---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16175 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 790 5080 4 2369 7151 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:26:bd:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7481sec preferred_lft 7481sec inet6 fe80::f816:3eff:fe26:bd60/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16175) 05/19/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 1.66 0.01 1.63 0.01 0.80 19.94 0.22 00:20:10 1.91 0.11 1.77 0.03 3.05 25.27 528.60 00:30:01 1.61 0.00 1.59 0.01 0.00 18.00 0.35 00:40:12 22.15 2.96 17.03 2.17 222.15 3098.29 850.53 00:50:12 1.59 0.00 1.57 0.02 0.00 58.15 1.11 01:00:01 1.83 0.00 1.80 0.03 0.35 102.91 1.81 Average: 5.18 0.52 4.27 0.39 38.37 562.47 232.97 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 6099924 7500096 308524 3.79 54060 1542212 553304 6.03 478380 1312684 384 00:20:10 6128928 7491080 317492 3.90 54224 1503944 551068 6.00 476796 1274372 216 00:30:01 6129256 7491848 316716 3.89 54332 1504268 551132 6.00 477012 1274804 244 00:40:12 5184284 7387404 373380 4.59 103516 2254864 650784 7.09 609656 2029464 264 00:50:12 5164660 7380316 380576 4.68 103632 2267336 665336 7.25 615336 2042024 608 01:00:01 5134336 7375388 385284 4.74 103768 2292500 668328 7.28 618372 2067228 1664 Average: 5640231 7437689 346995 4.27 78922 1894187 606659 6.61 545925 1666763 563 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:09 ens3 0.29 0.07 0.09 0.04 0.00 0.00 0.00 0.00 00:20:10 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:10 ens3 0.16 0.06 0.04 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 0.52 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:12 ens3 60.91 44.07 299.58 12.53 0.00 0.00 0.00 0.00 00:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 40.63 35.09 8.17 4.44 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 29.79 29.24 8.92 5.10 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 22.14 18.15 53.67 3.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16175) 05/19/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 0.28 0.00 0.09 0.01 0.03 99.58 00:10:09 0 0.07 0.00 0.13 0.00 0.04 99.76 00:10:09 1 0.50 0.00 0.06 0.01 0.02 99.41 00:20:10 all 0.65 0.00 0.22 0.01 0.03 99.08 00:20:10 0 0.63 0.00 0.21 0.02 0.03 99.11 00:20:10 1 0.67 0.00 0.23 0.01 0.04 99.05 00:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 00:30:01 0 0.11 0.00 0.17 0.01 0.04 99.67 00:30:01 1 0.43 0.00 0.15 0.01 0.03 99.38 00:40:12 all 10.86 0.00 1.62 0.43 0.06 87.03 00:40:12 0 7.87 0.00 1.23 0.43 0.06 90.41 00:40:12 1 13.86 0.00 2.01 0.44 0.06 83.64 00:50:12 all 6.57 0.00 0.49 0.01 0.07 92.85 00:50:12 0 5.54 0.00 0.46 0.01 0.07 93.92 00:50:12 1 7.61 0.00 0.53 0.01 0.07 91.78 01:00:01 all 8.21 0.00 0.60 0.01 0.08 91.10 01:00:01 0 9.10 0.00 0.59 0.01 0.08 90.22 01:00:01 1 7.33 0.00 0.60 0.01 0.08 91.99 Average: all 4.48 0.00 0.53 0.08 0.05 94.86 Average: 0 3.88 0.00 0.47 0.08 0.05 95.52 Average: 1 5.08 0.00 0.60 0.08 0.05 94.19