---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2883 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: 5599.99 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 8.0G 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 761 5189 4 2280 7180 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:25:09:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80896sec preferred_lft 80896sec inet6 fe80::f816:3eff:fe25:938/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2883) 04/15/26 _x86_64_ (2 CPU) 01:47:55 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.43 0.02 1.39 0.01 1.24 16.88 435.38 02:10:36 1.24 0.01 1.22 0.01 0.05 14.83 0.69 02:20:06 1.16 0.00 1.14 0.02 0.01 13.85 1.15 02:30:01 1.40 0.01 1.37 0.03 0.40 16.86 440.57 02:40:36 1.79 0.30 1.46 0.03 37.51 69.20 1.27 02:50:26 1.19 0.00 1.17 0.02 0.00 14.16 1.11 03:00:36 22.00 2.99 16.84 2.17 224.53 3086.33 1221.55 03:10:06 15.65 0.01 1.52 14.12 0.52 68.01 112360.80 Average: 5.68 0.42 3.29 1.96 33.72 418.47 13591.04 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6277632 7528200 292048 3.59 30564 1425812 529140 5.76 446660 1187052 276 02:10:36 6279980 7531088 289152 3.56 30772 1426140 529212 5.76 446712 1187588 164 02:20:06 6278816 7530456 289816 3.56 30968 1426472 529132 5.76 446784 1188116 216 02:30:01 6273540 7525716 294424 3.62 31176 1426908 529504 5.77 446904 1188640 276 02:40:36 6245656 7527028 292736 3.60 31564 1455212 529468 5.77 458400 1206076 124 02:50:26 6243100 7525116 294640 3.62 31748 1455664 532192 5.80 460956 1206584 208 03:00:36 5281768 7401632 369940 4.55 85168 2198948 647460 7.05 601104 1957732 592 03:10:06 5266608 7401060 370392 4.55 85288 2213436 658256 7.17 603396 1972184 808 Average: 6018388 7496287 311644 3.83 44656 1628574 560546 6.11 488864 1386746 333 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.13 0.06 0.13 0.03 0.00 0.00 0.00 0.00 02:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:36 ens3 0.41 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.78 0.04 4.74 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.21 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:36 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:36 ens3 0.50 0.23 2.93 0.05 0.00 0.00 0.00 0.00 02:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:26 ens3 0.23 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:00:36 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:36 ens3 81.64 52.13 297.27 12.45 0.00 0.00 0.00 0.00 03:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:06 ens3 48.68 43.43 10.04 5.64 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.55 11.83 39.91 2.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2883) 04/15/26 _x86_64_ (2 CPU) 01:47:55 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.17 0.01 0.02 99.48 02:00:01 0 0.10 0.00 0.17 0.01 0.02 99.69 02:00:01 1 0.53 0.00 0.17 0.01 0.02 99.26 02:10:36 all 0.24 0.00 0.08 0.01 0.02 99.66 02:10:36 0 0.27 0.00 0.08 0.01 0.02 99.62 02:10:36 1 0.21 0.00 0.07 0.00 0.02 99.70 02:20:06 all 0.26 0.00 0.08 0.01 0.02 99.64 02:20:06 0 0.06 0.00 0.10 0.01 0.02 99.81 02:20:06 1 0.46 0.00 0.06 0.01 0.02 99.46 02:30:01 all 0.28 0.00 0.17 0.01 0.02 99.53 02:30:01 0 0.27 0.00 0.17 0.00 0.02 99.54 02:30:01 1 0.29 0.00 0.17 0.01 0.02 99.51 02:40:36 all 0.37 0.00 0.12 0.03 0.01 99.47 02:40:36 0 0.45 0.00 0.08 0.00 0.01 99.45 02:40:36 1 0.28 0.00 0.16 0.05 0.02 99.49 02:50:26 all 0.31 0.00 0.09 0.03 0.01 99.55 02:50:26 0 0.29 0.00 0.09 0.01 0.01 99.60 02:50:26 1 0.34 0.00 0.09 0.06 0.02 99.50 03:00:36 all 13.88 0.00 2.01 0.47 0.06 83.57 03:00:36 0 14.14 0.00 1.91 0.53 0.06 83.36 03:00:36 1 13.62 0.00 2.11 0.42 0.06 83.79 03:10:06 all 6.52 0.00 0.62 0.03 0.06 92.78 03:10:06 0 8.14 0.00 0.69 0.01 0.06 91.11 03:10:06 1 4.91 0.00 0.55 0.05 0.05 94.44 Average: all 2.74 0.00 0.42 0.08 0.03 96.74 Average: 0 2.92 0.00 0.41 0.07 0.03 96.57 Average: 1 2.56 0.00 0.42 0.08 0.03 96.91