---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60586 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 8.0G 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 792 5064 4 2386 7148 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:5c:a7:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 573sec preferred_lft 573sec inet6 fe80::f816:3eff:fe5c:a7d1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60586) 09/30/26 _x86_64_ (2 CPU) 00:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.02 1.78 0.02 0.82 21.38 430.47 00:20:02 1.86 0.11 1.72 0.03 3.05 24.55 509.83 00:30:05 1.77 0.00 1.74 0.03 0.00 19.77 633.61 00:40:01 25.63 2.83 20.52 2.28 222.95 3458.47 1104.92 00:50:01 1.80 0.01 1.77 0.03 0.57 127.24 2.57 Average: 6.55 0.59 5.49 0.47 45.25 726.87 535.75 00:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6093080 7507592 300532 3.70 55248 1555968 726392 7.91 480888 1326260 356 00:20:02 6111836 7484524 323576 3.98 55392 1513952 723164 7.88 479184 1284172 124 00:30:05 6111956 7485176 322880 3.97 55552 1514316 723312 7.88 479228 1284692 268 00:40:01 5115680 7429048 326060 4.01 106880 2357980 749252 8.16 567384 2134652 26076 00:50:01 5010388 7326188 429052 5.28 107004 2360356 844548 9.20 625732 2137136 292 Average: 5688588 7446506 340420 4.19 76015 1860514 753334 8.21 526483 1633382 5423 00:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.32 0.08 0.12 0.07 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.22 0.04 0.04 0.02 0.00 0.00 0.00 0.00 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 0.52 0.11 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 69.69 49.52 327.60 11.73 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 10.77 7.73 37.34 1.27 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 16.24 11.45 72.74 2.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60586) 09/30/26 _x86_64_ (2 CPU) 00:00:05 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.14 0.08 0.00 99.51 00:10:01 0 0.05 0.00 0.16 0.06 0.00 99.72 00:10:01 1 0.48 0.00 0.12 0.10 0.00 99.30 00:20:02 all 0.64 0.00 0.25 0.01 0.00 99.09 00:20:02 0 0.45 0.00 0.29 0.00 0.01 99.25 00:20:02 1 0.82 0.00 0.22 0.02 0.00 98.93 00:30:05 all 0.28 0.00 0.19 0.03 0.01 99.49 00:30:05 0 0.17 0.00 0.19 0.05 0.01 99.59 00:30:05 1 0.39 0.00 0.20 0.00 0.00 99.40 00:40:01 all 12.00 0.00 2.03 0.67 0.01 85.29 00:40:01 0 10.80 0.00 1.98 0.82 0.02 86.39 00:40:01 1 13.19 0.00 2.07 0.52 0.01 84.20 00:50:01 all 0.84 0.00 0.26 0.01 0.01 98.88 00:50:01 0 0.83 0.00 0.25 0.02 0.01 98.90 00:50:01 1 0.86 0.00 0.26 0.01 0.01 98.86 Average: all 2.80 0.00 0.57 0.16 0.01 96.46 Average: 0 2.45 0.00 0.57 0.19 0.01 96.78 Average: 1 3.14 0.00 0.57 0.13 0.01 96.15