---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65818 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 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 841 5077 4 2321 7100 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:d1:6e:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84175sec preferred_lft 84175sec inet6 fe80::f816:3eff:fed1:6e6a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-65818) 10/19/26 _x86_64_ (2 CPU) 21:08:34 LINUX RESTART (2 CPU) 21:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:16 31.32 1.47 14.00 15.85 123.18 2391.70 105497.69 21:30:01 1.51 0.01 1.48 0.02 0.05 19.55 0.36 21:40:01 1.32 0.00 1.32 0.00 0.00 16.53 0.00 Average: 11.62 0.50 5.70 5.42 42.07 828.42 36018.38 21:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:16 5060012 7319356 440808 5.42 113092 2301312 784060 8.54 668456 2088316 228 21:30:01 5043152 7303000 456936 5.62 113236 2301672 784060 8.54 668472 2088820 184 21:40:01 5040716 7301048 458912 5.64 113372 2302020 784248 8.54 668668 2089304 168 Average: 5047960 7307801 452219 5.56 113233 2301668 784123 8.54 668532 2088813 193 21:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:16 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 21:20:16 ens3 35.97 23.78 146.61 5.57 0.00 0.00 0.00 0.00 21:30:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:30:01 ens3 0.53 0.21 0.08 0.03 0.00 0.00 0.00 0.00 21:40:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 21:40:01 ens3 0.90 0.26 3.59 0.03 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 12.76 8.27 51.28 1.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-65818) 10/19/26 _x86_64_ (2 CPU) 21:08:34 LINUX RESTART (2 CPU) 21:10:01 CPU %user %nice %system %iowait %steal %idle 21:20:16 all 8.17 0.00 1.41 0.42 0.01 89.99 21:20:16 0 8.38 0.00 1.40 0.45 0.01 89.76 21:20:16 1 7.96 0.00 1.42 0.39 0.01 90.21 21:30:01 all 0.44 0.00 0.25 0.01 0.01 99.30 21:30:01 0 0.38 0.00 0.28 0.01 0.01 99.32 21:30:01 1 0.50 0.00 0.22 0.01 0.01 99.27 21:40:01 all 0.36 0.00 0.13 0.01 0.01 99.50 21:40:01 0 0.41 0.00 0.11 0.02 0.01 99.45 21:40:01 1 0.31 0.00 0.14 0.00 0.01 99.54 Average: all 3.05 0.00 0.60 0.15 0.01 96.18 Average: 0 3.13 0.00 0.61 0.16 0.01 96.09 Average: 1 2.98 0.00 0.60 0.14 0.01 96.27