2025-09-14 21:52:36 +00:00
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# 【M22项目】OLAP Asset High Disk IO > 90%
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| ID | Creation Date | Assignee | Status |
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|----|----------------|----------|--------|
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| OMPUB-1430 | 2024-08-23T12:16:54.000+0800 | 王成成 | 已关闭 |
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YGN-NDC-SRV-OLAP011~031 在2024-08-22 23:30前后出现 io使用超过90%的告警 **wangchengcheng** commented on *2024-08-27T16:41:39.104+0800*:
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{*}问题描述：{*}告警节点均为Druid节点，因Druid Historical的缓存数据文件数量超过配置限制而触发重启，导致数据文件重新加载，进而引发磁盘IO过高。
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{*}处置方案：{*}将 Druid 服务器的 max_map_count 从 65536（64K）调整为 262144（256K）。
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2025-09-14 22:26:17 +00:00
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# Attachments
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2025-09-14 21:52:36 +00:00
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