---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37227 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 767 4799 4 2672 7174 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:38:c1:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78903sec preferred_lft 78903sec inet6 fe80::f816:3eff:fe38:c141/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37227) 07/20/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:23 1.40 0.01 1.36 0.03 0.78 16.84 421.50 00:20:13 14.30 0.12 1.39 12.79 3.69 17.89 111215.90 00:30:01 1.48 0.00 1.47 0.01 0.00 17.45 444.88 00:40:03 24.60 2.85 19.46 2.29 224.81 3451.86 626.82 00:50:23 1.36 0.00 1.35 0.01 0.00 17.14 1.05 01:00:01 1.49 0.00 1.46 0.03 0.00 18.81 1.36 01:10:23 1.56 0.00 1.53 0.03 0.00 242.05 2.61 01:20:23 1.55 0.00 1.52 0.03 0.00 344.11 3.28 01:30:01 1.70 0.00 1.66 0.04 0.00 54.85 2.10 01:40:07 4.91 0.08 3.86 0.97 5.72 865.10 2470.91 Average: 5.42 0.31 3.51 1.60 23.57 506.98 11325.62 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:23 6265084 7540592 279204 3.43 31140 1449620 731708 7.97 455148 1202128 188 00:20:13 6263324 7539500 280096 3.44 31444 1449892 730724 7.96 455352 1202468 228 00:30:01 6264152 7540988 278584 3.43 31628 1450348 730792 7.96 461544 1202980 240 00:40:03 5075636 7293452 472336 5.81 87440 2289604 875020 9.53 637684 2052488 716 00:50:23 5011544 7229812 536056 6.59 87604 2289992 967396 10.54 729504 2053040 128 01:00:01 4842112 7061036 704740 8.67 87748 2290508 1018500 11.09 763580 2053700 124 01:10:23 4753612 7043624 721576 8.87 87976 2360824 1202640 13.10 948160 2124244 136 01:20:23 4682136 7072340 691152 8.50 88132 2459480 1156608 12.60 902756 2222928 140 01:30:01 4630116 7030868 732424 9.01 88276 2469736 1185392 12.91 932108 2233328 120 01:40:07 4962952 7387552 382524 4.70 90120 2498056 797084 8.68 586368 2261980 24020 Average: 5275067 7273976 507869 6.24 71151 2100806 939586 10.23 687220 1860928 2604 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:23 ens3 0.26 0.05 0.06 0.03 0.00 0.00 0.00 0.00 00:20:13 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:13 ens3 0.18 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.38 0.09 0.14 0.06 0.00 0.00 0.00 0.00 00:40:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 76.69 50.94 425.36 12.21 0.00 0.00 0.00 0.00 00:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:23 ens3 30.66 26.75 452.52 1.85 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 83.38 74.75 1205.01 4.92 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 36.14 25.62 354.62 1.72 0.00 0.00 0.00 0.00 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 36.38 26.44 375.91 1.80 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 31.95 21.65 337.78 1.46 0.00 0.00 0.00 0.00 01:40:07 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 37.40 28.04 283.89 26.52 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 33.19 25.29 340.81 5.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37227) 07/20/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:23 all 0.27 0.00 0.10 0.11 0.02 99.50 00:10:23 0 0.06 0.00 0.11 0.13 0.02 99.68 00:10:23 1 0.47 0.00 0.10 0.10 0.02 99.31 00:20:13 all 0.49 0.00 0.21 0.05 0.02 99.22 00:20:13 0 0.66 0.00 0.24 0.10 0.02 98.98 00:20:13 1 0.31 0.00 0.19 0.01 0.03 99.46 00:30:01 all 0.32 0.00 0.16 1.29 0.02 98.20 00:30:01 0 0.14 0.00 0.19 2.57 0.03 97.08 00:30:01 1 0.50 0.00 0.14 0.02 0.02 99.32 00:40:03 all 11.78 0.00 1.70 0.99 0.04 85.48 00:40:03 0 10.56 0.00 1.70 0.76 0.04 86.93 00:40:03 1 13.01 0.00 1.70 1.23 0.04 84.03 00:50:23 all 0.57 0.00 0.26 0.01 0.05 99.11 00:50:23 0 0.56 0.00 0.18 0.00 0.03 99.22 00:50:23 1 0.58 0.00 0.33 0.01 0.07 99.00 01:00:01 all 1.08 0.00 0.60 0.03 0.05 98.24 01:00:01 0 1.35 0.00 0.70 0.02 0.04 97.89 01:00:01 1 0.81 0.00 0.49 0.04 0.06 98.60 01:10:23 all 0.64 0.00 0.25 0.02 0.05 99.03 01:10:23 0 0.59 0.00 0.18 0.03 0.04 99.16 01:10:23 1 0.70 0.00 0.33 0.01 0.06 98.90 01:20:23 all 0.78 0.00 0.21 0.03 0.05 98.92 01:20:23 0 0.82 0.00 0.23 0.06 0.06 98.84 01:20:23 1 0.73 0.00 0.20 0.01 0.05 99.00 01:30:01 all 0.63 0.00 0.33 0.01 0.05 98.98 01:30:01 0 0.64 0.00 0.31 0.01 0.05 98.99 01:30:01 1 0.62 0.00 0.34 0.01 0.06 98.96 01:40:07 all 4.07 0.00 0.54 0.20 0.05 95.13 01:40:07 0 5.89 0.00 0.54 0.29 0.03 93.24 01:40:07 1 2.25 0.00 0.54 0.11 0.07 97.03 Average: all 2.07 0.00 0.44 0.27 0.04 97.18 Average: 0 2.13 0.00 0.44 0.39 0.04 97.01 Average: 1 2.00 0.00 0.43 0.16 0.05 97.36