---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61291 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 779 5078 4 2386 7162 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:6a:b6:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 1911sec preferred_lft 1911sec inet6 fe80::f816:3eff:fe6a:b6e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61291) 10/03/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.78 0.02 1.75 0.02 0.81 21.05 428.94 00:20:20 1.89 0.10 1.75 0.04 2.95 25.05 468.19 00:30:01 1.85 0.00 1.81 0.03 0.00 20.67 706.31 00:40:01 17.00 1.60 14.52 0.89 113.56 2232.97 985.19 Average: 5.62 0.43 4.95 0.24 29.32 574.29 645.18 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6090084 7503364 304376 3.74 55000 1555184 715788 7.80 469908 1325584 160 00:20:20 6118220 7489960 317644 3.91 55152 1513500 714068 7.78 468856 1283828 312 00:30:01 6113092 7485420 322180 3.96 55284 1513944 714068 7.78 468804 1284280 304 00:40:01 5295644 7330972 437188 5.38 92976 2105612 836540 9.11 617684 1897360 48588 Average: 5904260 7452429 345347 4.25 64603 1672060 745116 8.12 506313 1447763 12341 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.47 0.14 0.18 0.11 0.00 0.00 0.00 0.00 00:20:20 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:20 ens3 0.50 0.13 0.16 0.10 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.54 0.11 0.15 0.08 0.00 0.00 0.00 0.00 00:40:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 48.75 34.61 284.10 8.58 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 12.55 8.73 71.06 2.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61291) 10/03/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.29 0.00 0.10 0.01 0.00 99.59 00:10:00 0 0.17 0.00 0.11 0.01 0.00 99.71 00:10:00 1 0.41 0.00 0.09 0.02 0.00 99.47 00:20:20 all 0.61 0.00 0.21 0.02 0.00 99.16 00:20:20 0 0.49 0.00 0.23 0.02 0.00 99.27 00:20:20 1 0.74 0.00 0.20 0.01 0.00 99.05 00:30:01 all 0.31 0.00 0.19 0.01 0.01 99.48 00:30:01 0 0.07 0.00 0.21 0.02 0.01 99.68 00:30:01 1 0.55 0.00 0.16 0.01 0.01 99.28 00:40:01 all 6.23 0.00 1.08 0.53 0.01 92.16 00:40:01 0 4.81 0.00 1.00 0.63 0.01 93.55 00:40:01 1 7.65 0.00 1.15 0.43 0.01 90.76 Average: all 1.86 0.00 0.39 0.14 0.00 97.60 Average: 0 1.39 0.00 0.39 0.17 0.01 98.05 Average: 1 2.34 0.00 0.40 0.12 0.00 97.14