---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3051 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 5179 4 2286 7171 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:26:4e:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78475sec preferred_lft 78475sec inet6 fe80::f816:3eff:fe26:4e9b/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-3051) 09/08/26 _x86_64_ (2 CPU) 01:07:16 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.28 0.03 1.26 0.00 1.25 15.40 0.05 01:30:01 1.44 0.01 1.41 0.03 0.05 17.63 853.48 01:40:01 1.76 0.33 1.41 0.02 43.49 103.49 35.04 01:50:01 1.13 0.00 1.13 0.00 0.00 14.31 0.00 02:00:01 14.65 0.00 1.40 13.24 0.15 17.64 109918.15 02:10:01 1.14 0.00 1.14 0.00 0.00 14.15 0.00 02:20:01 1.15 0.00 1.15 0.00 0.00 14.03 0.00 02:30:01 1.34 0.00 1.32 0.01 0.00 16.82 639.77 02:40:01 1.16 0.00 1.16 0.00 0.00 14.24 0.00 02:50:01 25.05 2.84 19.99 2.23 224.19 3448.92 944.80 03:00:01 1.43 0.00 1.41 0.02 0.00 17.89 0.65 03:10:01 1.20 0.00 1.20 0.00 0.00 14.80 0.00 Average: 4.39 0.27 2.83 1.30 22.43 309.11 9357.89 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6278228 7525496 294536 3.62 30560 1423584 521576 5.68 445744 1183748 132 01:30:01 6273960 7521780 298340 3.67 30780 1423916 521696 5.68 445696 1184288 152 01:40:01 6210484 7498164 321008 3.95 31388 1462656 714720 7.78 464020 1213564 132 01:50:01 6209728 7497916 321244 3.95 31564 1462988 714720 7.78 464184 1214064 300 02:00:01 6210920 7499776 319244 3.93 31744 1463428 714784 7.79 464364 1214600 268 02:10:01 6211500 7500852 318156 3.91 31912 1463752 715384 7.79 465256 1215092 196 02:20:01 6211944 7501900 317096 3.90 32064 1464208 715384 7.79 465472 1215564 288 02:30:01 6220276 7510884 308032 3.79 32236 1464668 715448 7.79 465644 1216068 304 02:40:01 6220252 7511376 307588 3.78 32412 1464992 715452 7.79 465872 1216576 308 02:50:01 5179276 7399164 366616 4.51 87844 2292912 811676 8.84 596548 2054420 128 03:00:01 5159404 7379792 385844 4.74 87996 2293260 811812 8.84 596704 2054920 172 03:10:01 5161432 7382284 383388 4.71 88112 2293612 811816 8.84 596760 2055384 256 Average: 5962284 7477449 328424 4.04 45718 1664498 707039 7.70 494689 1419857 220 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.14 0.08 0.16 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.52 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.64 0.31 3.33 0.06 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 0.33 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.44 0.07 0.07 0.04 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 0.23 0.11 0.03 0.55 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 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.22 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 63.96 47.08 316.98 11.16 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 1.05 0.30 0.31 0.11 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.74 0.16 0.08 0.03 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 5.81 4.03 26.77 1.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3051) 09/08/26 _x86_64_ (2 CPU) 01:07:16 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.26 0.00 0.10 0.01 0.01 99.62 01:20:01 0 0.09 0.00 0.12 0.01 0.01 99.77 01:20:01 1 0.44 0.00 0.08 0.01 0.01 99.47 01:30:01 all 0.26 0.00 0.19 0.02 0.00 99.53 01:30:01 0 0.28 0.00 0.23 0.01 0.00 99.49 01:30:01 1 0.24 0.00 0.15 0.03 0.00 99.58 01:40:01 all 0.40 0.00 0.11 0.03 0.00 99.46 01:40:01 0 0.61 0.00 0.10 0.02 0.00 99.27 01:40:01 1 0.19 0.00 0.12 0.03 0.00 99.66 01:50:01 all 0.27 0.00 0.08 0.01 0.00 99.64 01:50:01 0 0.47 0.00 0.05 0.01 0.00 99.47 01:50:01 1 0.07 0.00 0.10 0.02 0.01 99.81 02:00:01 all 0.30 0.00 0.21 0.04 0.00 99.45 02:00:01 0 0.39 0.00 0.20 0.04 0.00 99.37 02:00:01 1 0.21 0.00 0.21 0.05 0.00 99.53 02:10:01 all 0.24 0.00 0.08 0.01 0.00 99.67 02:10:01 0 0.42 0.00 0.07 0.02 0.00 99.49 02:10:01 1 0.06 0.00 0.08 0.00 0.00 99.85 02:20:01 all 0.26 0.00 0.07 0.01 0.00 99.66 02:20:01 0 0.47 0.00 0.05 0.02 0.00 99.46 02:20:01 1 0.04 0.00 0.10 0.00 0.01 99.85 02:30:01 all 0.28 0.00 0.19 0.01 0.00 99.52 02:30:01 0 0.23 0.00 0.17 0.02 0.00 99.58 02:30:01 1 0.32 0.00 0.21 0.01 0.00 99.46 02:40:01 all 0.28 0.00 0.06 0.02 0.00 99.63 02:40:01 0 0.41 0.00 0.05 0.03 0.00 99.51 02:40:01 1 0.15 0.00 0.07 0.02 0.01 99.75 02:50:01 all 11.78 0.00 2.07 0.81 0.01 85.32 02:50:01 0 13.43 0.00 2.32 1.04 0.02 83.19 02:50:01 1 10.13 0.00 1.82 0.58 0.01 87.45 03:00:01 all 0.41 0.00 0.26 0.01 0.01 99.30 03:00:01 0 0.41 0.00 0.28 0.02 0.01 99.28 03:00:01 1 0.42 0.00 0.24 0.00 0.01 99.33 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 0.42 0.00 0.15 0.01 0.02 99.41 03:10:01 0 0.27 0.00 0.20 0.01 0.02 99.49 03:10:01 1 0.57 0.00 0.10 0.00 0.01 99.32 Average: all 1.26 0.00 0.30 0.08 0.01 98.35 Average: 0 1.46 0.00 0.32 0.10 0.01 98.11 Average: 1 1.07 0.00 0.27 0.06 0.01 98.59