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CONTAP-476238：由于后台 IO 统计数据消耗过多内存，WAFL 挂起

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Category:
ontap-9
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CORE
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问题描述

ONTAP 9.9.1 内核没有检查限制后台 IO (BigIO) 统计对象的创建，这些对象用于收集重建操作的统计信息。由于创建了大量统计对象，这最终可能会消耗大量系统内存，导致其他操作无法找到足够的资源继续运行。这可能会导致 WAFL 挂起。

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