---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8811 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: 5600.00 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 778 5077 4 2380 7163 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:11:a8:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84066sec preferred_lft 84066sec inet6 fe80::f816:3eff:fe11:a839/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8811) 09/17/26 _x86_64_ (2 CPU) 02:38:27 LINUX RESTART (2 CPU) 02:40:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:22 16.18 1.47 12.95 1.76 120.65 2326.58 999.67 03:00:02 1.58 0.01 1.49 0.08 0.06 76.91 2.39 03:10:32 1.42 0.00 1.35 0.07 0.00 104.30 1.97 Average: 6.39 0.49 5.26 0.64 40.20 835.64 334.37 02:40:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:22 5210332 7409240 357308 4.39 87524 2272544 670008 7.30 586300 2044664 568 03:00:02 5185804 7401668 364508 4.48 87760 2289232 672904 7.33 589940 2061620 260 03:10:32 5145784 7390052 375920 4.62 87984 2317152 680336 7.41 597352 2089760 204 Average: 5180640 7400320 365912 4.50 87756 2292976 674416 7.35 591197 2065348 344 02:40:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:22 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:50:22 ens3 84.58 60.60 129.96 12.94 0.00 0.00 0.00 0.00 03:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 22.05 22.24 8.00 2.48 0.00 0.00 0.00 0.00 03:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:32 ens3 62.49 53.49 30.14 5.26 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 56.92 45.87 56.31 6.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8811) 09/17/26 _x86_64_ (2 CPU) 02:38:27 LINUX RESTART (2 CPU) 02:40:18 CPU %user %nice %system %iowait %steal %idle 02:50:22 all 9.57 0.00 1.59 0.39 0.02 88.42 02:50:22 0 9.16 0.00 1.55 0.56 0.01 88.71 02:50:22 1 9.98 0.00 1.63 0.22 0.02 88.13 03:00:02 all 3.87 0.00 0.65 0.01 0.02 95.46 03:00:02 0 3.95 0.00 0.63 0.01 0.02 95.40 03:00:02 1 3.78 0.00 0.66 0.02 0.02 95.52 03:10:32 all 5.52 0.00 1.03 0.01 0.03 93.40 03:10:32 0 6.15 0.00 0.97 0.02 0.03 92.82 03:10:32 1 4.89 0.00 1.08 0.01 0.03 93.99 Average: all 6.35 0.00 1.09 0.14 0.02 92.40 Average: 0 6.45 0.00 1.06 0.20 0.02 92.27 Average: 1 6.24 0.00 1.13 0.08 0.03 92.52