---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60954 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 776 5037 4 2422 7165 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:02:ef:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80345sec preferred_lft 80345sec inet6 fe80::f816:3eff:fe02:ef01/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60954) 10/01/26 _x86_64_ (2 CPU) 00:45:16 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 36.96 2.80 18.33 15.82 220.75 2869.87 106775.25 01:10:38 3.50 0.02 3.39 0.09 1.08 668.73 1.70 01:20:38 1.23 0.00 1.22 0.00 0.01 20.77 0.05 01:30:20 1.59 0.00 1.57 0.02 0.00 135.29 1.44 01:40:38 1.97 0.31 1.64 0.01 41.85 105.04 0.17 01:50:10 1.33 0.00 1.33 0.00 0.00 16.98 0.00 02:00:38 1.51 0.00 1.49 0.02 0.00 22.64 378.70 02:10:20 1.40 0.01 1.38 0.02 0.21 65.79 815.07 02:20:30 1.36 0.00 1.33 0.02 0.00 22.15 0.29 Average: 5.70 0.35 3.55 1.80 29.71 442.40 12126.41 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 5212192 7413732 353036 4.34 87092 2275112 595988 6.49 573728 2046612 189996 01:10:38 5143964 7354208 412456 5.07 87584 2283376 669720 7.29 617308 2055240 212 01:20:38 5140792 7353012 413652 5.09 87720 2285208 669844 7.30 617908 2057216 244 01:30:20 5122148 7369064 397320 4.89 87840 2319624 679504 7.40 626436 2091620 196 01:40:38 5051660 7338636 426948 5.25 88300 2358808 873296 9.51 644636 2121176 148 01:50:10 5058716 7346420 419144 5.15 88432 2359388 873292 9.51 644568 2121888 152 02:00:38 5061892 7351656 413780 5.09 88604 2361216 852072 9.28 613556 2123880 652 02:10:20 4981016 7285276 480000 5.90 88712 2375388 908268 9.89 678272 2138176 176 02:20:30 5013160 7319704 445512 5.48 88896 2377460 874804 9.53 644960 2140304 232 Average: 5087282 7347968 417983 5.14 88131 2332842 777421 8.47 629041 2099568 21334 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:00:10 ens3 56.16 40.18 317.15 7.97 0.00 0.00 0.00 0.00 01:10:38 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:38 ens3 37.96 27.80 287.33 5.30 0.00 0.00 0.00 0.00 01:20:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:38 ens3 11.06 7.22 61.75 0.98 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 3.76 2.20 37.97 0.22 0.00 0.00 0.00 0.00 01:40:38 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:38 ens3 3.63 2.06 3.73 0.35 0.00 0.00 0.00 0.00 01:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 3.39 1.67 0.37 0.21 0.00 0.00 0.00 0.00 02:00:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:38 ens3 9.29 8.01 115.12 1.14 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 16.34 15.42 227.83 1.69 0.00 0.00 0.00 0.00 02:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:30 ens3 9.99 9.55 137.60 0.91 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.04 12.82 133.40 2.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60954) 10/01/26 _x86_64_ (2 CPU) 00:45:16 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 10.70 0.00 1.85 0.64 0.02 86.79 01:00:10 0 9.84 0.00 1.81 0.58 0.01 87.75 01:00:10 1 11.56 0.00 1.89 0.70 0.02 85.83 01:10:38 all 1.71 0.00 0.48 0.04 0.00 97.76 01:10:38 0 1.20 0.00 0.34 0.07 0.00 98.38 01:10:38 1 2.22 0.00 0.62 0.01 0.00 97.14 01:20:38 all 0.80 0.00 0.21 0.01 0.01 98.97 01:20:38 0 0.83 0.00 0.15 0.00 0.01 99.01 01:20:38 1 0.77 0.00 0.28 0.02 0.01 98.92 01:30:20 all 0.65 0.00 0.25 0.01 0.02 99.07 01:30:20 0 0.62 0.00 0.24 0.01 0.00 99.13 01:30:20 1 0.69 0.00 0.26 0.02 0.04 99.00 01:40:38 all 0.66 0.00 0.19 0.03 0.00 99.12 01:40:38 0 0.62 0.00 0.13 0.04 0.00 99.21 01:40:38 1 0.71 0.00 0.25 0.01 0.00 99.03 01:50:10 all 0.48 0.00 0.16 0.01 0.00 99.35 01:50:10 0 0.46 0.00 0.22 0.01 0.01 99.31 01:50:10 1 0.49 0.00 0.09 0.01 0.00 99.40 02:00:38 all 0.87 0.00 0.32 0.01 0.01 98.79 02:00:38 0 0.98 0.00 0.31 0.02 0.01 98.69 02:00:38 1 0.76 0.00 0.33 0.01 0.00 98.90 02:10:20 all 1.59 0.00 0.35 0.01 0.01 98.04 02:10:20 0 2.58 0.00 0.52 0.01 0.01 96.89 02:10:20 1 0.60 0.00 0.19 0.01 0.00 99.19 02:20:30 all 0.88 0.00 0.27 0.03 0.01 98.81 02:20:30 0 1.00 0.00 0.37 0.02 0.01 98.59 02:20:30 1 0.76 0.00 0.16 0.04 0.00 99.03 Average: all 2.07 0.00 0.46 0.09 0.01 97.37 Average: 0 2.03 0.00 0.46 0.09 0.01 97.42 Average: 1 2.11 0.00 0.46 0.10 0.01 97.32