---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57713 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 797 4987 4 2458 7144 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:4f:b2:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 13088sec preferred_lft 13088sec inet6 fe80::f816:3eff:fe4f:b23d/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-57713) 09/24/26 _x86_64_ (2 CPU) 00:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.67 0.02 1.64 0.01 0.84 20.18 5.35 00:20:01 1.66 0.11 1.52 0.03 3.05 22.15 256.01 00:30:19 1.53 0.00 1.51 0.01 0.00 17.73 20.18 00:40:01 26.17 2.92 20.86 2.39 229.58 3653.63 1132.11 00:50:01 1.58 0.00 1.57 0.00 0.00 54.03 0.04 01:00:19 3.52 0.04 2.91 0.57 1.31 186.92 2453.52 Average: 5.91 0.50 4.91 0.49 37.99 641.86 651.11 00:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6095668 7498916 309660 3.81 52372 1547716 733880 7.99 475160 1316292 292 00:20:01 6130888 7498912 309444 3.81 52528 1512304 731784 7.97 473868 1280820 248 00:30:19 6124212 7492756 315644 3.88 52664 1512672 731936 7.97 474060 1281324 264 00:40:01 5058424 7367432 388016 4.77 104100 2356464 859364 9.36 630892 2131492 620 00:50:01 5040008 7360184 395296 4.86 104196 2367632 882608 9.61 636864 2142732 916 01:00:19 5037204 7287632 476784 5.86 105100 2305056 908196 9.89 715660 2080736 101980 Average: 5581067 7417639 365807 4.50 78493 1933641 807961 8.80 567751 1705566 17387 00:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.32 0.08 0.11 0.07 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.19 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:19 ens3 0.54 0.11 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 74.83 54.96 336.43 12.58 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 38.14 32.74 7.45 4.03 0.00 0.00 0.00 0.00 01:00:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 55.60 51.26 27.24 19.07 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 28.18 23.18 60.37 6.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57713) 09/24/26 _x86_64_ (2 CPU) 00:00:19 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.11 0.01 0.00 99.62 00:10:01 0 0.07 0.00 0.12 0.02 0.00 99.79 00:10:01 1 0.43 0.00 0.11 0.01 0.00 99.46 00:20:01 all 0.65 0.00 0.21 0.02 0.00 99.12 00:20:01 0 0.83 0.00 0.21 0.02 0.00 98.95 00:20:01 1 0.46 0.00 0.22 0.02 0.00 99.30 00:30:19 all 0.27 0.00 0.16 0.01 0.00 99.56 00:30:19 0 0.47 0.00 0.16 0.00 0.00 99.37 00:30:19 1 0.07 0.00 0.16 0.02 0.00 99.74 00:40:01 all 12.06 0.00 2.05 0.68 0.01 85.20 00:40:01 0 9.26 0.00 1.83 0.53 0.01 88.37 00:40:01 1 14.87 0.00 2.26 0.83 0.01 82.02 00:50:01 all 2.76 0.00 0.43 0.02 0.01 96.78 00:50:01 0 2.94 0.00 0.48 0.00 0.02 96.56 00:50:01 1 2.58 0.00 0.39 0.03 0.01 97.00 01:00:19 all 6.42 0.00 0.88 0.06 0.01 92.63 01:00:19 0 2.53 0.00 0.90 0.07 0.00 96.50 01:00:19 1 10.37 0.00 0.87 0.05 0.01 88.71 Average: all 3.71 0.00 0.64 0.13 0.01 95.52 Average: 0 2.65 0.00 0.61 0.10 0.01 96.63 Average: 1 4.76 0.00 0.66 0.16 0.01 94.42