---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-138 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 757 5186 4 2291 7184 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:65:d0:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81338sec preferred_lft 81338sec inet6 fe80::f816:3eff:fe65:d073/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-138) 09/05/26 _x86_64_ (2 CPU) 01:06:59 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:17 1.58 0.05 1.53 0.00 3.31 18.70 0.12 01:30:07 2.17 0.34 1.80 0.03 44.28 109.75 0.53 01:40:01 1.23 0.00 1.23 0.00 0.00 14.94 10.03 01:50:27 1.34 0.00 1.32 0.02 0.00 16.22 47.72 02:00:27 1.58 0.00 1.55 0.03 0.00 19.32 902.85 02:10:01 1.32 0.00 1.30 0.02 0.00 15.63 46.78 02:20:07 1.38 0.00 1.38 0.00 0.00 16.28 0.00 02:30:27 28.24 2.95 22.16 3.14 222.40 3650.17 4053.33 Average: 4.95 0.43 4.11 0.42 34.41 495.02 646.09 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:17 6285772 7538072 282852 3.48 30592 1428320 531848 5.79 442008 1188264 160 01:30:07 6215892 7508064 311652 3.83 31248 1467020 732288 7.98 460188 1217536 136 01:40:01 6217360 7509976 309720 3.81 31412 1467308 732356 7.98 460156 1217976 264 01:50:27 6225068 7518264 301448 3.71 31612 1467668 732472 7.98 460588 1218548 124 02:00:27 6221524 7515440 304240 3.74 31860 1468112 732604 7.98 460780 1219112 124 02:10:01 6221524 7515952 303724 3.73 32056 1468420 732672 7.98 460860 1219616 240 02:20:07 6221524 7516468 303196 3.73 32208 1468776 732672 7.98 461012 1220124 160 02:30:27 5361672 7399572 376116 4.62 91408 2115576 806356 8.78 598944 1880540 23856 Average: 6121292 7502726 311618 3.83 39050 1543900 716658 7.81 475567 1297714 3133 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 2.05 0.16 2.90 0.10 0.00 0.00 0.00 0.00 01:30:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.82 0.29 3.40 0.06 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 0.45 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:27 ens3 0.56 0.13 0.16 0.10 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 0.25 0.05 0.06 0.03 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 0.33 0.16 0.04 0.72 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.18 0.05 0.03 0.02 0.00 0.00 0.00 0.00 02:30:27 lo 1.35 1.35 0.09 0.09 0.00 0.00 0.00 0.00 02:30:27 ens3 76.56 58.21 423.70 13.57 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 10.42 7.59 55.27 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-138) 09/05/26 _x86_64_ (2 CPU) 01:06:59 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:17 all 0.33 0.00 0.12 0.01 0.00 99.54 01:20:17 0 0.20 0.00 0.13 0.00 0.00 99.66 01:20:17 1 0.45 0.00 0.11 0.02 0.00 99.41 01:30:07 all 0.46 0.00 0.24 0.03 0.00 99.28 01:30:07 0 0.32 0.00 0.28 0.04 0.00 99.35 01:30:07 1 0.59 0.00 0.20 0.01 0.00 99.20 01:40:01 all 0.25 0.00 0.08 0.01 0.00 99.66 01:40:01 0 0.06 0.00 0.10 0.02 0.01 99.82 01:40:01 1 0.44 0.00 0.06 0.00 0.00 99.50 01:50:27 all 0.28 0.00 0.09 0.01 0.00 99.61 01:50:27 0 0.07 0.00 0.11 0.01 0.00 99.80 01:50:27 1 0.50 0.00 0.07 0.00 0.00 99.42 02:00:27 all 0.28 0.00 0.19 0.01 0.00 99.51 02:00:27 0 0.29 0.00 0.18 0.00 0.00 99.52 02:00:27 1 0.28 0.00 0.20 0.02 0.00 99.50 02:10:01 all 0.17 0.00 0.08 0.01 0.00 99.74 02:10:01 0 0.17 0.00 0.07 0.00 0.00 99.75 02:10:01 1 0.17 0.00 0.08 0.02 0.00 99.73 02:20:07 all 0.26 0.00 0.09 0.01 0.00 99.63 02:20:07 0 0.05 0.00 0.12 0.00 0.00 99.83 02:20:07 1 0.48 0.00 0.07 0.02 0.00 99.43 02:30:27 all 13.73 0.00 2.36 0.69 0.01 83.21 02:30:27 0 11.76 0.00 2.22 0.66 0.01 85.35 02:30:27 1 15.69 0.00 2.49 0.73 0.01 81.07 Average: all 2.02 0.00 0.41 0.10 0.00 97.46 Average: 0 1.66 0.00 0.41 0.09 0.00 97.84 Average: 1 2.38 0.00 0.42 0.11 0.00 97.09