---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15917 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 8.1G 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 777 5070 4 2390 7164 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:d2:fa:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82768sec preferred_lft 82768sec inet6 fe80::f816:3eff:fed2:fa33/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15917) 05/17/26 _x86_64_ (2 CPU) 00:16:47 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:11 1.45 0.02 1.40 0.02 1.22 17.39 429.61 00:40:33 21.85 3.15 16.55 2.16 248.13 3108.66 1020.32 00:50:01 1.28 0.01 1.26 0.02 1.11 23.63 0.94 01:00:11 1.43 0.00 1.42 0.01 0.00 25.57 0.22 01:10:11 1.23 0.00 1.23 0.00 0.00 16.84 0.00 Average: 5.59 0.66 4.47 0.46 51.76 659.28 298.25 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:11 6297792 7549084 271700 3.34 30628 1426280 527908 5.75 447324 1187196 180 00:40:33 5254104 7373656 398488 4.90 84260 2199484 797540 8.69 592360 1960180 144 00:50:01 5258248 7380780 391476 4.81 84400 2202356 611608 6.66 594128 1962884 160 01:00:11 5260264 7385628 386560 4.75 84544 2205020 614944 6.70 597596 1965692 192 01:10:11 5260516 7386832 385424 4.74 84672 2205844 614944 6.70 597608 1966644 244 Average: 5466185 7415196 366730 4.51 73701 2047797 633389 6.90 565803 1808519 184 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 1.12 0.09 0.16 0.05 0.00 0.00 0.00 0.00 00:40:33 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 00:40:33 ens3 45.09 27.94 291.43 7.38 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 1.12 0.21 0.18 0.09 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.69 0.33 0.14 0.09 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.77 0.33 0.16 0.10 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 10.05 5.97 60.39 1.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15917) 05/17/26 _x86_64_ (2 CPU) 00:16:47 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:11 all 0.26 0.00 0.16 0.01 0.03 99.54 00:30:11 0 0.09 0.00 0.18 0.01 0.03 99.68 00:30:11 1 0.43 0.00 0.13 0.01 0.02 99.40 00:40:33 all 10.30 0.00 1.55 0.48 0.05 87.61 00:40:33 0 11.05 0.00 1.63 0.57 0.06 86.68 00:40:33 1 9.55 0.00 1.46 0.39 0.05 88.55 00:50:01 all 1.17 0.00 0.13 0.01 0.06 98.63 00:50:01 0 0.77 0.00 0.12 0.01 0.05 99.05 00:50:01 1 1.57 0.00 0.14 0.01 0.06 98.22 01:00:11 all 1.23 0.00 0.21 0.01 0.06 98.49 01:00:11 0 0.96 0.00 0.21 0.02 0.05 98.76 01:00:11 1 1.50 0.00 0.21 0.01 0.06 98.22 01:10:11 all 0.85 0.00 0.12 0.01 0.06 98.96 01:10:11 0 0.74 0.00 0.11 0.01 0.05 99.09 01:10:11 1 0.96 0.00 0.13 0.01 0.07 98.83 Average: all 2.82 0.00 0.44 0.11 0.05 96.57 Average: 0 2.79 0.00 0.46 0.13 0.05 96.57 Average: 1 2.86 0.00 0.43 0.09 0.05 96.58