---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9121 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: 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 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 781 5034 4 2420 7160 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:7c:4c:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78845sec preferred_lft 78845sec inet6 fe80::f816:3eff:fe7c:4cfb/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-9121) 09/18/26 _x86_64_ (2 CPU) 00:19:44 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:04 5.86 3.24 2.55 0.07 410.60 199.06 658.96 00:40:04 14.68 0.01 1.43 13.23 0.20 17.19 109013.56 00:50:04 1.26 0.00 1.24 0.02 0.00 15.23 44.76 01:00:04 25.69 2.84 20.46 2.40 223.83 3567.88 1186.84 01:10:04 1.23 0.00 1.21 0.02 0.00 24.44 3.36 01:20:04 1.22 0.00 1.20 0.02 0.01 20.92 3.05 01:30:04 1.51 0.00 1.48 0.03 0.00 131.17 2.36 01:40:04 1.28 0.00 1.25 0.03 0.00 17.88 4.37 01:50:04 1.24 0.00 1.20 0.03 0.00 17.52 3.49 02:00:04 1.51 0.00 1.46 0.05 0.00 24.13 407.47 02:10:04 1.35 0.01 1.32 0.03 0.20 65.31 3.87 02:20:04 1.46 0.00 1.43 0.03 0.00 23.36 3.92 Average: 4.86 0.51 3.02 1.33 53.02 343.63 9275.36 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:04 6219648 7510932 308468 3.79 31052 1466308 738444 8.04 465020 1217184 228 00:40:04 6227236 7519148 300212 3.69 31276 1466680 738524 8.04 465192 1217760 224 00:50:04 6236448 7528876 290468 3.57 31468 1466996 738740 8.05 465048 1218268 248 01:00:04 5098532 7335828 429928 5.29 87332 2310264 880772 9.59 643820 2071904 192 01:10:04 5053932 7294128 471672 5.80 87484 2313076 910440 9.92 666256 2074868 268 01:20:04 5049524 7291692 474036 5.83 87656 2314876 910524 9.92 666888 2076840 316 01:30:04 5045700 7322320 443148 5.45 87820 2348996 893192 9.73 649164 2111116 256 01:40:04 5044704 7322156 443312 5.45 88008 2349632 893192 9.73 649292 2111940 276 01:50:04 5045448 7323712 441716 5.43 88192 2350256 893192 9.73 649332 2112744 248 02:00:04 5062616 7342564 422892 5.20 88356 2351744 894484 9.74 642344 2114280 252 02:10:04 5021712 7316884 448356 5.51 88516 2366600 885468 9.64 641492 2129296 188 02:20:04 4995128 7292452 472776 5.81 88708 2368548 917448 9.99 673416 2131420 292 Average: 5341719 7366724 412249 5.07 73822 2122831 857868 9.34 606439 1882302 249 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:04 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 15.74 7.57 38.89 1.89 0.00 0.00 0.00 0.00 00:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:04 ens3 0.68 0.10 0.12 0.06 0.00 0.00 0.00 0.00 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 0.87 0.09 2.55 0.06 0.00 0.00 0.00 0.00 01:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:04 ens3 72.97 52.77 341.96 12.42 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 18.96 15.72 278.80 1.68 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 8.48 7.15 61.26 0.83 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 2.91 2.24 36.91 0.24 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 2.74 1.75 0.38 0.26 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 2.56 1.75 0.35 0.24 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 8.55 7.98 120.16 0.95 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 16.25 15.87 220.80 1.90 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 9.08 8.95 139.77 0.88 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 13.32 10.16 103.48 1.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9121) 09/18/26 _x86_64_ (2 CPU) 00:19:44 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:04 all 0.80 0.00 0.45 0.11 0.01 98.63 00:30:04 0 0.85 0.00 0.42 0.09 0.01 98.63 00:30:04 1 0.74 0.00 0.47 0.14 0.01 98.64 00:40:04 all 0.29 0.00 0.11 0.04 0.01 99.55 00:40:04 0 0.46 0.00 0.08 0.02 0.01 99.44 00:40:04 1 0.12 0.00 0.14 0.06 0.01 99.67 00:50:04 all 0.29 0.00 0.09 0.01 0.01 99.60 00:50:04 0 0.31 0.00 0.09 0.03 0.01 99.58 00:50:04 1 0.27 0.00 0.10 0.00 0.01 99.63 01:00:04 all 12.00 0.00 2.14 0.77 0.01 85.08 01:00:04 0 8.62 0.00 2.11 0.46 0.01 88.81 01:00:04 1 15.39 0.00 2.17 1.08 0.01 81.35 01:10:04 all 1.08 0.00 0.36 0.01 0.02 98.53 01:10:04 0 1.12 0.00 0.35 0.01 0.01 98.51 01:10:04 1 1.04 0.00 0.37 0.01 0.02 98.56 01:20:04 all 0.96 0.00 0.26 0.01 0.02 98.75 01:20:04 0 1.17 0.00 0.26 0.02 0.01 98.54 01:20:04 1 0.76 0.00 0.26 0.00 0.02 98.95 01:30:04 all 1.77 0.00 0.52 0.02 0.02 97.67 01:30:04 0 3.01 0.00 0.72 0.03 0.02 96.23 01:30:04 1 0.71 0.00 0.35 0.02 0.01 98.92 01:40:04 all 0.55 0.00 0.17 0.01 0.01 99.25 01:40:04 0 0.56 0.00 0.12 0.02 0.01 99.29 01:40:04 1 0.53 0.00 0.23 0.01 0.02 99.21 01:50:04 all 0.53 0.00 0.16 0.02 0.01 99.28 01:50:04 0 0.60 0.00 0.11 0.03 0.01 99.26 01:50:04 1 0.46 0.00 0.22 0.01 0.01 99.30 02:00:04 all 0.79 0.00 0.33 0.01 0.01 98.86 02:00:04 0 0.72 0.00 0.25 0.01 0.01 99.01 02:00:04 1 0.86 0.00 0.41 0.02 0.01 98.71 02:10:04 all 1.77 0.00 0.39 0.01 0.01 97.82 02:10:04 0 2.74 0.00 0.53 0.01 0.01 96.71 02:10:04 1 0.82 0.00 0.24 0.02 0.01 98.92 02:10:04 CPU %user %nice %system %iowait %steal %idle 02:20:04 all 0.86 0.00 0.27 0.03 0.01 98.83 02:20:04 0 0.61 0.00 0.17 0.05 0.01 99.17 02:20:04 1 1.11 0.00 0.37 0.02 0.02 98.49 Average: all 1.81 0.00 0.44 0.09 0.01 97.65 Average: 0 1.72 0.00 0.43 0.06 0.01 97.78 Average: 1 1.90 0.00 0.44 0.12 0.01 97.53