---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66175 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 762 5105 4 2371 7179 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:f2:ae:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7246sec preferred_lft 7246sec inet6 fe80::f816:3eff:fef2:ae5a/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-66175) 04/04/26 _x86_64_ (2 CPU) 00:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:18 1.72 0.02 1.67 0.03 0.83 21.10 221.79 00:20:28 1.76 0.10 1.63 0.02 3.00 23.19 829.38 00:30:08 1.76 0.00 1.74 0.02 0.00 19.38 224.62 00:40:28 21.95 2.93 16.84 2.18 218.98 3036.29 859.70 00:50:18 1.58 0.00 1.57 0.01 0.00 56.41 0.08 01:00:28 1.72 0.00 1.70 0.02 0.34 104.92 0.50 Average: 5.19 0.53 4.28 0.39 38.42 560.46 361.23 00:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:18 6123804 7536448 272268 3.35 57632 1550820 556392 6.06 475072 1315896 132 00:20:28 6145124 7519568 289080 3.55 57740 1512452 553716 6.03 473492 1277420 132 00:30:08 6146676 7521656 286944 3.53 57848 1512872 553716 6.03 473680 1277820 144 00:40:28 5197084 7398764 362228 4.45 106492 2250400 709888 7.73 616452 2018864 144 00:50:18 5185800 7399428 361728 4.45 106612 2262340 676408 7.37 616048 2030936 764 01:00:28 5148776 7389580 371392 4.57 106748 2289312 672120 7.32 620396 2057924 1912 Average: 5657877 7460907 323940 3.98 82179 1896366 620373 6.76 545857 1663143 538 00:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:18 ens3 0.23 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:28 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:28 ens3 0.20 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 0.52 0.13 0.17 0.10 0.00 0.00 0.00 0.00 00:40:28 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:28 ens3 58.22 37.93 289.14 11.13 0.00 0.00 0.00 0.00 00:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 39.31 32.16 8.02 4.27 0.00 0.00 0.00 0.00 01:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:28 ens3 41.74 40.65 9.68 5.98 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 23.70 18.74 52.80 3.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66175) 04/04/26 _x86_64_ (2 CPU) 00:00:28 CPU %user %nice %system %iowait %steal %idle 00:10:18 all 0.24 0.00 0.10 0.03 0.03 99.60 00:10:18 0 0.37 0.00 0.08 0.04 0.02 99.48 00:10:18 1 0.11 0.00 0.11 0.02 0.03 99.72 00:20:28 all 0.62 0.00 0.21 0.01 0.03 99.13 00:20:28 0 0.51 0.00 0.20 0.01 0.03 99.25 00:20:28 1 0.73 0.00 0.22 0.01 0.03 99.01 00:30:08 all 0.25 0.00 0.15 0.01 0.03 99.56 00:30:08 0 0.16 0.00 0.16 0.01 0.03 99.64 00:30:08 1 0.34 0.00 0.14 0.01 0.03 99.49 00:40:28 all 10.59 0.00 1.59 0.49 0.05 87.27 00:40:28 0 11.26 0.00 1.48 0.38 0.05 86.84 00:40:28 1 9.93 0.00 1.70 0.61 0.06 87.71 00:50:18 all 6.33 0.00 0.47 0.01 0.06 93.13 00:50:18 0 5.52 0.00 0.39 0.02 0.07 94.00 00:50:18 1 7.15 0.00 0.55 0.01 0.05 92.25 01:00:28 all 8.25 0.00 0.62 0.01 0.06 91.06 01:00:28 0 7.38 0.00 0.62 0.01 0.06 91.92 01:00:28 1 9.12 0.00 0.61 0.01 0.07 90.19 Average: all 4.44 0.00 0.53 0.10 0.04 94.89 Average: 0 4.26 0.00 0.50 0.08 0.04 95.12 Average: 1 4.62 0.00 0.56 0.12 0.04 94.66