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2025-09-14 21:52:36 +00:00

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# 【M22项目】OLAP Asset High Disk IO > 90%
| ID | Creation Date | Assignee | Status |
|----|----------------|----------|--------|
| 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*:
{*}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。
{*}处置方案:{*}将 Druid 服务器的 max_map_count 从 6553664K调整为 262144256K
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