![]() For more information about Oracle (NYSE:ORCL), visit. Oracle offers a comprehensive and fully integrated stack of cloud applications and platform services. My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. Datapump - Export trs lent - Streams AQ : enqueue blocked on low memory. #STREAMS AQ ENQUEUE BLOCKED ON LOW MEMORY FULL#To view full details, sign in with your My Oracle Support account.ĭon't have a My Oracle Support account? Click to get started! Derrire cette petite phrase se cache peut tre une opportunit intressante pour. To avoid STREAMS AQ: ENQUEUE BLOCKED ON LOW MEMORY error, you must set the STREAMSPOOLSIZE value returned by the result set of the following query. After digging, Oracle MOS portal helped me in this case. Oracle Cloud Infrastructure - Database Service - 版本 N/A 和更高版本ĭatapump导出和导入(expdp和impdp)可能会遇到突然严重的性能问题,因为DW和DM进程经常等待 "StreamsAQ: enqueue blocked on low memory"。 Almost 94 of time was spent on the Streams AQ: enqueue blocked on low memory wait event. #STREAMS AQ ENQUEUE BLOCKED ON LOW MEMORY UPGRADE#Changes Upgrade from 11.2.0.3 to 11.2.0.4. To avoid STREAMS AQ: ENQUEUE BLOCKED ON LOW MEMORY error, you must set the STREAMSPOOLSIZE value returned by the result set of the following query. Either leave this parameter unset or set this. Waits Time -outs Total Wait Time (s) Avg wait (ms) Waits /txn log file parallel write 36,463 0.00 566 16 0.23 Streams AQ: enqueue blocked on low memory. When set explicitly to a value of 0, it can negatively impact the speed of Advanced Queue operations, which in turn can negatively affect Data Pump operations since Data Pump uses Advanced Queueing. ![]() Oracle Database Exadata Cloud Machine - 版本 N/A 和更高版本 Streams AQ: enqueue blocked on low memory 4928 59.91 8147.57 wait for unread message on broadcast channel 27 1.00 20.21 db file sequential read 886 0.02 0.77. You can use parallel to speedup the datapump jobs. Oracle Database Cloud Schema Service - 版本 N/A 和更高版本 Oracle Database - Standard Edition - 版本 11.2.0.4 和更高版本 Oracle Database - Enterprise Edition - 版本 11.2.0.4 和更高版本 SYS_EXPORT_FULL_01 DBMS_DATAPUMP 8484 58424 wait for unread message on broadcast channel WAITING 2205272 BEGIN :1 := sys.kupc$que_int.由于频繁等待 ”Streams AQ: Enqueue Blocked On Low Memory" 而导致Datapump Expdp或Impdp变慢 Cause: streamspoolsize is autotuned with. SYS_EXPORT_FULL_01 MASTER 8487 11248 Streams AQ: enqueue blocked on low memory WAITING 2201198 BEGIN sys.kupc$que_int.put_status(:1, :2, :3) END Streams AQ: enqueue blocked on low memory during data pump export. blocked due to flow control - Streams AQ: enqueue blocked on low memory. Check the stream pool size parameter SQL> show parameter streams NAME TYPE VALUE. The wait 'Streams AQ: enqueue blocked on low memory' indicates exhaustion of the streams pool. SYS_EXPORT_FULL_01 WORKER 3794 13950 wait for unread message on broadcast channel WAITING 2208274 BEGIN :1 := sys.kupc$que_int.transceive_int(:2, :3, :4, :5, :6) END PMgrp0 grant - gc assume - gc block recovery request - gc buffer. Streams AQ: enqueue blocked on low memory processing issue in Oracle 1. SYS_EXPORT_FULL_01 WORKER 9442 37052 Streams AQ: enqueue blocked on low memory WAITING 2205765 BEGIN sys.kupc$que_int.send(:1, :2, :3) END ![]() SYS_EXPORT_FULL_01 WORKER 8501 42591 Streams AQ: enqueue blocked on low memory WAITING 2205789 BEGIN sys.kupc$que_int.send(:1, :2, :3) END In memory undo latch totalwaits Queueing: Streams AQ: enqueue blocked on low memory timewaitedmicro Queueing: Streams AQ: enqueue blocked on low. SYS_EXPORT_FULL_01 WORKER 5702 36208 wait for unread message on broadcast channel WAITING 205342 BEGIN :1 := sys.kupc$que_int.transceive_int(:2, :3, :4, :5, :6) END SYS_EXPORT_FULL_01 WORKER 9401 13405 wait for unread message on broadcast channel WAITING 205364 BEGIN :1 := sys.kupc$que_int.transceive_int(:2, :3, :4, :5, :6) END ![]() SYS_EXPORT_FULL_01 WORKER 11315 22164 Streams AQ: enqueue blocked on low memory WAITING 2179507 BEGIN sys.kupc$que_int.send(:1, :2, :3) END SYS_EXPORT_FULL_01 WORKER 13199 14950 wait for unread message on broadcast channel WAITING 205331 BEGIN :1 := sys.kupc$que_int.transceive_int(:2, :3, :4, :5, :6) END JOB_NAME SESSION_TYPE SID SERIAL# BLOCKING_SESSION EVENT STATE WAIT_TIME_MICRO SQL_FULLTEXT ![]()
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