---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20878 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.86 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 786 5192 4 2255 7155 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ca:13:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81934sec preferred_lft 81934sec inet6 fe80::f816:3eff:feca:1355/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20878) 05/28/26 _x86_64_ (2 CPU) 06:47:36 LINUX RESTART (2 CPU) 06:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 1.46 0.03 1.43 0.01 1.27 17.65 447.55 07:10:01 1.17 0.01 1.17 0.00 0.05 14.76 0.12 07:20:16 1.13 0.00 1.13 0.00 0.01 14.11 0.12 07:30:01 14.24 0.00 1.36 12.87 0.15 17.22 112671.58 07:40:01 1.21 0.00 1.21 0.00 0.00 14.61 0.00 07:50:18 2.12 0.63 1.48 0.01 45.48 102.93 0.17 08:00:01 23.74 2.87 18.49 2.38 224.51 3480.69 590.61 Average: 6.32 0.50 3.69 2.13 38.20 511.46 15891.97 06:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 6290032 7536616 283908 3.49 30552 1421952 520956 5.67 446736 1183216 172 07:10:01 6288044 7535144 285308 3.51 30732 1422284 523300 5.70 448368 1183728 160 07:20:16 6288044 7535652 284796 3.50 30908 1422608 523300 5.70 448380 1184228 236 07:30:01 6280028 7528172 292216 3.59 31072 1422976 523428 5.70 448648 1184732 240 07:40:01 6288732 7537380 283000 3.48 31236 1423312 523436 5.70 448588 1185232 152 07:50:18 6215360 7505516 314036 3.86 31720 1463888 746592 8.13 489888 1215872 220 08:00:01 5178040 7371160 396488 4.88 87068 2266996 651500 7.10 620988 2029652 188 Average: 6118326 7507091 305679 3.76 39041 1549145 573216 6.24 478799 1309523 195 06:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:01 ens3 1.19 0.09 0.15 0.06 0.00 0.00 0.00 0.00 07:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:01 ens3 0.82 0.16 0.23 0.13 0.00 0.00 0.00 0.00 07:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:16 ens3 0.41 0.05 0.25 0.03 0.00 0.00 0.00 0.00 07:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:01 ens3 0.69 0.27 0.29 0.67 0.00 0.00 0.00 0.00 07:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 07:50:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:50:18 ens3 8.90 5.01 22.37 2.59 0.00 0.00 0.00 0.00 08:00:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 08:00:01 ens3 38.21 28.00 300.54 5.69 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.12 4.73 45.33 1.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20878) 05/28/26 _x86_64_ (2 CPU) 06:47:36 LINUX RESTART (2 CPU) 06:50:16 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 0.29 0.00 0.18 0.01 0.03 99.50 07:00:01 0 0.13 0.00 0.19 0.01 0.03 99.64 07:00:01 1 0.44 0.00 0.17 0.01 0.03 99.35 07:10:01 all 0.27 0.00 0.08 0.01 0.03 99.61 07:10:01 0 0.26 0.00 0.08 0.02 0.03 99.61 07:10:01 1 0.28 0.00 0.08 0.00 0.03 99.61 07:20:16 all 0.22 0.00 0.07 0.02 0.03 99.66 07:20:16 0 0.39 0.00 0.06 0.00 0.03 99.52 07:20:16 1 0.04 0.00 0.08 0.03 0.04 99.80 07:30:01 all 0.26 0.00 0.17 0.03 0.04 99.50 07:30:01 0 0.24 0.00 0.20 0.05 0.04 99.47 07:30:01 1 0.28 0.00 0.15 0.01 0.03 99.53 07:40:01 all 0.21 0.00 0.06 0.01 0.03 99.69 07:40:01 0 0.38 0.00 0.04 0.01 0.02 99.55 07:40:01 1 0.04 0.00 0.08 0.01 0.04 99.84 07:50:18 all 0.57 0.00 0.11 0.02 0.03 99.27 07:50:18 0 0.72 0.00 0.11 0.03 0.02 99.12 07:50:18 1 0.43 0.00 0.10 0.02 0.04 99.41 08:00:01 all 11.58 0.00 1.76 0.55 0.06 86.05 08:00:01 0 13.47 0.00 1.97 0.60 0.06 83.90 08:00:01 1 9.69 0.00 1.55 0.49 0.06 88.21 Average: all 1.87 0.00 0.34 0.09 0.04 97.66 Average: 0 2.18 0.00 0.37 0.10 0.03 97.31 Average: 1 1.57 0.00 0.31 0.08 0.04 98.01