---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6239 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 769 5094 4 2379 7172 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:10:52:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50067sec preferred_lft 50067sec inet6 fe80::f816:3eff:fe10:5220/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6239) 09/10/26 _x86_64_ (2 CPU) 00:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:20 1.74 0.02 1.71 0.01 0.83 20.83 5.27 00:20:00 1.67 0.11 1.52 0.03 3.16 22.64 239.25 00:30:30 1.56 0.00 1.53 0.03 0.00 17.82 0.89 00:40:31 28.31 2.81 23.21 2.28 221.93 3565.24 1310.95 00:50:01 1.51 0.00 1.50 0.01 0.00 22.69 0.13 Average: 7.01 0.59 5.94 0.48 45.66 737.58 313.05 00:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:20 6090836 7505864 302012 3.71 54456 1557276 755140 8.22 478016 1326200 140 00:20:00 6123956 7500360 307436 3.78 54576 1518492 753336 8.21 476652 1287320 124 00:30:30 6120720 7497644 310068 3.81 54720 1518856 753336 8.21 476876 1287828 236 00:40:31 5086576 7394148 360964 4.44 106008 2353252 849260 9.25 604036 2128560 220 00:50:01 5038684 7348284 406884 5.00 106120 2355172 880400 9.59 626348 2130496 292 Average: 5692154 7449260 337473 4.15 75176 1860610 798294 8.70 532386 1632081 202 00:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:20 ens3 0.33 0.15 0.09 0.75 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.20 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:30 ens3 0.61 0.15 0.21 0.13 0.00 0.00 0.00 0.00 00:40:31 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:31 ens3 69.89 51.65 321.05 11.78 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 12.25 9.83 76.02 1.10 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 16.72 12.40 79.58 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6239) 09/10/26 _x86_64_ (2 CPU) 00:00:31 CPU %user %nice %system %iowait %steal %idle 00:10:20 all 0.24 0.00 0.13 0.01 0.00 99.62 00:10:20 0 0.05 0.00 0.15 0.02 0.00 99.78 00:10:20 1 0.44 0.00 0.11 0.00 0.00 99.45 00:20:00 all 0.64 0.00 0.27 0.02 0.00 99.08 00:20:00 0 0.43 0.00 0.27 0.02 0.00 99.28 00:20:00 1 0.85 0.00 0.26 0.02 0.00 98.87 00:30:30 all 0.27 0.00 0.17 0.01 0.00 99.54 00:30:30 0 0.07 0.00 0.19 0.00 0.00 99.73 00:30:30 1 0.47 0.00 0.16 0.01 0.00 99.36 00:40:31 all 11.72 0.00 2.00 0.53 0.01 85.73 00:40:31 0 12.98 0.00 2.12 0.58 0.01 84.31 00:40:31 1 10.47 0.00 1.89 0.48 0.01 87.15 00:50:01 all 0.85 0.00 0.26 0.01 0.01 98.87 00:50:01 0 0.94 0.00 0.30 0.01 0.01 98.74 00:50:01 1 0.76 0.00 0.21 0.02 0.01 99.01 Average: all 2.77 0.00 0.57 0.12 0.01 96.54 Average: 0 2.92 0.00 0.61 0.13 0.01 96.34 Average: 1 2.61 0.00 0.53 0.11 0.01 96.74