---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15434 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 808 5064 4 2366 7133 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:e3:76:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 17203sec preferred_lft 17203sec inet6 fe80::f816:3eff:fee3:76b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15434) 05/16/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.66 0.02 1.63 0.02 0.81 19.74 0.20 00:20:01 1.91 0.11 1.76 0.04 3.05 23.80 135.62 00:30:01 1.77 0.00 1.75 0.01 0.00 19.88 0.23 00:40:01 22.31 3.00 17.12 2.20 226.03 3159.19 650.64 00:50:04 1.77 0.00 1.74 0.03 0.00 61.65 1.50 01:00:01 1.90 0.00 1.87 0.04 0.35 105.39 1.67 Average: 5.22 0.52 4.31 0.39 38.37 564.91 131.65 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6115776 7508564 300488 3.69 52480 1536308 564968 6.15 489144 1305884 124 00:20:01 6128716 7488520 320440 3.94 52640 1503112 563628 6.14 488180 1272632 124 00:30:01 6132768 7493056 315916 3.88 52780 1503440 562932 6.13 488000 1273100 356 00:40:01 5180524 7380324 380732 4.68 102224 2252664 679784 7.40 625668 2026516 288 00:50:04 5159164 7371572 389496 4.79 102348 2265176 694064 7.56 631764 2039160 276 01:00:01 5129564 7368184 392800 4.83 102488 2291228 697124 7.59 634560 2065212 1492 Average: 5641085 7435037 349979 4.30 77493 1891988 627083 6.83 559553 1663751 443 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.19 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.23 0.10 0.08 0.04 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 0.49 0.15 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 61.72 42.96 303.25 11.88 0.00 0.00 0.00 0.00 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 40.45 33.35 8.28 4.37 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 42.05 40.93 9.62 5.82 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 24.19 19.59 53.58 3.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15434) 05/16/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.26 0.00 0.10 0.01 0.02 99.61 00:10:00 0 0.22 0.00 0.11 0.01 0.02 99.64 00:10:00 1 0.29 0.00 0.09 0.01 0.02 99.59 00:20:01 all 0.66 0.00 0.21 0.01 0.02 99.09 00:20:01 0 0.47 0.00 0.23 0.02 0.03 99.26 00:20:01 1 0.86 0.00 0.19 0.01 0.02 98.92 00:30:01 all 0.22 0.00 0.17 0.01 0.02 99.58 00:30:01 0 0.22 0.00 0.18 0.01 0.03 99.56 00:30:01 1 0.23 0.00 0.15 0.01 0.02 99.60 00:40:01 all 11.23 0.00 1.62 0.54 0.04 86.56 00:40:01 0 10.60 0.00 1.56 0.25 0.04 87.55 00:40:01 1 11.85 0.00 1.69 0.83 0.05 85.58 00:50:04 all 6.32 0.00 0.51 0.01 0.06 93.10 00:50:04 0 5.25 0.00 0.48 0.02 0.05 94.19 00:50:04 1 7.39 0.00 0.55 0.01 0.06 92.00 01:00:01 all 8.30 0.00 0.65 0.01 0.06 90.98 01:00:01 0 6.93 0.00 0.65 0.01 0.06 92.36 01:00:01 1 9.67 0.00 0.65 0.01 0.06 89.60 Average: all 4.49 0.00 0.54 0.10 0.04 94.83 Average: 0 3.94 0.00 0.53 0.05 0.04 95.43 Average: 1 5.04 0.00 0.55 0.15 0.04 94.22