---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12415 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 8.2G 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 752 4967 4 2514 7189 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:0e:a8:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82072sec preferred_lft 82072sec inet6 fe80::f816:3eff:fe0e:a8ec/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-12415) 05/10/26 _x86_64_ (2 CPU) 00:16:57 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:07 19.07 2.99 14.24 1.84 224.70 2370.20 884.54 00:40:07 4.57 0.20 3.98 0.39 7.29 798.77 275.59 00:50:01 1.88 0.26 1.59 0.03 32.37 75.48 1.47 01:00:07 15.05 0.00 1.73 13.31 0.15 181.99 105665.47 01:10:07 1.37 0.00 1.35 0.02 0.00 317.92 3.63 01:20:01 1.32 0.00 1.31 0.02 0.00 64.73 3.18 Average: 7.26 0.58 4.05 2.63 44.38 638.69 17992.85 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:07 5320412 7403888 367708 4.52 82900 2164804 605116 6.59 564400 1933888 187468 00:40:07 5089904 7179028 592796 7.29 84744 2168928 821612 8.95 765264 1939316 212 00:50:01 5034808 7150708 621024 7.64 85032 2195316 752628 8.20 688936 1956916 192 01:00:07 5073656 7239548 531632 6.54 85224 2244644 790576 8.61 727240 2006404 216 01:10:07 4815384 7088412 680940 8.37 85404 2350132 958120 10.44 894600 2112068 14600 01:20:01 4813156 7086936 682412 8.39 85572 2350704 936232 10.20 873492 2112684 332 Average: 5024553 7191420 579419 7.12 84813 2245755 810714 8.83 752322 2010213 33837 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:07 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:30:07 ens3 43.00 26.04 294.98 6.93 0.00 0.00 0.00 0.00 00:40:07 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:40:07 ens3 55.82 44.74 503.20 6.27 0.00 0.00 0.00 0.00 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 44.94 42.01 700.43 2.82 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 61.85 57.52 991.71 3.79 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 25.74 23.48 417.61 1.59 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 18.07 16.23 288.83 1.12 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 41.64 35.05 533.33 3.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12415) 05/10/26 _x86_64_ (2 CPU) 00:16:57 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:07 all 9.01 0.00 1.46 0.47 0.05 89.00 00:30:07 0 7.15 0.00 1.30 0.48 0.04 91.03 00:30:07 1 10.87 0.00 1.63 0.47 0.05 86.98 00:40:07 all 2.16 0.00 0.50 0.06 0.06 97.22 00:40:07 0 2.54 0.00 0.56 0.10 0.06 96.75 00:40:07 1 1.79 0.00 0.45 0.01 0.07 97.68 00:50:01 all 0.85 0.00 0.34 0.02 0.07 98.72 00:50:01 0 0.59 0.00 0.12 0.01 0.04 99.23 00:50:01 1 1.11 0.00 0.56 0.02 0.10 98.21 01:00:07 all 0.96 0.00 0.58 0.03 0.07 98.36 01:00:07 0 0.68 0.00 0.39 0.02 0.06 98.85 01:00:07 1 1.24 0.00 0.77 0.05 0.07 97.86 01:10:07 all 0.75 0.00 0.19 0.01 0.07 98.97 01:10:07 0 0.65 0.00 0.17 0.02 0.07 99.09 01:10:07 1 0.84 0.00 0.22 0.01 0.08 98.85 01:20:01 all 0.55 0.00 0.22 0.01 0.07 99.14 01:20:01 0 0.46 0.00 0.28 0.02 0.10 99.14 01:20:01 1 0.64 0.00 0.16 0.01 0.04 99.15 Average: all 2.40 0.00 0.55 0.10 0.07 96.88 Average: 0 2.02 0.00 0.47 0.11 0.06 97.34 Average: 1 2.77 0.00 0.63 0.10 0.07 96.43