---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29887 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 7.9G 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 775 5140 4 2323 7166 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:70:e6:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78756sec preferred_lft 78756sec inet6 fe80::f816:3eff:fe70:e6ff/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-29887) 03/25/26 _x86_64_ (2 CPU) 00:39:52 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:19 7.66 3.13 4.50 0.04 373.02 4849.05 212.88 01:00:19 2.20 0.32 1.85 0.03 39.07 75.07 436.46 01:10:19 1.35 0.00 1.33 0.02 0.00 15.03 1.20 01:20:19 15.60 13.54 2.00 0.05 151.13 43.63 6.49 01:30:09 1.53 0.00 1.52 0.02 0.00 18.13 447.34 01:40:19 1.35 0.00 1.35 0.00 0.00 15.51 0.00 01:50:19 22.18 3.04 16.93 2.21 227.35 3095.42 638.13 02:00:19 1.72 0.01 1.69 0.01 0.77 39.51 0.47 02:10:09 15.13 0.00 1.42 13.70 0.15 22.08 108497.43 02:20:19 1.42 0.00 1.42 0.00 0.00 130.24 389.81 02:30:19 1.57 0.00 1.55 0.01 0.00 36.05 0.44 02:40:19 1.26 0.00 1.25 0.01 0.00 21.39 0.32 Average: 6.07 1.67 3.07 1.32 66.72 707.24 9054.22 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:19 6292876 7543896 276592 3.40 30552 1426332 521372 5.68 448460 1186888 124 01:00:19 6233828 7513552 306192 3.77 30968 1454212 718576 7.83 465704 1204120 168 01:10:19 6238124 7518372 301372 3.71 31168 1454536 718644 7.83 465876 1204644 172 01:20:19 6194328 7531680 279000 3.43 35316 1499156 719732 7.84 467208 1252800 212 01:30:09 6178720 7516640 293904 3.61 35516 1499480 718892 7.83 466696 1253328 172 01:40:19 6178720 7517276 293300 3.61 35684 1499944 719104 7.83 467700 1253832 172 01:50:19 5268904 7436948 325376 4.00 88868 2235068 762380 8.30 559384 1996584 2400 02:00:19 5159924 7331048 431148 5.30 89012 2238120 861836 9.39 624304 1999772 168 02:10:09 5172472 7345564 416624 5.12 89120 2239972 864132 9.41 626832 2001712 168 02:20:19 5100452 7308280 453844 5.58 89268 2274512 884596 9.63 645800 2036400 124 02:30:19 5055668 7269364 492612 6.06 89428 2280144 889140 9.68 649816 2042056 228 02:40:19 5082096 7297908 464100 5.71 89552 2282100 889176 9.68 649952 2044144 196 Average: 5679676 7427544 361172 4.44 61204 1865298 772298 8.41 544811 1623023 359 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:19 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:19 ens3 11.40 5.70 34.45 1.68 0.00 0.00 0.00 0.00 01:00:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.96 0.25 3.09 0.05 0.00 0.00 0.00 0.00 01:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:19 ens3 0.71 0.04 2.20 0.03 0.00 0.00 0.00 0.00 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 0.61 0.10 0.71 0.06 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.41 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 0.51 0.19 0.12 0.61 0.00 0.00 0.00 0.00 01:50:19 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:19 ens3 57.25 39.81 296.30 10.33 0.00 0.00 0.00 0.00 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 25.37 21.60 224.64 2.34 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 9.32 8.37 62.27 0.88 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 7.99 7.16 72.03 0.84 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 17.41 16.25 141.96 1.90 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 19.38 18.36 223.64 1.51 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 12.61 9.81 88.34 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29887) 03/25/26 _x86_64_ (2 CPU) 00:39:52 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:19 all 0.73 0.00 0.38 0.30 0.03 98.56 00:50:19 0 0.78 0.00 0.43 0.46 0.04 98.30 00:50:19 1 0.69 0.00 0.32 0.15 0.03 98.81 01:00:19 all 0.41 0.00 0.19 0.02 0.03 99.34 01:00:19 0 0.30 0.00 0.22 0.03 0.04 99.40 01:00:19 1 0.52 0.00 0.16 0.02 0.03 99.27 01:10:19 all 0.25 0.00 0.08 0.02 0.03 99.62 01:10:19 0 0.06 0.00 0.09 0.03 0.04 99.77 01:10:19 1 0.44 0.00 0.06 0.01 0.02 99.47 01:20:19 all 0.25 0.17 0.14 0.13 0.03 99.28 01:20:19 0 0.25 0.28 0.17 0.19 0.03 99.08 01:20:19 1 0.25 0.06 0.11 0.07 0.03 99.48 01:30:09 all 0.31 0.00 0.18 0.01 0.03 99.47 01:30:09 0 0.15 0.00 0.18 0.02 0.04 99.62 01:30:09 1 0.46 0.00 0.17 0.00 0.03 99.33 01:40:19 all 0.27 0.00 0.09 0.01 0.02 99.61 01:40:19 0 0.20 0.00 0.10 0.01 0.02 99.66 01:40:19 1 0.34 0.00 0.08 0.01 0.02 99.56 01:50:19 all 10.72 0.00 1.68 0.54 0.04 87.03 01:50:19 0 8.96 0.00 1.43 0.55 0.04 89.03 01:50:19 1 12.48 0.00 1.92 0.53 0.04 85.02 02:00:19 all 1.32 0.00 0.41 0.01 0.04 98.23 02:00:19 0 1.16 0.00 0.34 0.01 0.03 98.46 02:00:19 1 1.47 0.00 0.47 0.01 0.04 98.00 02:10:09 all 2.52 0.00 0.39 0.03 0.04 97.02 02:10:09 0 3.68 0.00 0.53 0.00 0.04 95.74 02:10:09 1 1.37 0.00 0.26 0.06 0.04 98.27 02:20:19 all 6.07 0.00 0.71 0.01 0.07 93.13 02:20:19 0 6.64 0.00 0.80 0.02 0.06 92.49 02:20:19 1 5.50 0.00 0.63 0.01 0.08 93.77 02:30:19 all 2.03 0.00 0.38 0.01 0.03 97.55 02:30:19 0 1.95 0.00 0.44 0.01 0.03 97.57 02:30:19 1 2.11 0.00 0.32 0.01 0.04 97.52 02:30:19 CPU %user %nice %system %iowait %steal %idle 02:40:19 all 0.94 0.00 0.26 0.04 0.04 98.71 02:40:19 0 0.95 0.00 0.34 0.02 0.05 98.65 02:40:19 1 0.93 0.00 0.18 0.07 0.03 98.78 Average: all 2.14 0.01 0.41 0.10 0.04 97.31 Average: 0 2.07 0.02 0.42 0.11 0.04 97.33 Average: 1 2.21 0.01 0.39 0.08 0.04 97.28