---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2711 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 8.3G 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 806 4765 4 2670 7135 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:b7:fa:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 16993sec preferred_lft 16993sec inet6 fe80::f816:3eff:feb7:faed/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-2711) 04/15/26 _x86_64_ (2 CPU) 00:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:12 1.60 0.01 1.57 0.01 0.81 18.97 432.45 00:20:01 1.65 0.11 1.51 0.03 3.11 21.34 633.95 00:30:12 1.62 0.00 1.60 0.03 0.00 18.09 425.86 00:40:12 23.23 3.03 17.97 2.22 226.28 3131.27 498.85 00:50:01 1.38 0.00 1.38 0.00 0.00 16.33 0.12 01:00:12 1.62 0.00 1.61 0.02 0.00 19.28 0.22 01:10:12 1.71 0.00 1.69 0.02 0.00 387.07 0.17 01:20:01 1.72 0.00 1.70 0.02 0.00 284.98 0.16 01:30:12 1.79 0.00 1.76 0.03 0.00 20.89 0.37 Average: 4.04 0.35 3.42 0.27 25.57 434.80 220.93 00:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:12 6104216 7492784 316152 3.89 51516 1533316 594504 6.48 487176 1299476 324 00:20:01 6121648 7478188 330664 4.07 51704 1501028 592412 6.45 485988 1267160 180 00:30:12 6125916 7482976 325824 4.01 51880 1501368 592564 6.45 486048 1267668 168 00:40:12 4900416 7085960 675288 8.30 101748 2239276 858388 9.35 777112 2010336 276 00:50:01 4778464 6964332 797008 9.80 101816 2239656 955084 10.40 873128 2010780 292 01:00:12 4925240 7111844 649392 7.99 101928 2240288 939548 10.23 840560 2011400 204 01:10:12 4779812 7078864 681172 8.38 102080 2351540 1000900 10.90 903336 2122796 284 01:20:01 4594432 6973636 785056 9.65 102200 2430464 1081944 11.78 984632 2201848 248 01:30:12 4584448 6964264 794400 9.77 102328 2430940 1087304 11.84 989460 2202452 212 Average: 5212732 7181428 594995 7.32 85244 2051986 855850 9.32 758604 1821546 243 00:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:12 ens3 0.19 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.12 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 0.48 0.13 0.17 0.10 0.00 0.00 0.00 0.00 00:40:12 lo 1.30 1.30 0.11 0.11 0.00 0.00 0.00 0.00 00:40:12 ens3 78.09 59.12 593.24 13.33 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 26.92 23.03 382.96 1.64 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 70.22 68.33 1166.62 4.49 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 29.07 28.28 521.39 1.91 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 27.81 26.38 478.62 1.79 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 16.27 15.65 268.64 1.07 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 27.76 24.64 380.34 2.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2711) 04/15/26 _x86_64_ (2 CPU) 00:00:12 CPU %user %nice %system %iowait %steal %idle 00:10:12 all 0.23 0.00 0.11 0.01 0.03 99.63 00:10:12 0 0.39 0.00 0.09 0.01 0.02 99.49 00:10:12 1 0.06 0.00 0.12 0.01 0.04 99.78 00:20:01 all 0.63 0.00 0.22 0.02 0.03 99.10 00:20:01 0 0.56 0.00 0.25 0.03 0.03 99.14 00:20:01 1 0.70 0.00 0.20 0.01 0.02 99.07 00:30:12 all 0.27 0.00 0.16 0.01 0.03 99.54 00:30:12 0 0.39 0.00 0.14 0.01 0.02 99.44 00:30:12 1 0.14 0.00 0.18 0.01 0.04 99.64 00:40:12 all 11.31 0.00 1.76 0.56 0.05 86.32 00:40:12 0 10.98 0.00 1.65 0.64 0.04 86.68 00:40:12 1 11.64 0.00 1.86 0.48 0.06 85.96 00:50:01 all 0.54 0.00 0.23 0.01 0.04 99.18 00:50:01 0 0.62 0.00 0.37 0.02 0.06 98.94 00:50:01 1 0.46 0.00 0.09 0.01 0.02 99.42 01:00:12 all 1.01 0.00 0.59 0.01 0.05 98.35 01:00:12 0 1.41 0.00 0.88 0.00 0.06 97.65 01:00:12 1 0.61 0.00 0.29 0.02 0.04 99.04 01:10:12 all 0.87 0.00 0.28 0.03 0.04 98.78 01:10:12 0 0.97 0.00 0.33 0.03 0.05 98.61 01:10:12 1 0.76 0.00 0.24 0.02 0.04 98.94 01:20:01 all 0.76 0.00 0.24 0.02 0.04 98.93 01:20:01 0 0.84 0.00 0.23 0.03 0.05 98.85 01:20:01 1 0.69 0.00 0.24 0.02 0.04 99.01 01:30:12 all 0.56 0.00 0.30 0.01 0.04 99.08 01:30:12 0 0.58 0.00 0.35 0.00 0.05 99.02 01:30:12 1 0.55 0.00 0.25 0.02 0.03 99.15 Average: all 1.80 0.00 0.43 0.08 0.04 97.66 Average: 0 1.86 0.00 0.48 0.09 0.04 97.53 Average: 1 1.73 0.00 0.39 0.07 0.03 97.78