---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61260 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 797 5062 4 2376 7144 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:48:e1:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78421sec preferred_lft 78421sec inet6 fe80::f816:3eff:fe48:e17c/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-61260) 10/02/26 _x86_64_ (2 CPU) 01:05:59 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 25.97 2.86 20.85 2.26 225.37 3537.66 955.98 01:30:01 1.49 0.01 1.45 0.03 0.05 24.65 0.67 01:40:01 1.24 0.00 1.24 0.00 0.00 17.91 0.00 01:50:01 1.90 0.32 1.57 0.01 43.08 219.10 0.48 02:00:01 1.49 0.00 1.47 0.02 0.00 19.93 0.29 02:10:01 1.24 0.00 1.24 0.00 0.00 19.64 402.77 02:20:01 1.28 0.00 1.28 0.00 0.00 20.04 0.00 02:30:01 1.59 0.00 1.57 0.02 0.00 20.79 0.29 02:40:01 15.60 0.00 1.40 14.19 0.15 18.21 106055.14 02:50:01 1.30 0.00 1.30 0.00 0.00 17.49 0.00 03:00:01 1.46 0.01 1.42 0.04 0.20 22.34 0.64 03:10:01 1.26 0.00 1.23 0.03 0.00 22.33 0.59 Average: 4.65 0.27 3.00 1.38 22.40 330.01 8958.48 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 5123472 7317736 449384 5.53 87320 2267804 721648 7.86 654136 2039732 300 01:30:01 5162336 7358732 407996 5.02 87484 2269812 680552 7.41 604688 2041864 344 01:40:01 5146548 7344052 422684 5.20 87604 2270768 700424 7.63 624232 2042976 276 01:50:01 5037420 7309020 456704 5.62 88032 2343896 937028 10.21 675684 2106388 248 02:00:01 5040328 7312692 452992 5.57 88160 2344536 937028 10.21 675896 2107124 184 02:10:01 4936396 7210244 555444 6.83 88308 2345820 931964 10.15 662788 2108460 236 02:20:01 5053184 7328688 436952 5.37 88424 2347352 898968 9.79 629764 2110100 288 02:30:01 5055044 7331464 434156 5.34 88576 2348080 898968 9.79 629900 2110860 244 02:40:01 5055528 7332804 432712 5.32 88700 2348796 898960 9.79 629900 2111672 232 02:50:01 5055528 7333580 431884 5.31 88840 2349424 899016 9.79 630336 2112440 284 03:00:01 5067944 7347556 417892 5.14 89000 2350792 892612 9.72 631828 2113968 364 03:10:01 5046508 7328596 436800 5.37 89188 2353080 901412 9.82 636756 2116288 180 Average: 5065020 7321264 444633 5.47 88303 2328347 858215 9.35 640492 2093489 265 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:20:01 ens3 86.92 64.18 467.25 13.36 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 11.11 10.01 141.78 1.00 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 3.48 2.84 5.20 0.56 0.00 0.00 0.00 0.00 01:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 5.33 3.71 40.28 0.38 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 2.93 1.68 0.33 0.22 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 6.21 5.39 36.87 0.80 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 6.01 5.75 84.09 0.64 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 0.28 0.09 0.04 0.02 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 0.38 0.13 0.09 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.66 0.20 0.20 0.11 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 1.83 1.35 0.49 0.22 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 15.86 15.56 223.34 1.73 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 11.75 9.24 83.33 1.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61260) 10/02/26 _x86_64_ (2 CPU) 01:05:59 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 11.97 0.00 2.12 0.69 0.02 85.20 01:20:01 0 9.85 0.00 2.14 0.63 0.01 87.37 01:20:01 1 14.10 0.00 2.10 0.75 0.02 83.03 01:30:01 all 0.82 0.00 0.36 0.01 0.01 98.81 01:30:01 0 0.89 0.00 0.35 0.01 0.01 98.75 01:30:01 1 0.76 0.00 0.37 0.01 0.01 98.86 01:40:01 all 0.97 0.00 0.21 0.01 0.01 98.80 01:40:01 0 1.35 0.00 0.23 0.01 0.02 98.39 01:40:01 1 0.63 0.00 0.19 0.01 0.01 99.17 01:50:01 all 0.71 0.00 0.23 0.03 0.01 99.02 01:50:01 0 0.87 0.00 0.26 0.05 0.01 98.81 01:50:01 1 0.56 0.00 0.20 0.01 0.01 99.23 02:00:01 all 0.55 0.00 0.27 0.01 0.01 99.17 02:00:01 0 0.60 0.00 0.20 0.01 0.00 99.18 02:00:01 1 0.50 0.00 0.33 0.01 0.01 99.15 02:10:01 all 0.69 0.00 0.20 0.01 0.01 99.10 02:10:01 0 0.79 0.00 0.23 0.01 0.01 98.96 02:10:01 1 0.60 0.00 0.16 0.01 0.00 99.23 02:20:01 all 0.65 0.00 0.20 0.01 0.01 99.13 02:20:01 0 0.59 0.00 0.13 0.01 0.01 99.27 02:20:01 1 0.71 0.00 0.27 0.01 0.01 99.00 02:30:01 all 0.49 0.00 0.27 0.02 0.01 99.22 02:30:01 0 0.49 0.00 0.26 0.02 0.01 99.23 02:30:01 1 0.49 0.00 0.27 0.02 0.01 99.21 02:40:01 all 0.45 0.00 0.16 0.04 0.02 99.34 02:40:01 0 0.43 0.00 0.14 0.07 0.01 99.35 02:40:01 1 0.46 0.00 0.18 0.01 0.02 99.33 02:50:01 all 0.48 0.00 0.16 0.01 0.01 99.34 02:50:01 0 0.48 0.00 0.16 0.00 0.01 99.35 02:50:01 1 0.48 0.00 0.15 0.02 0.01 99.34 03:00:01 all 0.89 0.00 0.29 0.02 0.01 98.80 03:00:01 0 0.70 0.00 0.29 0.01 0.01 98.99 03:00:01 1 1.07 0.00 0.28 0.03 0.01 98.61 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 0.98 0.00 0.35 0.01 0.01 98.65 03:10:01 0 1.04 0.00 0.35 0.01 0.01 98.59 03:10:01 1 0.92 0.00 0.34 0.01 0.01 98.72 Average: all 1.64 0.00 0.40 0.07 0.01 97.87 Average: 0 1.51 0.00 0.40 0.07 0.01 98.01 Average: 1 1.78 0.00 0.40 0.07 0.01 97.73