22.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.23.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.24.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.25.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.26.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.27.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.28.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.29.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.30.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.31.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.32.dmp
  Dump File: /data2/rms/dump/Auto_SK_LAD_MIG04.33.dmp

Worker 1 Status:
  Process Name: DW00
  State: EXECUTING
  Object Schema: OWNRMSABE_AIR_SK
  Object Name: LAD_AVAILABILITY_MIG04
  Object Type: TABLE_EXPORT/TABLE/TABLE_DATA
  Completed Objects: 6
  Completed Rows: 576,351
  Completed Bytes: 295,161,304
  Percent Done: 53
  Worker Parallelism: 1

我做错什么了？

谢谢

Answer 1

我找到了答案。对于感兴趣的人：https://community.oracle.com/thread/2294237