---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8106 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 795 5039 4 2400 7146 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:c0:b9:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84019sec preferred_lft 84019sec inet6 fe80::f816:3eff:fec0:b99f/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-8106) 09/14/26 _x86_64_ (2 CPU) 02:38:52 LINUX RESTART (2 CPU) 02:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:32 20.57 1.47 17.16 1.93 123.47 2840.67 1304.13 03:00:01 2.08 0.35 1.69 0.04 45.49 172.85 1.14 03:10:32 1.27 0.00 1.26 0.02 0.00 96.15 0.63 Average: 8.08 0.61 6.80 0.67 56.21 1053.11 443.90 02:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:32 5200380 7383036 384844 4.73 87108 2257104 693916 7.56 611712 2031540 124 03:00:01 5106848 7346236 420528 5.17 87560 2313048 874996 9.53 633388 2077860 240 03:10:32 5090856 7357312 409036 5.03 87756 2339556 910708 9.92 636084 2104556 1004 Average: 5132695 7362195 404803 4.98 87475 2303236 826540 9.00 627061 2071319 456 02:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:32 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 02:50:32 ens3 91.77 67.72 180.99 13.33 0.00 0.00 0.00 0.00 03:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 22.85 23.15 12.14 2.39 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 52.23 49.52 26.57 4.94 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 56.48 47.46 74.54 7.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8106) 09/14/26 _x86_64_ (2 CPU) 02:38:52 LINUX RESTART (2 CPU) 02:40:14 CPU %user %nice %system %iowait %steal %idle 02:50:32 all 10.92 0.00 1.69 0.39 0.02 86.98 02:50:32 0 8.90 0.00 1.66 0.56 0.02 88.86 02:50:32 1 12.94 0.00 1.73 0.22 0.01 85.10 03:00:01 all 5.10 0.00 0.74 0.03 0.01 94.12 03:00:01 0 4.23 0.00 0.72 0.01 0.01 95.03 03:00:01 1 5.99 0.00 0.75 0.04 0.01 93.21 03:10:32 all 5.89 0.00 0.91 0.01 0.03 93.16 03:10:32 0 6.12 0.00 0.75 0.01 0.03 93.08 03:10:32 1 5.65 0.00 1.07 0.00 0.03 93.24 Average: all 7.36 0.00 1.12 0.14 0.02 91.35 Average: 0 6.47 0.00 1.05 0.20 0.02 92.26 Average: 1 8.25 0.00 1.20 0.09 0.02 90.45