---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8828 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 8.1G 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 804 4961 4 2478 7137 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:bb:8e:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7068sec preferred_lft 7068sec inet6 fe80::f816:3eff:febb:8e88/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8828) 09/18/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.77 0.02 1.74 0.01 0.83 20.64 423.39 00:20:01 27.14 3.13 21.58 2.44 233.23 3604.32 1721.93 00:30:01 1.81 0.00 1.79 0.02 0.00 63.03 0.32 00:40:08 3.97 0.04 3.21 0.72 1.45 422.64 1944.91 Average: 8.58 0.78 7.01 0.79 57.98 1014.69 1021.17 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6093916 7507668 300728 3.70 57076 1553408 732468 7.98 475440 1324944 336 00:20:01 5069324 7382268 373412 4.59 108884 2355732 836820 9.11 616828 2133612 256 00:30:01 5051060 7377032 378372 4.65 108988 2368676 847916 9.24 619396 2146636 504 00:40:08 5107684 7324488 439664 5.41 109904 2266348 881380 9.60 674104 2045060 22984 Average: 5330496 7397864 373044 4.59 96213 2136041 824646 8.98 596442 1912563 6020 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.31 0.08 0.09 0.05 0.00 0.00 0.00 0.00 00:20:01 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 00:20:01 ens3 82.82 63.50 330.59 13.77 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 36.81 31.07 8.22 4.45 0.00 0.00 0.00 0.00 00:40:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:40:08 ens3 43.10 39.74 27.03 20.73 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 40.52 33.43 90.26 9.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8828) 09/18/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.28 0.00 0.17 0.01 0.01 99.54 00:10:08 0 0.06 0.00 0.19 0.00 0.01 99.73 00:10:08 1 0.50 0.00 0.14 0.01 0.01 99.34 00:20:01 all 13.86 0.00 2.41 0.54 0.02 83.17 00:20:01 0 20.14 0.00 2.71 0.57 0.02 76.55 00:20:01 1 7.69 0.00 2.11 0.50 0.02 89.68 00:30:01 all 3.48 0.00 0.68 0.01 0.02 95.80 00:30:01 0 2.49 0.00 0.68 0.00 0.02 96.80 00:30:01 1 4.49 0.00 0.67 0.02 0.02 94.79 00:40:08 all 7.04 0.00 0.86 0.06 0.02 92.01 00:40:08 0 6.74 0.00 0.85 0.03 0.02 92.36 00:40:08 1 7.34 0.00 0.88 0.10 0.02 91.66 Average: all 6.12 0.00 1.02 0.15 0.02 92.69 Average: 0 7.25 0.00 1.09 0.15 0.02 91.48 Average: 1 4.99 0.00 0.95 0.16 0.02 93.89