115 lines
3.0 KiB
Markdown
115 lines
3.0 KiB
Markdown
# 【E21现场】优化app_sketch_local插件的内存使用，修复BOLE-IGW 10.225.11.1 内存告警
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| ID | Creation Date | Assignee | Status |
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|----|----------------|----------|--------|
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| OMPUB-523 | 2022-06-14T04:07:14.000+0800 | 刘学利 | 已关闭 |
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BOLE-IGW 10.225.11.1 从2022-06-09 16:17:00 重启之后内存持续上涨 到现在已经超过80了，告警已经持续了一天多
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DIR-IGW 10.219.11.7 在2022-06-06出现内存告警，查看流量、内存曲线，升级之后 内存曲线是持续上涨的。**liuxueli** commented on *2022-06-16T13:22:53.812+0800*:
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* 更新app_sketch_local-v4.3.6版本，可以节约10%的内存。
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**liuxueli** commented on *2022-06-16T15:58:21.460+0800*:
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* 更新BOLE-IGW 10.225.11.1
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**liuxueli** commented on *2022-06-20T09:12:00.914+0800*:
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* 在BOLE-IGW 10.225.11.1更新app_sketch_local后，内存节约10%左右
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** !image-2022-06-20-09-11-06-798.png!
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**zhengchao** commented on *2022-06-20T10:14:46.991+0800*:
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并发会话有多少？列一下节省内存的计算公式。
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**liuxueli** commented on *2022-06-20T10:44:19.379+0800*:
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* SAPP统计的流标签的数量如下，{color:#de350b}其中app_sketch_local的流标签数量为3095301个，每个流标签节省约4KB的内存，3095301+4KB=12678352896(约12.6GB){color}
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** 旧版本app_sketch_local每个流标签大小为(32+4096)bytes，4K存储包长序列的特征
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** 修改后app_sketch_local每个流标签大小为(32+24+N*8*2)bytes，其中N代表记录包长的个数，目前配置是N=2
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**
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{code:java}
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Project_ID In_Use_Number Project_Name
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1 2856557 tcp_flow_stat
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2 2856557 tcp_deduce_flow_stat
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3 1226075 udp_flow_stat
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4 2415256 L7_PROTOCOL_LABEL
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6 3940743 TSG_MASTER_INTERNAL_LABEL
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7 3095300 TSG_MASTER_CONTEXT
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8 3940746 TSG_TCPALL_CONTEXT
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9 3041973 APP_IDENTIFY_RESULT
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10 1280149 MESA_PROTO
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11 1172430 JA3_FINGERPRINT_LABEL
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12 1718 MAIL_IDENTIFY
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13 2856560 SKETCH_PROTO_CTX_LABEL
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14 3940748 SKETCH_TRANS_LAYER_CTX_LABEL
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15 19169 CAPTURE_STREAM_PME
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17 33869 USER_DEFINE_APP_ID_LABEL
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18 582895 BUILT_IN_APP_ID_LABEL
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19 2322879 SYN_ATTRIBUTE
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20 787358 SACK_ATTRIBUTE
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21 3095301 APP_SKETCH_CONTEXT
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Total 39466283 N/A
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{code}
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## Attachments
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**28953/225.11.1.memory_used_stat.txt**
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**28954/225.11.1.sysinfo.txt**
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**28955/225.11.1.tsg_stat.txt**
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**28948/image-2022-06-20-09-11-06-798.png**
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**28720/微信图片_20220613230446.png**
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**28719/微信图片_20220613230452.png**
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**28718/微信图片_20220613230506.png**
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**28717/微信图片_20220613230511.png**
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