---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60782 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 8.0G 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 764 5097 4 2381 7176 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:d5:33:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4074sec preferred_lft 4074sec inet6 fe80::f816:3eff:fed5:33c0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60782) 10/01/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 1.72 0.02 1.69 0.01 0.81 20.29 428.27 00:20:09 1.80 0.11 1.66 0.03 3.05 23.39 736.94 00:30:09 1.70 0.00 1.69 0.01 0.00 19.09 634.73 00:40:09 19.91 1.65 16.55 1.71 120.00 2676.91 816.56 00:50:09 8.52 1.17 6.71 0.65 102.04 979.52 300.22 01:00:09 1.70 0.00 1.67 0.03 0.00 18.91 0.36 01:10:09 1.38 0.00 1.36 0.02 0.00 15.64 0.13 Average: 5.25 0.42 4.48 0.35 32.27 536.25 416.74 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 6089388 7501936 306580 3.77 55660 1553620 732216 7.98 481016 1324132 368 00:20:09 6115428 7488440 319908 3.93 55812 1513904 729924 7.95 479876 1284352 224 00:30:09 6120244 7493872 314436 3.87 55968 1514356 729924 7.95 479700 1284832 256 00:40:09 5203708 7352140 409608 5.04 100228 2205060 830244 9.04 601528 2001780 98592 00:50:09 5069300 7384708 370704 4.56 106988 2360004 825380 8.99 604640 2136580 240 01:00:09 5057840 7373696 381640 4.69 107092 2360352 825380 8.99 604840 2137032 260 01:10:09 5065680 7381980 373376 4.59 107188 2360700 825456 8.99 604968 2137476 200 Average: 5531655 7425253 353750 4.35 84134 1981142 785503 8.56 550938 1758026 14306 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:09 ens3 0.51 0.08 0.13 0.07 0.00 0.00 0.00 0.00 00:20:09 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:09 ens3 0.35 0.06 0.08 0.03 0.00 0.00 0.00 0.00 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.60 0.09 0.15 0.08 0.00 0.00 0.00 0.00 00:40:09 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:40:09 ens3 52.00 35.39 299.98 8.49 0.00 0.00 0.00 0.00 00:50:09 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 27.07 17.31 27.74 4.66 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.72 0.22 0.12 0.06 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 3.29 0.27 0.57 0.17 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.08 7.63 46.97 1.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60782) 10/01/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 0.27 0.00 0.12 0.01 0.00 99.60 00:10:09 0 0.07 0.00 0.15 0.02 0.00 99.76 00:10:09 1 0.47 0.00 0.09 0.00 0.00 99.44 00:20:09 all 0.61 0.00 0.22 0.02 0.00 99.14 00:20:09 0 0.77 0.00 0.20 0.03 0.00 99.01 00:20:09 1 0.46 0.00 0.25 0.01 0.00 99.27 00:30:09 all 0.25 0.00 0.16 0.04 0.00 99.55 00:30:09 0 0.35 0.00 0.14 0.07 0.00 99.44 00:30:09 1 0.14 0.00 0.18 0.01 0.00 99.67 00:40:09 all 9.25 0.00 1.49 2.21 0.01 87.04 00:40:09 0 12.77 0.00 1.67 1.56 0.01 83.99 00:40:09 1 5.74 0.00 1.31 2.86 0.01 90.09 00:50:09 all 2.89 0.00 0.69 0.46 0.01 95.95 00:50:09 0 2.21 0.00 0.58 0.38 0.01 96.82 00:50:09 1 3.58 0.00 0.79 0.53 0.01 95.09 01:00:09 all 0.39 0.00 0.22 0.01 0.00 99.38 01:00:09 0 0.31 0.00 0.23 0.01 0.00 99.45 01:00:09 1 0.47 0.00 0.21 0.01 0.00 99.30 01:10:09 all 0.37 0.00 0.15 0.02 0.00 99.46 01:10:09 0 0.29 0.00 0.21 0.03 0.01 99.47 01:10:09 1 0.46 0.00 0.09 0.00 0.00 99.45 Average: all 2.01 0.00 0.44 0.40 0.00 97.16 Average: 0 2.40 0.00 0.45 0.30 0.00 96.85 Average: 1 1.62 0.00 0.42 0.49 0.00 97.47