---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66031 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: 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 8.1G 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 817 5100 4 2322 7124 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:2a:a1:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84113sec preferred_lft 84113sec inet6 fe80::f816:3eff:fe2a:a159/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66031) 10/20/26 _x86_64_ (2 CPU) 23:05:29 LINUX RESTART (2 CPU) 23:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:05 6.44 0.04 5.83 0.56 3.17 898.41 239.81 23:30:15 1.79 0.01 1.77 0.02 0.05 22.05 0.24 23:40:01 16.30 0.00 1.49 14.80 0.15 18.22 108203.98 Average: 8.08 0.02 3.04 5.02 1.13 314.72 35333.36 23:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:05 5079944 7339944 420416 5.17 113224 2301828 776072 8.45 655840 2088672 192 23:30:15 5063888 7324412 435644 5.36 113388 2302188 776080 8.45 655852 2089196 180 23:40:01 5067696 7328752 431264 5.30 113520 2302592 777220 8.47 656212 2089700 268 Average: 5070509 7331036 429108 5.28 113377 2302203 776457 8.46 655968 2089189 213 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:05 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 23:20:05 ens3 18.55 12.33 4.39 3.57 0.00 0.00 0.00 0.00 23:30:15 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 23:30:15 ens3 0.53 0.23 0.07 0.03 0.00 0.00 0.00 0.00 23:40:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 23:40:01 ens3 0.51 0.18 0.09 0.05 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 6.57 4.27 1.53 1.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66031) 10/20/26 _x86_64_ (2 CPU) 23:05:29 LINUX RESTART (2 CPU) 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:20:05 all 2.41 0.00 0.52 0.08 0.00 96.99 23:20:05 0 0.82 0.00 0.35 0.12 0.00 98.70 23:20:05 1 3.99 0.00 0.68 0.03 0.01 95.28 23:30:15 all 0.41 0.00 0.25 0.01 0.00 99.33 23:30:15 0 0.42 0.00 0.21 0.02 0.00 99.35 23:30:15 1 0.41 0.00 0.28 0.00 0.00 99.30 23:40:01 all 0.39 0.00 0.16 0.04 0.00 99.41 23:40:01 0 0.49 0.00 0.11 0.06 0.00 99.35 23:40:01 1 0.29 0.00 0.21 0.02 0.01 99.47 Average: all 1.07 0.00 0.31 0.04 0.00 98.57 Average: 0 0.58 0.00 0.22 0.07 0.00 99.13 Average: 1 1.57 0.00 0.39 0.02 0.01 98.01