---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6893 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 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 738 5310 4 2181 7203 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:b5:81:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81306sec preferred_lft 81306sec inet6 fe80::f816:3eff:feb5:8113/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6893) 04/23/26 _x86_64_ (2 CPU) 01:48:23 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 14.77 0.34 1.86 12.56 40.46 77.58 109785.75 02:10:17 1.42 0.01 1.39 0.01 1.08 16.79 0.87 02:20:01 1.31 0.00 1.29 0.02 0.01 15.22 1.11 02:30:01 1.50 0.00 1.48 0.03 0.00 17.84 436.69 02:40:17 1.38 0.00 1.36 0.02 0.00 15.97 1.29 02:50:01 1.51 0.00 1.48 0.02 0.00 17.51 224.58 03:00:01 24.80 3.01 19.55 2.23 228.09 3107.29 521.77 03:10:17 1.39 0.00 1.38 0.00 0.00 21.83 0.08 Average: 5.99 0.42 3.72 1.85 33.60 410.12 13807.41 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6246556 7521124 298472 3.67 30764 1449304 729348 7.94 460312 1200348 120 02:10:17 6250616 7526068 293616 3.61 30988 1449952 527176 5.74 454828 1200908 124 02:20:01 6250112 7526092 293584 3.61 31188 1450276 527276 5.74 454928 1201432 260 02:30:01 6262300 7538824 280860 3.45 31388 1450604 527272 5.74 454920 1201960 124 02:40:17 6261604 7538740 280940 3.45 31600 1450996 528904 5.76 456376 1202500 172 02:50:01 6260876 7538692 280908 3.45 31832 1451436 529160 5.76 456556 1203056 240 03:00:01 5268372 7379908 391480 4.81 85140 2190732 642808 7.00 604548 1949964 144 03:10:17 5238920 7352480 418940 5.15 85268 2192628 665536 7.25 619216 1951988 124 Average: 6004920 7490241 317350 3.90 44771 1635741 584685 6.37 495210 1389020 164 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.46 0.26 3.20 0.05 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.39 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.19 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.20 0.07 0.07 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 69.31 45.99 311.88 11.80 0.00 0.00 0.00 0.00 03:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 12.25 10.94 104.60 1.00 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.54 7.20 52.67 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6893) 04/23/26 _x86_64_ (2 CPU) 01:48:23 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.40 0.00 0.21 0.18 0.03 99.19 02:00:01 0 0.40 0.00 0.22 0.27 0.03 99.09 02:00:01 1 0.40 0.00 0.20 0.08 0.03 99.29 02:10:17 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:17 0 0.17 0.00 0.07 0.01 0.02 99.72 02:10:17 1 0.33 0.00 0.08 0.01 0.02 99.56 02:20:01 all 0.21 0.00 0.09 0.02 0.02 99.66 02:20:01 0 0.09 0.00 0.08 0.02 0.02 99.78 02:20:01 1 0.33 0.00 0.09 0.01 0.02 99.55 02:30:01 all 0.28 0.00 0.16 0.08 0.02 99.46 02:30:01 0 0.36 0.00 0.16 0.11 0.02 99.35 02:30:01 1 0.20 0.00 0.17 0.05 0.02 99.56 02:40:17 all 0.24 0.00 0.07 0.01 0.02 99.65 02:40:17 0 0.04 0.00 0.08 0.01 0.02 99.84 02:40:17 1 0.43 0.00 0.07 0.02 0.02 99.46 02:50:01 all 0.28 0.00 0.09 0.01 0.02 99.60 02:50:01 0 0.40 0.00 0.08 0.01 0.01 99.49 02:50:01 1 0.16 0.00 0.10 0.01 0.02 99.72 03:00:01 all 11.58 0.00 1.85 1.13 0.06 85.37 03:00:01 0 12.18 0.00 1.89 1.12 0.06 84.74 03:00:01 1 10.99 0.00 1.81 1.15 0.06 85.99 03:10:17 all 0.90 0.00 0.22 0.05 0.04 98.79 03:10:17 0 0.87 0.00 0.24 0.07 0.05 98.78 03:10:17 1 0.92 0.00 0.20 0.03 0.04 98.81 Average: all 1.76 0.00 0.35 0.19 0.03 97.68 Average: 0 1.81 0.00 0.35 0.20 0.03 97.61 Average: 1 1.72 0.00 0.34 0.17 0.03 97.75