---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-100 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 745 5240 4 2249 7196 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:30:aa:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84314sec preferred_lft 84314sec inet6 fe80::f816:3eff:fe30:aa57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-100) 09/05/26 _x86_64_ (2 CPU) 00:47:19 LINUX RESTART (2 CPU) 00:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:21 8.14 1.37 6.38 0.40 99.53 771.21 823.60 01:10:01 20.00 1.55 16.46 1.99 130.10 2893.89 1750.42 01:20:21 1.35 0.00 1.33 0.02 0.01 21.62 0.89 Average: 9.63 0.96 7.89 0.78 75.14 1197.82 839.37 00:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:21 5725180 7384380 410324 5.05 60060 1783732 644392 7.02 578164 1560152 204912 01:10:01 5204156 7382272 384924 4.73 87304 2251976 649552 7.07 591172 2023776 268 01:20:21 5178900 7359104 408072 5.02 87488 2253880 661400 7.20 594004 2025864 176 Average: 5369412 7375252 401107 4.93 78284 2096529 651781 7.10 587780 1869931 68452 00:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:21 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:00:21 ens3 26.63 19.55 169.12 5.31 0.00 0.00 0.00 0.00 01:10:01 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 01:10:01 ens3 41.29 33.32 165.88 6.96 0.00 0.00 0.00 0.00 01:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 10.83 9.05 106.49 0.96 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 25.92 20.38 146.52 4.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-100) 09/05/26 _x86_64_ (2 CPU) 00:47:19 LINUX RESTART (2 CPU) 00:50:21 CPU %user %nice %system %iowait %steal %idle 01:00:21 all 3.99 0.00 0.80 0.27 0.01 94.94 01:00:21 0 3.00 0.00 0.78 0.24 0.01 95.97 01:00:21 1 4.97 0.00 0.81 0.29 0.01 93.91 01:10:01 all 8.92 0.00 1.57 0.34 0.02 89.16 01:10:01 0 8.51 0.00 1.63 0.33 0.02 89.50 01:10:01 1 9.32 0.00 1.51 0.35 0.01 88.81 01:20:21 all 0.80 0.00 0.24 0.01 0.01 98.95 01:20:21 0 0.97 0.00 0.29 0.01 0.01 98.71 01:20:21 1 0.62 0.00 0.19 0.00 0.00 99.18 Average: all 4.48 0.00 0.86 0.20 0.01 94.45 Average: 0 4.08 0.00 0.89 0.19 0.01 94.82 Average: 1 4.88 0.00 0.82 0.21 0.01 94.08