---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60784 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: 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 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 792 4984 4 2468 7149 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:a9:c8:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4661sec preferred_lft 4661sec inet6 fe80::f816:3eff:fea9:c841/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60784) 10/01/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:21 1.77 0.01 1.75 0.01 0.79 20.88 414.38 00:20:41 1.93 0.10 1.79 0.03 2.96 24.67 447.67 00:30:21 1.90 0.00 1.88 0.02 0.00 20.93 682.03 00:40:01 21.10 1.70 17.67 1.73 123.99 2693.08 745.68 00:50:31 7.70 1.11 6.00 0.59 97.18 953.56 291.53 01:00:41 1.80 0.00 1.78 0.02 0.00 89.90 0.25 Average: 5.93 0.48 5.05 0.39 37.22 620.35 424.87 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:21 6089320 7505364 302380 3.72 54348 1558596 738992 8.05 475936 1327260 416 00:20:41 6114644 7491168 316472 3.89 54520 1518880 735856 8.01 474468 1287500 124 00:30:21 6123752 7500700 306920 3.77 54636 1519172 735856 8.01 474508 1287908 204 00:40:01 5212232 7364024 397244 4.88 98992 2209908 843692 9.19 597896 2004968 94632 00:50:31 5040560 7369936 384832 4.73 105860 2375220 869200 9.47 614684 2150244 296 01:00:41 5009872 7360764 393964 4.84 105944 2396636 863784 9.41 617868 2171760 584 Average: 5598397 7431993 350302 4.31 79050 1929735 797897 8.69 542560 1704940 16043 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:21 ens3 0.51 0.07 0.12 0.07 0.00 0.00 0.00 0.00 00:20:41 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:41 ens3 0.33 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:21 ens3 0.70 0.11 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:40:01 ens3 53.03 38.32 310.25 8.95 0.00 0.00 0.00 0.00 00:50:31 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:31 ens3 56.18 45.64 32.84 8.19 0.00 0.00 0.00 0.00 01:00:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:41 ens3 43.25 42.55 9.34 5.78 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 25.67 21.18 56.75 3.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60784) 10/01/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:21 all 0.27 0.00 0.14 0.01 0.00 99.58 00:10:21 0 0.06 0.00 0.18 0.00 0.00 99.75 00:10:21 1 0.47 0.00 0.10 0.02 0.00 99.40 00:20:41 all 0.61 0.00 0.23 0.01 0.00 99.14 00:20:41 0 0.41 0.00 0.24 0.02 0.00 99.33 00:20:41 1 0.82 0.00 0.22 0.01 0.00 98.95 00:30:21 all 0.27 0.00 0.20 0.01 0.01 99.51 00:30:21 0 0.09 0.00 0.22 0.01 0.01 99.68 00:30:21 1 0.45 0.00 0.18 0.02 0.00 99.35 00:40:01 all 9.38 0.00 1.49 0.47 0.01 88.65 00:40:01 0 10.12 0.00 1.57 0.33 0.01 87.97 00:40:01 1 8.65 0.00 1.41 0.61 0.01 89.32 00:50:31 all 5.27 0.00 0.98 0.12 0.02 93.60 00:50:31 0 6.15 0.00 0.95 0.09 0.02 92.79 00:50:31 1 4.41 0.00 1.02 0.15 0.01 94.41 01:00:41 all 4.27 0.00 0.67 0.01 0.01 95.04 01:00:41 0 2.39 0.00 0.64 0.01 0.01 96.94 01:00:41 1 6.14 0.00 0.69 0.01 0.01 93.14 Average: all 3.31 0.00 0.61 0.10 0.01 95.97 Average: 0 3.16 0.00 0.63 0.08 0.01 96.13 Average: 1 3.45 0.00 0.60 0.13 0.01 95.81