---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8109 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 5187 4 2278 7172 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:4d:90:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83562sec preferred_lft 83562sec inet6 fe80::f816:3eff:fe4d:90be/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-8109) 09/14/26 _x86_64_ (2 CPU) 02:38:52 LINUX RESTART (2 CPU) 02:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:13 20.20 1.54 16.85 1.82 129.13 2917.20 1380.93 03:00:01 1.51 0.01 1.49 0.02 0.05 26.65 0.68 03:10:23 1.49 0.02 1.47 0.00 0.77 26.81 0.04 03:20:23 1.27 0.00 1.27 0.00 0.01 28.05 0.00 Average: 6.04 0.39 5.21 0.45 31.96 737.63 339.65 02:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:13 5220216 7408512 358616 4.41 87260 2262176 683724 7.45 588828 2033744 184 03:00:01 5194596 7385876 380876 4.68 87440 2264956 683788 7.45 589072 2036720 252 03:10:23 5181536 7376520 390260 4.80 87588 2268504 661936 7.21 591180 2040304 180 03:20:23 5181284 7380480 386332 4.75 87740 2272564 662092 7.21 591256 2044516 284 Average: 5194408 7387847 379021 4.66 87507 2267050 672885 7.33 590084 2038821 225 02:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:13 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 02:50:13 ens3 106.37 83.91 164.77 13.63 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 12.31 12.02 2.68 0.88 0.00 0.00 0.00 0.00 03:10:23 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:23 ens3 11.75 11.51 2.70 0.92 0.00 0.00 0.00 0.00 03:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:23 ens3 24.92 24.90 4.88 1.73 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 38.44 32.78 43.08 4.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8109) 09/14/26 _x86_64_ (2 CPU) 02:38:52 LINUX RESTART (2 CPU) 02:40:23 CPU %user %nice %system %iowait %steal %idle 02:50:13 all 9.99 0.00 1.95 0.34 0.02 87.70 02:50:13 0 13.07 0.00 2.08 0.37 0.02 84.46 02:50:13 1 6.92 0.00 1.82 0.30 0.02 90.94 03:00:01 all 1.65 0.00 0.45 0.01 0.02 97.87 03:00:01 0 0.80 0.00 0.38 0.01 0.02 98.79 03:00:01 1 2.50 0.00 0.53 0.01 0.02 96.94 03:10:23 all 1.89 0.00 0.41 0.01 0.01 97.67 03:10:23 0 1.74 0.00 0.44 0.01 0.01 97.80 03:10:23 1 2.04 0.00 0.38 0.01 0.01 97.55 03:20:23 all 1.76 0.00 0.49 0.01 0.02 97.73 03:20:23 0 2.67 0.00 0.54 0.00 0.02 96.77 03:20:23 1 0.85 0.00 0.43 0.01 0.01 98.69 Average: all 3.79 0.00 0.82 0.09 0.02 95.28 Average: 0 4.53 0.00 0.85 0.10 0.02 94.50 Average: 1 3.06 0.00 0.79 0.08 0.02 96.06