---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58760 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 773 5054 4 2408 7168 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:27:30:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79904sec preferred_lft 79904sec inet6 fe80::f816:3eff:fe27:3092/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58760) 09/26/26 _x86_64_ (2 CPU) 00:37:41 LINUX RESTART (2 CPU) 00:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 1.81 0.35 1.45 0.01 44.73 104.58 0.27 01:00:01 27.04 2.88 21.81 2.35 227.22 3562.04 1594.01 01:10:12 2.07 0.01 2.02 0.04 0.67 157.51 3.45 01:20:12 1.42 0.00 1.41 0.00 0.01 23.79 0.05 01:30:01 1.59 0.00 1.57 0.02 0.00 133.57 1.97 01:40:12 1.52 0.00 1.52 0.00 0.00 19.58 0.00 01:50:12 1.28 0.00 1.28 0.00 0.00 16.60 0.00 02:00:01 16.08 0.00 1.61 14.47 0.15 24.70 108479.26 02:10:12 1.25 0.00 1.23 0.01 0.20 48.69 0.10 02:20:12 1.26 0.00 1.25 0.01 0.00 20.35 0.15 Average: 5.46 0.32 3.48 1.66 26.90 404.93 10808.57 00:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 6233708 7520460 299212 3.68 31008 1461928 733344 7.99 460360 1212928 232 01:00:01 5189920 7422860 343060 4.22 87924 2305312 770252 8.39 559804 2067860 29024 01:10:12 5070256 7313800 452124 5.56 88112 2315772 890316 9.70 643372 2078508 516 01:20:12 5068508 7314140 451764 5.56 88240 2317732 890348 9.70 643456 2080468 124 01:30:01 5068388 7348452 417060 5.13 88384 2351864 899776 9.80 652060 2114744 304 01:40:12 5066384 7347248 418256 5.14 88540 2352496 899776 9.80 652464 2115532 160 01:50:12 5068928 7350552 414984 5.10 88664 2353124 899784 9.80 652544 2116284 284 02:00:01 5060116 7343292 422232 5.19 88792 2354524 875192 9.53 619732 2117784 280 02:10:12 4977760 7271852 493528 6.07 88916 2365172 930872 10.14 683648 2128440 232 02:20:12 5009868 7306104 459228 5.65 89068 2367136 897404 9.77 650204 2130544 424 Average: 5181384 7353876 417145 5.13 82765 2254506 868706 9.46 621764 2016309 3158 00:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 1.25 0.28 3.42 0.07 0.00 0.00 0.00 0.00 01:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 79.74 53.72 331.99 11.97 0.00 0.00 0.00 0.00 01:10:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 24.28 20.80 294.87 2.37 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 7.62 6.80 61.26 0.84 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 3.70 2.94 37.75 0.29 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 2.88 1.76 0.38 0.26 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 2.77 1.77 0.43 0.28 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 8.75 8.12 122.35 0.95 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 15.78 15.44 205.92 1.87 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 10.61 9.72 139.88 0.94 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 15.65 12.09 119.84 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58760) 09/26/26 _x86_64_ (2 CPU) 00:37:41 LINUX RESTART (2 CPU) 00:40:12 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 0.41 0.00 0.13 0.03 0.00 99.44 00:50:12 0 0.55 0.00 0.14 0.02 0.00 99.29 00:50:12 1 0.26 0.00 0.12 0.03 0.00 99.59 01:00:01 all 11.60 0.00 2.04 0.63 0.01 85.72 01:00:01 0 13.33 0.00 2.11 0.39 0.01 84.16 01:00:01 1 9.88 0.00 1.98 0.86 0.01 87.27 01:10:12 all 1.30 0.00 0.39 0.01 0.01 98.29 01:10:12 0 1.12 0.00 0.28 0.02 0.01 98.57 01:10:12 1 1.48 0.00 0.50 0.01 0.01 98.00 01:20:12 all 0.78 0.00 0.22 0.02 0.01 98.97 01:20:12 0 0.84 0.00 0.22 0.02 0.01 98.91 01:20:12 1 0.73 0.00 0.23 0.01 0.01 99.03 01:30:01 all 0.63 0.00 0.26 0.01 0.01 99.09 01:30:01 0 0.66 0.00 0.26 0.02 0.02 99.04 01:30:01 1 0.60 0.00 0.26 0.01 0.00 99.13 01:40:12 all 0.50 0.00 0.15 0.01 0.01 99.33 01:40:12 0 0.51 0.00 0.19 0.01 0.01 99.28 01:40:12 1 0.50 0.00 0.11 0.02 0.00 99.37 01:50:12 all 0.51 0.00 0.16 0.01 0.00 99.32 01:50:12 0 0.50 0.00 0.16 0.01 0.01 99.33 01:50:12 1 0.52 0.00 0.16 0.01 0.00 99.31 02:00:01 all 0.80 0.00 0.32 0.04 0.01 98.82 02:00:01 0 0.61 0.00 0.30 0.07 0.01 99.01 02:00:01 1 1.00 0.00 0.35 0.01 0.01 98.63 02:10:12 all 1.69 0.00 0.37 0.01 0.00 97.92 02:10:12 0 1.81 0.00 0.40 0.02 0.00 97.77 02:10:12 1 1.58 0.00 0.34 0.00 0.00 98.07 02:20:12 all 0.82 0.00 0.24 0.02 0.01 98.91 02:20:12 0 0.91 0.00 0.29 0.03 0.01 98.76 02:20:12 1 0.73 0.00 0.19 0.01 0.01 99.06 Average: all 1.90 0.00 0.43 0.08 0.01 97.58 Average: 0 2.09 0.00 0.44 0.06 0.01 97.40 Average: 1 1.72 0.00 0.42 0.10 0.01 97.76