---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12858 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 8.0G 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 771 5170 4 2289 7170 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:9e:81:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78217sec preferred_lft 78217sec inet6 fe80::f816:3eff:fe9e:81e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12858) 05/12/26 _x86_64_ (2 CPU) 02:19:28 LINUX RESTART (2 CPU) 02:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 1.98 0.04 1.91 0.03 1.55 31.28 872.60 02:40:01 1.79 0.26 1.52 0.01 31.03 66.36 0.29 02:50:01 1.48 0.00 1.48 0.00 0.00 23.85 0.00 03:00:01 1.42 0.00 1.40 0.03 0.00 17.73 655.06 03:10:01 1.15 0.00 1.13 0.02 0.00 14.31 1.20 03:20:01 1.25 0.03 1.21 0.02 2.16 14.97 1.13 03:30:01 1.50 0.00 1.49 0.01 0.00 18.92 653.75 03:40:01 22.51 3.02 17.27 2.22 226.63 3172.44 602.96 03:50:01 14.83 0.00 1.39 13.44 0.15 22.47 106754.05 04:00:01 1.56 0.00 1.54 0.02 0.00 22.87 0.25 04:10:01 1.41 0.00 1.39 0.02 0.00 137.18 399.02 04:20:01 1.41 0.01 1.37 0.03 0.20 66.60 4.43 04:30:01 1.59 0.00 1.55 0.05 0.00 26.04 4.11 Average: 4.14 0.26 2.66 1.22 20.13 279.62 8457.94 02:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6279472 7530104 290140 3.57 30592 1425856 527364 5.74 442544 1187188 124 02:40:01 6097656 7374932 444848 5.47 30952 1451804 721840 7.86 593692 1204732 2556 02:50:01 6232720 7510496 309304 3.80 31120 1452132 721976 7.86 457176 1205228 180 03:00:01 6240908 7519268 300384 3.69 31340 1452452 722088 7.86 456716 1205768 168 03:10:01 6250152 7529056 290608 3.57 31544 1452788 722152 7.87 456728 1206304 248 03:20:01 6234044 7514260 305384 3.76 31752 1453880 722152 7.87 457684 1206920 248 03:30:01 6236148 7516896 302676 3.72 31924 1454208 722216 7.87 458128 1207420 132 03:40:01 5260692 7383732 387404 4.76 85424 2201688 831016 9.05 599380 1963284 160 03:50:01 5242464 7367648 403440 4.96 85560 2203688 839808 9.15 599780 1965392 160 04:00:01 5233296 7359920 411044 5.05 85728 2204968 858408 9.35 618676 1966840 140 04:10:01 5199332 7363048 407848 5.02 85916 2241792 848200 9.24 606916 2003720 836 04:20:01 5104848 7283608 487068 5.99 86100 2256436 928808 10.12 687596 2018552 460 04:30:01 5130696 7311420 459196 5.65 86292 2258168 895332 9.75 653984 2020476 212 Average: 5749418 7428030 369180 4.54 56480 1808451 773951 8.43 545308 1566294 433 02:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.61 0.19 0.38 0.11 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.75 0.25 3.17 0.05 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 0.45 0.04 2.23 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.50 0.07 0.73 0.05 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.18 0.05 0.05 0.02 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.45 0.25 0.13 0.60 0.00 0.00 0.00 0.00 03:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:40:01 ens3 75.19 52.55 414.56 12.31 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 16.14 13.96 140.25 1.20 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 6.21 5.51 33.17 0.68 0.00 0.00 0.00 0.00 04:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:01 ens3 18.13 16.61 185.37 1.73 0.00 0.00 0.00 0.00 04:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:01 ens3 13.15 12.25 120.77 1.51 0.00 0.00 0.00 0.00 04:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:01 ens3 13.96 12.84 140.07 1.12 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 11.30 8.81 80.07 1.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12858) 05/12/26 _x86_64_ (2 CPU) 02:19:28 LINUX RESTART (2 CPU) 02:20:01 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.33 0.00 0.30 0.02 0.02 99.33 02:30:01 0 0.50 0.00 0.29 0.02 0.02 99.17 02:30:01 1 0.16 0.00 0.31 0.01 0.02 99.50 02:40:01 all 0.41 0.00 0.11 0.02 0.02 99.44 02:40:01 0 0.10 0.00 0.10 0.01 0.03 99.77 02:40:01 1 0.73 0.00 0.11 0.03 0.02 99.10 02:50:01 all 0.26 0.00 0.08 0.01 0.03 99.62 02:50:01 0 0.17 0.00 0.09 0.00 0.04 99.70 02:50:01 1 0.36 0.00 0.07 0.02 0.03 99.53 03:00:01 all 0.29 0.00 0.17 0.01 0.04 99.50 03:00:01 0 0.28 0.00 0.16 0.01 0.04 99.52 03:00:01 1 0.29 0.00 0.19 0.01 0.04 99.47 03:10:01 all 0.26 0.00 0.08 0.01 0.02 99.63 03:10:01 0 0.46 0.00 0.08 0.00 0.02 99.44 03:10:01 1 0.06 0.00 0.09 0.02 0.03 99.81 03:20:01 all 0.28 0.00 0.10 0.02 0.04 99.57 03:20:01 0 0.30 0.00 0.09 0.02 0.04 99.55 03:20:01 1 0.26 0.00 0.11 0.02 0.04 99.59 03:30:01 all 0.32 0.00 0.18 0.02 0.03 99.45 03:30:01 0 0.23 0.00 0.20 0.03 0.03 99.52 03:30:01 1 0.42 0.00 0.16 0.02 0.03 99.37 03:40:01 all 11.86 0.00 1.78 2.15 0.08 84.13 03:40:01 0 9.98 0.00 1.64 2.33 0.09 85.97 03:40:01 1 13.74 0.00 1.91 1.96 0.08 82.29 03:50:01 all 0.92 0.00 0.23 0.03 0.05 98.77 03:50:01 0 1.20 0.00 0.31 0.01 0.07 98.42 03:50:01 1 0.64 0.00 0.15 0.06 0.04 99.11 04:00:01 all 5.83 0.00 0.69 0.02 0.07 93.39 04:00:01 0 2.48 0.00 0.41 0.02 0.07 97.03 04:00:01 1 9.32 0.00 0.99 0.01 0.08 89.60 04:10:01 all 2.16 0.00 0.32 0.01 0.06 97.46 04:10:01 0 2.50 0.00 0.33 0.01 0.06 97.10 04:10:01 1 1.82 0.00 0.30 0.02 0.05 97.81 04:10:01 CPU %user %nice %system %iowait %steal %idle 04:20:01 all 2.88 0.00 0.47 0.01 0.06 96.58 04:20:01 0 3.38 0.00 0.47 0.01 0.05 96.09 04:20:01 1 2.38 0.00 0.47 0.01 0.07 97.07 04:30:01 all 0.84 0.00 0.30 0.01 0.07 98.77 04:30:01 0 0.77 0.00 0.22 0.02 0.05 98.94 04:30:01 1 0.91 0.00 0.38 0.00 0.09 98.61 Average: all 2.04 0.00 0.37 0.18 0.05 97.37 Average: 0 1.72 0.00 0.34 0.19 0.05 97.71 Average: 1 2.36 0.00 0.40 0.17 0.05 97.02