---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15677 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 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 799 5091 4 2348 7142 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:e0:b3:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78769sec preferred_lft 78769sec inet6 fe80::f816:3eff:fee0:b344/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15677) 05/16/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.50 0.03 1.47 0.01 1.27 17.57 447.90 02:10:17 1.25 0.01 1.23 0.01 0.05 14.79 0.94 02:20:17 13.82 0.01 1.26 12.55 0.16 14.88 109182.35 02:30:02 1.32 0.00 1.30 0.02 0.00 16.07 448.60 02:40:17 1.26 0.00 1.24 0.02 0.00 15.40 1.29 02:50:06 2.33 0.67 1.63 0.03 48.67 108.42 1.45 03:00:01 22.12 2.65 17.23 2.24 214.33 3154.28 653.91 03:10:17 1.51 0.00 1.50 0.01 0.00 24.15 0.10 03:20:17 1.55 0.00 1.54 0.01 0.00 20.71 0.13 03:30:01 16.25 13.90 2.25 0.10 154.76 176.08 416.95 03:40:17 1.40 0.00 1.36 0.03 0.19 64.04 4.99 03:50:17 1.36 0.00 1.33 0.03 0.00 21.76 3.23 Average: 5.42 1.40 2.76 1.25 34.37 301.19 9259.97 01:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6283048 7529696 290692 3.57 30528 1421988 529568 5.77 445324 1183248 156 02:10:17 6283048 7530232 290212 3.57 30728 1422320 529636 5.77 445392 1183780 188 02:20:17 6282352 7530108 290320 3.57 30928 1422688 529776 5.77 445476 1184320 132 02:30:02 6285456 7533728 286656 3.52 31104 1423016 529828 5.77 445860 1184824 280 02:40:17 6284952 7533776 286596 3.52 31316 1423352 529796 5.77 446344 1185368 152 02:50:06 6230356 7520892 298688 3.67 31844 1464116 549040 5.98 481868 1215936 280 03:00:01 5273368 7392852 378456 4.65 84960 2198700 630500 6.87 596468 1959576 332 03:10:17 5227220 7348872 422352 5.19 85112 2200692 710816 7.74 618548 1961744 232 03:20:17 5235100 7357916 413440 5.08 85260 2201708 659500 7.18 616804 1962912 204 03:30:01 5101672 7317660 444576 5.47 88640 2283148 681276 7.42 638248 2046996 212 03:40:17 5090868 7321932 440096 5.41 88872 2297792 678944 7.40 636040 2061872 124 03:50:17 5067176 7300352 461664 5.68 89028 2299732 695992 7.58 653012 2063952 236 Average: 5720385 7434835 358646 4.41 59027 1838271 604556 6.58 539115 1599544 211 01:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.19 0.07 0.12 0.04 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.44 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.60 0.03 5.71 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.38 0.08 0.23 0.04 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.40 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:50:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 11.53 5.23 23.71 3.15 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 66.30 48.82 398.62 9.80 0.00 0.00 0.00 0.00 03:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 16.43 14.95 163.69 1.26 0.00 0.00 0.00 0.00 03:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:17 ens3 3.53 2.80 5.09 0.47 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 17.81 16.71 190.64 1.78 0.00 0.00 0.00 0.00 03:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:17 ens3 13.78 12.18 117.80 1.55 0.00 0.00 0.00 0.00 03:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:17 ens3 13.50 13.06 140.11 1.17 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 12.12 9.48 87.02 1.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15677) 05/16/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:17 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.16 0.01 0.04 99.46 02:00:01 0 0.15 0.00 0.16 0.02 0.05 99.61 02:00:01 1 0.48 0.00 0.16 0.01 0.03 99.31 02:10:17 all 0.24 0.00 0.07 0.01 0.04 99.63 02:10:17 0 0.42 0.00 0.06 0.00 0.04 99.47 02:10:17 1 0.06 0.00 0.08 0.02 0.05 99.79 02:20:17 all 0.24 0.00 0.09 0.03 0.04 99.60 02:20:17 0 0.43 0.00 0.06 0.01 0.04 99.47 02:20:17 1 0.04 0.00 0.13 0.06 0.05 99.72 02:30:02 all 0.26 0.00 0.16 0.01 0.04 99.53 02:30:02 0 0.28 0.00 0.15 0.01 0.05 99.52 02:30:02 1 0.24 0.00 0.17 0.01 0.03 99.54 02:40:17 all 0.21 0.00 0.08 0.01 0.04 99.67 02:40:17 0 0.29 0.00 0.07 0.01 0.03 99.59 02:40:17 1 0.13 0.00 0.08 0.01 0.05 99.74 02:50:06 all 0.59 0.00 0.12 0.03 0.04 99.22 02:50:06 0 0.51 0.00 0.09 0.05 0.03 99.33 02:50:06 1 0.67 0.00 0.16 0.02 0.05 99.11 03:00:01 all 10.88 0.00 1.80 0.53 0.08 86.72 03:00:01 0 11.12 0.00 1.87 0.60 0.09 86.32 03:00:01 1 10.64 0.00 1.73 0.46 0.06 87.11 03:10:17 all 0.92 0.00 0.24 0.01 0.07 98.77 03:10:17 0 0.95 0.00 0.22 0.01 0.07 98.75 03:10:17 1 0.88 0.00 0.25 0.00 0.07 98.79 03:20:17 all 6.99 0.00 0.60 0.01 0.08 92.31 03:20:17 0 8.64 0.00 0.68 0.01 0.08 90.59 03:20:17 1 5.37 0.00 0.52 0.01 0.09 94.01 03:30:01 all 1.69 0.17 0.46 0.14 0.08 97.47 03:30:01 0 1.17 0.01 0.36 0.01 0.07 98.38 03:30:01 1 2.21 0.33 0.56 0.26 0.08 96.56 03:40:17 all 2.81 0.00 0.47 0.01 0.09 96.62 03:40:17 0 2.27 0.00 0.36 0.02 0.07 97.27 03:40:17 1 3.34 0.00 0.57 0.00 0.11 95.97 03:40:17 CPU %user %nice %system %iowait %steal %idle 03:50:17 all 0.90 0.00 0.21 0.01 0.08 98.80 03:50:17 0 0.85 0.00 0.24 0.01 0.09 98.81 03:50:17 1 0.95 0.00 0.18 0.01 0.07 98.79 Average: all 2.15 0.01 0.37 0.07 0.06 97.34 Average: 0 2.23 0.00 0.36 0.06 0.06 97.29 Average: 1 2.07 0.03 0.38 0.07 0.06 97.39