---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38889 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 8.2G 30G 22% / 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 776 4941 4 2525 7165 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:0f:cb:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81673sec preferred_lft 81673sec inet6 fe80::f816:3eff:fe0f:cb2f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38889) 08/20/26 _x86_64_ (2 CPU) 01:04:05 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:17 14.35 0.02 1.43 12.90 1.23 17.33 106193.28 01:30:01 1.48 0.00 1.46 0.03 0.00 17.70 426.87 01:40:01 1.31 0.00 1.29 0.02 0.00 15.57 1.73 01:50:16 1.32 0.00 1.30 0.02 0.00 15.73 1.86 02:00:01 1.58 0.00 1.54 0.04 0.00 18.95 213.84 02:10:01 18.35 1.58 15.82 0.95 114.75 2247.55 288.02 02:20:17 27.13 14.38 11.31 1.44 251.97 1536.75 1062.35 Average: 9.47 2.33 4.90 2.24 53.32 556.49 15804.65 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:17 6274392 7550236 270328 3.32 31284 1449904 527500 5.75 453656 1202444 224 01:30:01 6267932 7544300 276204 3.40 31488 1450204 527500 5.75 455664 1202948 240 01:40:01 6260120 7537020 283476 3.49 31688 1450532 528988 5.76 455472 1203476 240 01:50:16 6267696 7545188 275292 3.39 31916 1450888 529144 5.76 455500 1204060 188 02:00:01 6257740 7535888 284568 3.50 32136 1451316 529144 5.76 455568 1204580 240 02:10:01 5428496 7372844 407688 5.01 71920 2043672 666464 7.26 617000 1819992 47592 02:20:17 4975916 7334220 404900 4.98 89896 2416652 682404 7.43 631780 2181520 188 Average: 5961756 7488528 314637 3.87 45761 1673310 570163 6.21 503520 1431289 6987 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 2.05 0.12 1.08 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.64 0.13 0.65 0.08 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.58 0.28 0.13 0.60 0.00 0.00 0.00 0.00 01:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:16 ens3 0.21 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.19 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 39.79 27.09 280.98 6.03 0.00 0.00 0.00 0.00 02:20:17 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:20:17 ens3 49.82 43.94 140.60 9.76 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 13.47 10.36 60.81 2.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38889) 08/20/26 _x86_64_ (2 CPU) 01:04:05 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:17 all 0.28 0.00 0.10 0.03 0.03 99.57 01:20:17 0 0.06 0.00 0.11 0.04 0.04 99.76 01:20:17 1 0.50 0.00 0.08 0.02 0.02 99.38 01:30:01 all 0.30 0.00 0.16 0.01 0.03 99.50 01:30:01 0 0.42 0.00 0.16 0.01 0.02 99.40 01:30:01 1 0.19 0.00 0.16 0.01 0.04 99.60 01:40:01 all 0.30 0.00 0.06 0.01 0.04 99.60 01:40:01 0 0.32 0.00 0.06 0.00 0.03 99.59 01:40:01 1 0.28 0.00 0.06 0.01 0.04 99.61 01:50:16 all 0.21 0.00 0.07 0.01 0.03 99.69 01:50:16 0 0.38 0.00 0.05 0.00 0.02 99.55 01:50:16 1 0.03 0.00 0.09 0.02 0.04 99.82 02:00:01 all 0.25 0.00 0.17 0.01 0.03 99.55 02:00:01 0 0.44 0.00 0.17 0.00 0.02 99.37 02:00:01 1 0.06 0.00 0.17 0.02 0.03 99.72 02:10:01 all 6.21 0.00 0.91 0.35 0.04 92.49 02:10:01 0 7.90 0.00 1.09 0.43 0.03 90.54 02:10:01 1 4.52 0.00 0.73 0.27 0.05 94.43 02:20:17 all 11.60 0.17 1.18 0.31 0.07 86.67 02:20:17 0 13.96 0.00 1.10 0.20 0.07 84.67 02:20:17 1 9.25 0.34 1.27 0.41 0.06 88.66 Average: all 2.77 0.03 0.38 0.10 0.04 96.69 Average: 0 3.39 0.00 0.39 0.10 0.03 96.09 Average: 1 2.14 0.05 0.37 0.11 0.04 97.29