---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23810 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: 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 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 8.3G 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 766 4765 4 2713 7175 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:e5:bc:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78216sec preferred_lft 78216sec inet6 fe80::f816:3eff:fee5:bc0e/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-23810) 06/05/26 _x86_64_ (2 CPU) 00:39:24 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.79 0.03 1.73 0.02 1.52 28.62 219.24 01:00:03 1.62 0.01 1.60 0.02 0.05 19.46 652.45 01:10:03 13.91 0.00 1.35 12.55 0.15 16.29 109188.41 01:20:03 15.53 13.54 1.93 0.07 151.13 44.05 7.57 01:30:03 2.07 0.25 1.77 0.05 30.97 77.95 433.70 01:40:03 1.32 0.00 1.31 0.02 0.00 16.07 1.21 01:50:03 14.49 1.76 11.71 1.01 117.97 2365.11 991.40 02:00:03 11.40 1.26 8.85 1.30 109.64 1137.04 579.35 02:10:03 1.27 0.00 1.27 0.00 0.00 16.23 0.00 02:20:01 1.21 0.00 1.21 0.00 0.00 15.70 0.00 02:30:03 1.69 0.00 1.66 0.03 0.00 376.97 2.50 02:40:03 1.37 0.00 1.37 0.01 0.00 254.99 1.04 02:50:01 1.24 0.00 1.24 0.00 0.00 16.28 0.00 Average: 5.30 1.30 2.85 1.16 31.66 337.43 8622.84 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6269936 7520904 299704 3.69 30608 1425992 527104 5.74 451240 1187240 244 01:00:03 6269772 7521316 299268 3.68 30828 1426332 527112 5.74 451360 1187800 284 01:10:03 6269016 7521128 299404 3.68 31024 1426700 527292 5.74 451944 1188336 220 01:20:03 6212256 7521496 289944 3.57 35200 1471328 527364 5.74 453308 1236528 312 01:30:03 6170948 7507024 303740 3.73 35620 1497332 722788 7.87 467720 1254192 188 01:40:03 6170444 7507196 303512 3.73 35832 1497792 722924 7.87 468156 1254728 300 01:50:03 5389436 7374208 397728 4.89 74908 2073600 844388 9.20 607932 1852928 232 02:00:03 4925664 7179396 579000 7.12 90608 2315360 989132 10.77 757160 2081520 272 02:10:03 4861556 7115796 642628 7.90 90756 2315744 1089740 11.87 857072 2082044 248 02:20:01 4829024 7083916 674500 8.29 90896 2316244 1123920 12.24 874044 2082696 144 02:30:03 4747472 7121980 635028 7.81 91072 2434496 1095160 11.93 846820 2200992 10516 02:40:03 4606364 7043664 712300 8.76 91240 2496256 1162956 12.67 914684 2262924 208 02:50:01 4452148 6890056 865940 10.65 91372 2496724 1173012 12.78 924984 2263524 180 Average: 5474926 7300622 484823 5.96 63074 1937992 848684 9.24 655879 1702727 1027 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.73 0.22 0.56 0.15 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.52 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 1.19 0.20 0.46 0.18 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 0.66 0.25 0.12 0.72 0.00 0.00 0.00 0.00 01:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.55 0.25 3.17 0.05 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 0.64 0.19 0.25 0.16 0.00 0.00 0.00 0.00 01:50:03 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:03 ens3 40.59 25.31 276.95 6.22 0.00 0.00 0.00 0.00 02:00:03 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:03 ens3 45.86 36.50 446.92 6.27 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 20.43 19.18 320.22 1.27 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 79.32 76.15 1256.11 4.98 0.00 0.00 0.00 0.00 02:30:03 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 40.14 34.78 547.10 2.31 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 41.39 29.93 471.78 2.01 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 16.32 13.12 206.37 1.02 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 22.33 18.16 271.39 1.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23810) 06/05/26 _x86_64_ (2 CPU) 00:39:24 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.34 0.00 0.17 0.04 0.03 99.42 00:50:01 0 0.14 0.00 0.19 0.01 0.03 99.62 00:50:01 1 0.54 0.00 0.16 0.07 0.02 99.21 01:00:03 all 0.27 0.00 0.17 0.01 0.02 99.52 01:00:03 0 0.16 0.00 0.19 0.00 0.03 99.62 01:00:03 1 0.38 0.00 0.15 0.02 0.02 99.42 01:10:03 all 0.29 0.00 0.08 0.04 0.02 99.56 01:10:03 0 0.52 0.00 0.06 0.01 0.02 99.39 01:10:03 1 0.06 0.00 0.11 0.06 0.03 99.74 01:20:03 all 0.24 0.18 0.14 0.14 0.03 99.28 01:20:03 0 0.38 0.21 0.14 0.19 0.02 99.05 01:20:03 1 0.09 0.15 0.13 0.09 0.03 99.51 01:30:03 all 0.37 0.00 0.18 0.02 0.02 99.40 01:30:03 0 0.24 0.00 0.21 0.02 0.03 99.50 01:30:03 1 0.50 0.00 0.14 0.02 0.02 99.31 01:40:03 all 0.27 0.00 0.07 0.01 0.03 99.63 01:40:03 0 0.49 0.00 0.06 0.01 0.02 99.43 01:40:03 1 0.05 0.00 0.08 0.01 0.03 99.82 01:50:03 all 6.15 0.00 0.89 0.46 0.03 92.47 01:50:03 0 6.42 0.00 0.99 0.75 0.03 91.81 01:50:03 1 5.87 0.00 0.78 0.18 0.03 93.14 02:00:03 all 6.23 0.00 1.09 0.30 0.04 92.34 02:00:03 0 5.68 0.00 1.08 0.20 0.04 93.01 02:00:03 1 6.79 0.00 1.10 0.40 0.04 91.66 02:10:03 all 0.56 0.00 0.23 0.01 0.05 99.16 02:10:03 0 0.48 0.00 0.13 0.01 0.04 99.35 02:10:03 1 0.63 0.00 0.33 0.01 0.06 98.97 02:20:01 all 1.04 0.00 0.55 0.01 0.05 98.35 02:20:01 0 1.07 0.00 0.51 0.00 0.04 98.38 02:20:01 1 1.00 0.00 0.59 0.02 0.06 98.33 02:30:03 all 0.89 0.00 0.39 0.13 0.04 98.54 02:30:03 0 1.12 0.00 0.50 0.04 0.04 98.29 02:30:03 1 0.67 0.00 0.28 0.22 0.04 98.79 02:30:03 CPU %user %nice %system %iowait %steal %idle 02:40:03 all 0.79 0.00 0.26 0.03 0.04 98.88 02:40:03 0 0.90 0.00 0.36 0.05 0.05 98.64 02:40:03 1 0.67 0.00 0.16 0.01 0.03 99.12 02:50:01 all 0.58 0.00 0.23 0.05 0.04 99.10 02:50:01 0 0.52 0.00 0.24 0.03 0.04 99.17 02:50:01 1 0.65 0.00 0.22 0.07 0.04 99.02 Average: all 1.39 0.01 0.34 0.10 0.03 98.13 Average: 0 1.39 0.02 0.36 0.10 0.03 98.10 Average: 1 1.38 0.01 0.33 0.09 0.03 98.16