---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53691 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 810 5063 4 2365 7131 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:d0:4c:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83386sec preferred_lft 83386sec inet6 fe80::f816:3eff:fed0:4cd5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53691) 03/28/26 _x86_64_ (2 CPU) 03:01:05 LINUX RESTART (2 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:24 1.45 0.01 1.42 0.02 1.08 112.12 0.80 03:30:44 28.39 13.11 2.21 13.07 146.16 136.79 103391.71 03:40:01 1.28 0.00 1.28 0.00 0.00 24.38 0.00 03:50:14 3.62 0.04 2.94 0.64 1.75 375.21 2137.93 Average: 8.88 3.38 1.98 3.52 38.28 165.07 27114.04 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:24 5226996 7362120 409364 5.03 84020 2215740 707176 7.70 642284 1973244 1524 03:30:44 5113128 7331860 430108 5.29 87416 2287244 684980 7.46 645972 2047512 272 03:40:01 5120024 7341596 420324 5.17 87564 2289892 685060 7.46 645996 2050316 124 03:50:14 5199664 7310240 460428 5.66 88884 2185136 669452 7.29 691948 1946508 22484 Average: 5164953 7336454 430056 5.29 86971 2244503 686667 7.48 656550 2004395 6101 03:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:24 ens3 33.25 33.35 15.97 2.51 0.00 0.00 0.00 0.00 03:30:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:44 ens3 18.46 17.93 18.85 1.52 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 14.29 13.86 3.09 1.10 0.00 0.00 0.00 0.00 03:50:14 lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 03:50:14 ens3 42.03 36.87 25.28 25.30 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 27.31 25.78 16.11 7.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53691) 03/28/26 _x86_64_ (2 CPU) 03:01:05 LINUX RESTART (2 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:24 all 4.66 0.00 0.75 0.07 0.05 94.47 03:20:24 0 4.62 0.00 0.75 0.14 0.05 94.43 03:20:24 1 4.70 0.00 0.74 0.01 0.05 94.50 03:30:44 all 4.69 0.19 0.77 0.20 0.05 94.10 03:30:44 0 1.63 0.34 0.58 0.35 0.05 97.05 03:30:44 1 7.76 0.03 0.96 0.05 0.05 91.15 03:40:01 all 1.42 0.00 0.29 0.01 0.04 98.24 03:40:01 0 1.31 0.00 0.27 0.01 0.04 98.37 03:40:01 1 1.54 0.00 0.30 0.01 0.04 98.11 03:50:14 all 3.78 0.00 0.55 0.09 0.05 95.54 03:50:14 0 5.39 0.00 0.69 0.05 0.06 93.82 03:50:14 1 2.17 0.00 0.41 0.13 0.04 97.26 Average: all 3.70 0.05 0.60 0.09 0.05 95.52 Average: 0 3.28 0.09 0.58 0.14 0.05 95.86 Average: 1 4.11 0.01 0.61 0.05 0.05 95.17