---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7361 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 818 4959 4 2466 7123 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:49:fe:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79787sec preferred_lft 79787sec inet6 fe80::f816:3eff:fe49:fe83/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7361) 09/12/26 _x86_64_ (2 CPU) 00:36:36 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.20 0.03 1.17 0.00 1.24 14.89 0.21 01:00:12 38.86 16.05 20.54 2.26 367.53 3442.58 1434.57 01:10:01 1.49 0.00 1.48 0.01 0.10 58.25 1.33 01:20:01 15.53 0.00 1.31 14.22 0.16 21.56 106324.57 01:30:12 1.95 0.32 1.60 0.02 42.29 105.09 0.41 01:40:01 1.44 0.00 1.44 0.00 0.00 131.94 0.29 01:50:01 1.28 0.00 1.28 0.00 0.00 16.80 0.00 02:00:12 1.69 0.00 1.67 0.02 0.00 23.92 373.24 02:10:01 1.49 0.01 1.48 0.01 0.20 61.01 0.86 02:20:01 1.42 0.00 1.39 0.03 0.00 22.61 3.56 Average: 6.71 1.67 3.37 1.66 41.95 396.35 10820.79 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6283164 7530160 290076 3.57 30568 1423328 529628 5.77 445612 1183924 284 01:00:12 5120236 7361036 396720 4.88 91380 2302268 664116 7.23 610456 2077704 2612 01:10:01 5055196 7305444 452372 5.56 91548 2311640 711024 7.74 648912 2087228 276 01:20:01 5030212 7282468 475284 5.84 91664 2313512 711048 7.74 649748 2089204 308 01:30:12 4951108 7276332 480240 5.91 92100 2385460 931720 10.15 686580 2151368 33244 01:40:01 4956188 7282972 473620 5.82 92256 2386836 932308 10.15 687396 2152908 292 01:50:01 4957724 7285280 471272 5.79 92396 2387468 932308 10.15 687844 2153668 272 02:00:12 4949960 7278816 477724 5.87 92524 2388604 918080 10.00 673820 2154940 188 02:10:01 4920456 7262908 493416 6.07 92664 2401876 920352 10.02 675556 2168356 328 02:20:01 4918888 7263624 492632 6.06 92804 2403988 920668 10.03 676008 2170480 280 Average: 5114313 7312904 450336 5.54 85990 2270498 817125 8.90 644193 2038978 3808 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.09 0.11 0.25 0.06 0.00 0.00 0.00 0.00 01:00:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:12 ens3 71.68 49.23 315.29 11.73 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 27.51 23.54 303.05 2.20 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 8.74 7.59 61.42 0.94 0.00 0.00 0.00 0.00 01:30:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 2.56 1.90 38.48 0.17 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 3.38 2.39 1.06 0.29 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 2.73 1.79 0.44 0.30 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 5.45 4.77 36.17 0.75 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 18.64 18.13 222.43 2.05 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 13.09 12.94 223.12 1.14 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 15.55 12.27 119.94 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7361) 09/12/26 _x86_64_ (2 CPU) 00:36:36 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.32 0.00 0.08 0.03 0.00 99.57 00:50:01 0 0.13 0.00 0.08 0.03 0.01 99.75 00:50:01 1 0.51 0.00 0.09 0.02 0.00 99.38 01:00:12 all 11.36 0.15 2.13 0.75 0.01 85.60 01:00:12 0 10.68 0.06 2.17 0.70 0.01 86.38 01:00:12 1 12.04 0.24 2.08 0.81 0.01 84.81 01:10:01 all 1.38 0.00 0.38 0.03 0.02 98.19 01:10:01 0 1.90 0.00 0.54 0.01 0.02 97.53 01:10:01 1 0.86 0.00 0.23 0.05 0.01 98.85 01:20:01 all 1.02 0.00 0.28 0.04 0.01 98.65 01:20:01 0 0.98 0.00 0.24 0.07 0.01 98.70 01:20:01 1 1.05 0.00 0.32 0.01 0.02 98.61 01:30:12 all 1.21 0.00 0.38 0.03 0.02 98.36 01:30:12 0 1.73 0.00 0.40 0.02 0.04 97.81 01:30:12 1 0.76 0.00 0.36 0.04 0.01 98.83 01:40:01 all 0.65 0.00 0.18 0.01 0.01 99.14 01:40:01 0 0.61 0.00 0.18 0.01 0.01 99.20 01:40:01 1 0.70 0.00 0.18 0.01 0.01 99.09 01:50:01 all 0.58 0.00 0.17 0.01 0.01 99.24 01:50:01 0 0.52 0.00 0.12 0.01 0.01 99.34 01:50:01 1 0.63 0.00 0.22 0.01 0.01 99.13 02:00:12 all 0.83 0.00 0.30 0.01 0.01 98.85 02:00:12 0 0.98 0.00 0.35 0.01 0.01 98.65 02:00:12 1 0.68 0.00 0.25 0.02 0.01 99.04 02:10:01 all 2.15 0.00 0.42 0.01 0.01 97.41 02:10:01 0 2.45 0.00 0.51 0.01 0.01 97.02 02:10:01 1 1.85 0.00 0.32 0.02 0.01 97.81 02:20:01 all 0.94 0.00 0.32 0.05 0.01 98.68 02:20:01 0 0.89 0.00 0.28 0.02 0.01 98.80 02:20:01 1 1.00 0.00 0.35 0.08 0.02 98.55 Average: all 2.07 0.02 0.47 0.10 0.01 97.33 Average: 0 2.11 0.01 0.49 0.09 0.01 97.28 Average: 1 2.04 0.02 0.44 0.11 0.01 97.38