DII 采集单元心跳超时：xxx 秒
适用于
- Data Infrastructure Insights (DII)
- Storage Workload Security (SWS) v1.782.0
- 采集单元和 SWS 代理正在同一台 Linux 主机上运行
问题
Acquisition unit AU-host at IP address AU-host-IP. Heartbeat overdue by: 774 seconds频繁报告。- AU 主机在远程访问时变得无响应。
acq.log引发以下错误，表示存在内存不足风险，原因是 AU 外部的内存利用率达到 82.5%：
2026-07-01 19:59:21,924 INFO [DSM-pool-3-thread-2] com.onaro.sanscreen.acquisition.framework.datasource.BaseDataSource (BaseDataSource.java:447) - [foundation] iris-eqosaka1 - Started acquisition 2026-07-01 19:59:22,056 INFO [DSM-pool-3-thread-2/iris-eqosaka1 [foundation] [ 93 ] ] com.onaro.sanscreen.acquisition.framework.datasource.AuditSession (AuditSession.java:75) - Create datasource audit 505304 for datasource name: datastore-01 package: foundation datasource Id: 1 2026-07-01 19:59:22,056 INFO [DSM-pool-3-thread-2/datastore-01 [foundation] [ 93 ] ] com.onaro.sanscreen.acquisition.framework.datasource.BaseDataSource (BaseDataSource.java:604) - Poll begin for package foundation . Switching classloader and running poll. ClassLoaderHandoff 2026-07-01 19:59:40,628 WARN [HB-MetricsCollector] com.onaro.sanscreen.acquisition.util.AcqMetricService (AcqMetricService.java:1309) - External OOM Risk Level: Critical - NonAU: 82.50204158552673%, Swap: 15.506715506715507%, MemAvailable: 673MB ... 2026-07-02 14:08:43,284 ERROR [ATM-Acq unit heart rate] com.onaro.sanscreen.acquisition.framework.mgmt.ServiceManager (ServiceManager.java:763) - Service Manager - Acquisition Unit Manager reported an error: Failed to renew lease for acquisition unit AU-host RequestException{message=Error executing POST request to /rest/v1/au/hb/ab56c305-a8f3-42a5-b1d1-2dc77795a214?reqId=45fa21db-8922-4232-8e4c-132073ac1d88., statusCode=-1, errorCode=null}
- SWS 主机正面临内存压力，总内存仅剩 2% 可用，表明内存耗尽的风险极高。
# cat /proc/meminfo MemTotal: 32602684 kB MemFree: 362360 kB MemAvailable: 670524 kB Buffers: 0 kB Cached: 16181016 kB SwapCached: 47692 kB Active: 3783356 kB Inactive: 27788856 kB Active(anon): 3648916 kB Inactive(anon): 27302316 kB