---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26971 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 798 5108 4 2335 7143 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:fd:8f:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80603sec preferred_lft 80603sec inet6 fe80::f816:3eff:fefd:8fa1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26971) 06/13/26 _x86_64_ (2 CPU) 00:40:58 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:12 2.06 0.26 1.77 0.03 31.46 75.97 641.63 01:10:22 15.50 13.32 2.12 0.06 148.64 44.90 112.08 01:20:01 1.37 0.00 1.36 0.00 0.01 15.71 0.00 01:30:12 13.95 0.00 1.58 12.36 0.14 18.63 107058.00 01:40:16 1.82 0.40 1.42 0.00 15.74 47.60 0.00 01:50:01 24.66 2.66 19.67 2.34 216.38 3479.03 543.41 02:00:22 1.44 0.00 1.42 0.02 0.00 17.58 0.22 02:10:02 1.30 0.00 1.29 0.00 0.00 16.34 0.08 Average: 7.75 2.10 3.78 1.87 51.28 454.26 13795.81 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:12 6249760 7527720 292308 3.59 30948 1452268 534988 5.83 457924 1205024 188 01:10:22 6197328 7532428 278496 3.42 35116 1496896 535016 5.83 458516 1253212 164 01:20:01 6191564 7527164 283748 3.49 35280 1497220 536692 5.85 463080 1253700 184 01:30:12 6194536 7530740 279964 3.44 35460 1497592 536696 5.85 462816 1254224 168 01:40:16 6157032 7508348 302148 3.72 35764 1512240 556356 6.06 489488 1267652 184 01:50:01 5112328 7377936 379940 4.67 90648 2326688 665220 7.25 621340 2092792 280 02:00:22 5103212 7369308 388508 4.78 90776 2327040 665244 7.25 621588 2093300 192 02:10:02 5096672 7363272 394396 4.85 90928 2327400 720320 7.85 626868 2093808 228 Average: 5787804 7467114 324938 4.00 55615 1804668 593816 6.47 525202 1564214 198 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 1.13 0.23 3.14 0.05 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 0.33 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.75 0.28 0.19 0.67 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:16 ens3 12.11 5.03 20.23 2.78 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 57.38 39.58 307.12 8.72 0.00 0.00 0.00 0.00 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 1.78 0.27 0.23 0.05 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.54 0.14 0.08 0.03 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 9.13 5.59 40.49 1.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26971) 06/13/26 _x86_64_ (2 CPU) 00:40:58 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:12 all 0.35 0.00 0.19 0.02 0.02 99.41 01:00:12 0 0.33 0.00 0.20 0.02 0.02 99.43 01:00:12 1 0.37 0.00 0.19 0.03 0.02 99.40 01:10:22 all 0.27 0.19 0.16 0.17 0.02 99.19 01:10:22 0 0.07 0.38 0.22 0.29 0.02 99.01 01:10:22 1 0.48 0.00 0.09 0.05 0.02 99.36 01:20:01 all 0.33 0.00 0.07 0.01 0.03 99.57 01:20:01 0 0.11 0.00 0.09 0.01 0.03 99.77 01:20:01 1 0.55 0.00 0.05 0.01 0.02 99.36 01:30:12 all 0.27 0.00 0.16 0.03 0.03 99.52 01:30:12 0 0.21 0.00 0.16 0.03 0.02 99.58 01:30:12 1 0.32 0.00 0.15 0.03 0.03 99.46 01:40:16 all 0.49 0.00 0.10 0.04 0.03 99.34 01:40:16 0 0.33 0.00 0.11 0.00 0.03 99.53 01:40:16 1 0.65 0.00 0.09 0.08 0.02 99.15 01:50:01 all 11.90 0.00 1.76 0.82 0.07 85.45 01:50:01 0 14.31 0.00 1.97 1.15 0.05 82.51 01:50:01 1 9.49 0.00 1.55 0.48 0.09 88.40 02:00:22 all 0.40 0.00 0.20 0.01 0.07 99.32 02:00:22 0 0.42 0.00 0.20 0.02 0.06 99.30 02:00:22 1 0.39 0.00 0.20 0.01 0.07 99.33 02:10:02 all 0.40 0.00 0.13 0.01 0.07 99.39 02:10:02 0 0.46 0.00 0.07 0.01 0.04 99.41 02:10:02 1 0.34 0.00 0.18 0.02 0.10 99.36 Average: all 1.77 0.02 0.34 0.14 0.04 97.69 Average: 0 1.99 0.05 0.37 0.19 0.04 97.37 Average: 1 1.54 0.00 0.31 0.09 0.05 98.01