---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65009 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: 5600.00 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 7.9G 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 763 5212 4 2262 7178 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:56:b6:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7427sec preferred_lft 7427sec inet6 fe80::f816:3eff:fe56:b644/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65009) 04/02/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.64 0.02 1.61 0.01 0.81 19.53 0.24 00:20:01 1.73 0.11 1.60 0.03 3.05 22.84 160.24 00:30:01 1.84 0.00 1.82 0.02 0.00 21.25 864.87 00:40:01 20.38 2.96 15.49 1.94 222.79 2469.95 439.71 00:50:01 4.34 0.05 3.99 0.30 3.56 677.28 86.44 01:00:01 7.20 0.08 5.40 1.72 6.13 313.47 2583.94 Average: 6.19 0.54 4.98 0.67 39.39 587.38 689.24 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6107332 7505044 303844 3.74 54504 1539424 539132 5.87 474776 1308832 160 00:20:01 6136384 7495932 312872 3.85 54644 1501028 537140 5.85 473416 1270388 128 00:30:01 6129640 7489680 319040 3.92 54780 1501364 537368 5.85 473428 1270852 236 00:40:01 5200468 7381496 380120 4.67 103312 2233648 616288 6.71 612568 2007020 164400 00:50:01 5179600 7366996 394412 4.85 104064 2238992 643320 7.01 606996 2012652 724 01:00:01 5376920 7388824 381856 4.70 106236 2069732 623268 6.79 621228 1843940 28548 Average: 5688391 7437995 348691 4.29 79590 1847365 582753 6.35 543735 1618947 32366 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.23 0.09 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 0.12 0.04 0.04 0.01 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 0.12 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 43.21 29.10 293.46 7.21 0.00 0.00 0.00 0.00 00:50:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 25.05 18.84 29.68 5.18 0.00 0.00 0.00 0.00 01:00:01 lo 1.09 1.09 0.07 0.07 0.00 0.00 0.00 0.00 01:00:01 ens3 17.77 15.12 105.31 4.99 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.48 10.55 71.46 2.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65009) 04/02/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.19 0.00 0.10 0.01 0.03 99.67 00:10:01 0 0.21 0.00 0.10 0.00 0.03 99.66 00:10:01 1 0.18 0.00 0.09 0.02 0.03 99.68 00:20:01 all 0.64 0.00 0.20 0.02 0.03 99.11 00:20:01 0 0.61 0.00 0.22 0.01 0.03 99.13 00:20:01 1 0.68 0.00 0.18 0.03 0.02 99.09 00:30:01 all 0.28 0.00 0.16 0.01 0.03 99.52 00:30:01 0 0.10 0.00 0.16 0.02 0.04 99.69 00:30:01 1 0.47 0.00 0.16 0.01 0.02 99.35 00:40:01 all 9.36 0.00 1.39 0.90 0.04 88.31 00:40:01 0 7.50 0.00 1.14 0.87 0.04 90.45 00:40:01 1 11.22 0.00 1.65 0.94 0.04 86.16 00:50:01 all 2.06 0.00 0.38 0.15 0.06 97.35 00:50:01 0 1.91 0.00 0.36 0.24 0.05 97.44 00:50:01 1 2.20 0.00 0.41 0.05 0.08 97.26 01:00:01 all 4.71 0.00 0.73 0.65 0.06 93.84 01:00:01 0 5.49 0.00 0.82 1.01 0.08 92.61 01:00:01 1 3.94 0.00 0.65 0.29 0.05 95.07 Average: all 2.87 0.00 0.49 0.29 0.04 96.30 Average: 0 2.63 0.00 0.47 0.36 0.04 96.50 Average: 1 3.11 0.00 0.52 0.22 0.04 96.10