---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10774 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 770 5103 4 2365 7171 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:a0:64:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 56081sec preferred_lft 56081sec inet6 fe80::f816:3eff:fea0:649f/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-10774) 05/05/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 1.76 0.01 1.73 0.01 0.80 20.58 0.22 00:20:01 1.95 0.11 1.81 0.03 3.10 24.84 516.46 00:30:10 1.74 0.00 1.72 0.01 0.00 19.31 0.34 00:40:01 23.38 3.05 18.08 2.25 229.51 3230.97 683.72 00:50:01 1.64 0.00 1.62 0.02 0.00 56.05 1.00 01:00:10 2.02 0.00 1.97 0.04 0.34 104.54 1.85 Average: 5.35 0.52 4.44 0.39 38.29 566.87 197.17 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 6120168 7515440 293492 3.61 53036 1538384 539116 5.87 471184 1308624 368 00:20:01 6153216 7513268 295592 3.63 53224 1502932 536456 5.84 469616 1273144 264 00:30:10 6152592 7513180 295652 3.64 53372 1503308 536456 5.84 469748 1273660 352 00:40:01 5201548 7399880 361228 4.44 102688 2250936 635900 6.93 604160 2025496 448 00:50:01 5182736 7392712 368452 4.53 102848 2262504 657988 7.17 610620 2037200 816 01:00:10 5148924 7384812 376084 4.62 102984 2288240 653552 7.12 614424 2062836 1724 Average: 5659864 7453215 331750 4.08 78025 1891051 593245 6.46 539959 1663493 662 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 0.22 0.05 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 0.17 0.08 0.05 0.02 0.00 0.00 0.00 0.00 00:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:10 ens3 0.50 0.16 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 62.27 47.04 307.70 12.05 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 38.97 32.65 7.81 4.19 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 45.56 44.31 10.06 6.25 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 24.51 20.66 53.43 3.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10774) 05/05/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 0.24 0.00 0.09 0.03 0.02 99.62 00:10:09 0 0.18 0.00 0.09 0.00 0.02 99.69 00:10:09 1 0.30 0.00 0.09 0.05 0.02 99.55 00:20:01 all 0.65 0.00 0.22 0.02 0.02 99.09 00:20:01 0 0.73 0.00 0.20 0.01 0.02 99.03 00:20:01 1 0.57 0.00 0.23 0.04 0.03 99.14 00:30:10 all 0.27 0.00 0.15 0.01 0.02 99.54 00:30:10 0 0.24 0.00 0.15 0.02 0.02 99.57 00:30:10 1 0.30 0.00 0.15 0.01 0.03 99.52 00:40:01 all 11.00 0.00 1.66 1.03 0.05 86.27 00:40:01 0 11.90 0.00 1.79 0.85 0.05 85.40 00:40:01 1 10.09 0.00 1.52 1.21 0.04 87.13 00:50:01 all 5.61 0.00 0.47 0.02 0.07 93.84 00:50:01 0 3.82 0.00 0.40 0.02 0.06 95.70 00:50:01 1 7.41 0.00 0.53 0.02 0.08 91.96 01:00:10 all 8.36 0.00 0.65 0.03 0.07 90.89 01:00:10 0 10.54 0.00 0.70 0.05 0.07 88.65 01:00:10 1 6.19 0.00 0.59 0.02 0.07 93.14 Average: all 4.33 0.00 0.53 0.19 0.04 94.91 Average: 0 4.55 0.00 0.55 0.16 0.04 94.70 Average: 1 4.11 0.00 0.51 0.22 0.04 95.11