---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60298 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 8.1G 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 755 5067 4 2414 7186 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:2e:76:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79751sec preferred_lft 79751sec inet6 fe80::f816:3eff:fe2e:7620/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60298) 09/28/26 _x86_64_ (2 CPU) 00:39:04 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 1.35 0.03 1.32 0.01 1.24 16.60 213.73 01:00:03 14.72 1.94 11.82 0.96 158.52 1892.05 468.41 01:10:03 27.55 1.23 10.76 15.56 108.88 1913.23 106833.87 01:20:03 1.28 0.00 1.26 0.02 0.01 21.55 0.20 01:30:01 1.63 0.00 1.59 0.04 0.00 22.46 7.09 01:40:03 1.45 0.00 1.40 0.05 0.00 129.97 5.70 01:50:03 1.54 0.00 1.48 0.07 0.00 19.19 6.61 02:00:01 1.57 0.00 1.51 0.06 0.00 23.94 407.79 02:10:03 1.41 0.00 1.38 0.02 0.20 55.03 3.75 02:20:03 1.44 0.00 1.41 0.03 0.00 25.21 4.16 Average: 5.39 0.32 3.39 1.68 26.89 411.96 10794.84 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 6311372 7558296 262068 3.22 30544 1423268 528192 5.75 439128 1183896 176 01:00:03 5225236 7180236 599012 7.37 71476 2055708 840388 9.15 751732 1830452 194512 01:10:03 5076572 7319676 445944 5.48 87944 2315720 868780 9.46 635108 2078268 184 01:20:03 5075092 7320332 445312 5.48 88108 2317692 877476 9.56 635264 2080404 228 01:30:01 5084164 7330716 434908 5.35 88316 2318800 877660 9.56 635536 2081592 240 01:40:03 5062912 7344252 421136 5.18 88528 2353152 888388 9.68 645156 2116152 192 01:50:03 5063760 7345928 419444 5.16 88728 2353768 888388 9.68 645172 2116972 192 02:00:01 5035084 7318540 446784 5.49 88876 2354896 896696 9.77 645288 2118248 124 02:10:03 5035660 7331552 433600 5.33 89028 2367016 868492 9.46 624704 2130520 644 02:20:03 5042132 7340500 424636 5.22 89216 2369272 858720 9.35 615384 2132836 164 Average: 5201198 7339003 433284 5.33 81076 2222929 839318 9.14 627247 1986934 19666 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 3.30 0.12 0.40 0.09 0.00 0.00 0.00 0.00 01:00:03 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:00:03 ens3 53.90 33.62 286.71 6.69 0.00 0.00 0.00 0.00 01:10:03 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:10:03 ens3 45.50 35.09 264.22 6.95 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 10.47 9.81 140.01 0.96 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 3.14 2.68 5.13 0.51 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 4.87 3.57 36.91 0.39 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 2.58 1.69 0.32 0.22 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 4.55 3.71 9.11 0.68 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 13.67 13.32 213.21 1.53 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 14.29 13.99 223.20 1.41 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.63 11.76 117.99 1.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60298) 09/28/26 _x86_64_ (2 CPU) 00:39:04 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 0.27 0.00 0.09 0.02 0.00 99.62 00:50:03 0 0.32 0.00 0.09 0.02 0.00 99.58 00:50:03 1 0.22 0.00 0.10 0.02 0.00 99.66 01:00:03 all 6.18 0.00 1.17 0.42 0.01 92.22 01:00:03 0 6.10 0.00 1.12 0.55 0.01 92.22 01:00:03 1 6.26 0.00 1.22 0.29 0.01 92.22 01:10:03 all 6.52 0.00 1.28 0.26 0.01 91.93 01:10:03 0 8.00 0.00 1.34 0.18 0.01 90.47 01:10:03 1 5.05 0.00 1.21 0.35 0.01 93.38 01:20:03 all 0.80 0.00 0.24 0.04 0.00 98.92 01:20:03 0 1.04 0.00 0.31 0.04 0.01 98.60 01:20:03 1 0.55 0.00 0.17 0.03 0.00 99.24 01:30:01 all 0.71 0.00 0.25 0.01 0.01 99.03 01:30:01 0 1.01 0.00 0.22 0.00 0.01 98.76 01:30:01 1 0.44 0.00 0.28 0.02 0.01 99.26 01:40:03 all 0.54 0.00 0.16 0.02 0.01 99.28 01:40:03 0 0.52 0.00 0.15 0.02 0.01 99.30 01:40:03 1 0.56 0.00 0.17 0.01 0.01 99.25 01:50:03 all 0.50 0.00 0.16 0.01 0.00 99.33 01:50:03 0 0.52 0.00 0.10 0.02 0.00 99.36 01:50:03 1 0.47 0.00 0.22 0.00 0.01 99.30 02:00:01 all 0.68 0.00 0.27 0.01 0.00 99.04 02:00:01 0 0.51 0.00 0.29 0.01 0.00 99.19 02:00:01 1 0.85 0.00 0.24 0.01 0.00 98.90 02:10:03 all 1.59 0.00 0.36 0.01 0.01 98.04 02:10:03 0 1.98 0.00 0.30 0.00 0.00 97.71 02:10:03 1 1.20 0.00 0.41 0.03 0.01 98.36 02:20:03 all 0.92 0.00 0.31 0.01 0.01 98.75 02:20:03 0 0.73 0.00 0.29 0.01 0.01 98.96 02:20:03 1 1.11 0.00 0.33 0.01 0.01 98.55 Average: all 1.88 0.00 0.43 0.08 0.01 97.60 Average: 0 2.09 0.00 0.42 0.09 0.01 97.39 Average: 1 1.68 0.00 0.44 0.08 0.01 97.80