---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53034 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 21% / 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 783 5099 4 2357 7158 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:27:af:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7210sec preferred_lft 7210sec inet6 fe80::f816:3eff:fe27:af8a/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-53034) 03/27/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:17 1.88 0.01 1.85 0.01 0.79 21.79 0.22 00:20:01 1.87 0.11 1.73 0.03 3.14 24.44 149.96 00:30:01 1.75 0.00 1.73 0.01 0.00 19.21 0.25 00:40:17 22.86 2.94 17.77 2.16 220.30 3033.83 484.32 00:50:01 1.77 0.00 1.74 0.02 0.00 61.22 1.07 01:00:01 1.84 0.00 1.80 0.04 0.35 100.08 1.63 Average: 5.42 0.52 4.51 0.39 38.41 556.85 107.75 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:17 6126900 7524896 283800 3.49 54452 1539672 553772 6.03 473588 1308804 160 00:20:01 6125240 7485012 323576 3.98 54592 1501236 551952 6.01 472344 1270292 124 00:30:01 6129224 7489592 318912 3.92 54716 1501692 551952 6.01 472600 1270744 120 00:40:17 5205016 7391564 369380 4.54 103852 2238360 706412 7.69 607408 2011428 344 00:50:01 5190916 7389708 371292 4.57 103948 2250524 674524 7.35 608756 2023692 276 01:00:01 5155656 7379672 381288 4.69 104072 2275592 669880 7.30 611600 2048752 1708 Average: 5655492 7443407 341375 4.20 79272 1884513 618082 6.73 541049 1655619 455 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:17 ens3 0.25 0.08 0.08 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.14 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 0.53 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:17 lo 1.29 1.29 0.10 0.10 0.00 0.00 0.00 0.00 00:40:17 ens3 60.75 40.49 290.60 11.11 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 38.94 32.48 8.12 4.16 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 37.90 36.83 9.55 5.78 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 23.19 18.39 52.70 3.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53034) 03/27/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:17 all 0.21 0.00 0.09 0.03 0.03 99.64 00:10:17 0 0.38 0.00 0.09 0.04 0.03 99.46 00:10:17 1 0.03 0.00 0.09 0.02 0.04 99.83 00:20:01 all 0.64 0.00 0.20 0.01 0.03 99.12 00:20:01 0 0.38 0.00 0.20 0.01 0.04 99.37 00:20:01 1 0.90 0.00 0.20 0.02 0.02 98.87 00:30:01 all 0.21 0.00 0.14 0.01 0.03 99.61 00:30:01 0 0.05 0.00 0.14 0.01 0.04 99.76 00:30:01 1 0.38 0.00 0.14 0.01 0.03 99.45 00:40:17 all 10.66 0.00 1.58 0.54 0.06 87.15 00:40:17 0 7.04 0.00 1.19 0.28 0.05 91.44 00:40:17 1 14.28 0.00 1.98 0.81 0.06 82.86 00:50:01 all 6.93 0.00 0.45 0.01 0.08 92.52 00:50:01 0 4.54 0.00 0.36 0.01 0.08 95.00 00:50:01 1 9.31 0.00 0.55 0.01 0.08 90.05 01:00:01 all 8.71 0.00 0.64 0.01 0.07 90.56 01:00:01 0 13.11 0.00 0.77 0.01 0.08 86.04 01:00:01 1 4.32 0.00 0.52 0.02 0.06 95.07 Average: all 4.57 0.00 0.52 0.11 0.05 94.75 Average: 0 4.25 0.00 0.46 0.06 0.05 95.17 Average: 1 4.89 0.00 0.58 0.15 0.05 94.33