---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7885 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 774 5095 4 2374 7167 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:e2:04:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6035sec preferred_lft 6035sec inet6 fe80::f816:3eff:fee2:4af/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-7885) 09/14/26 _x86_64_ (2 CPU) 00:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.66 0.02 1.63 0.01 0.86 19.81 5.29 00:20:12 1.65 0.10 1.52 0.03 3.00 21.96 252.92 00:30:16 1.57 0.00 1.55 0.03 0.00 17.91 0.44 00:40:01 27.99 2.89 22.77 2.33 227.67 3554.75 934.93 00:50:16 1.63 0.00 1.62 0.00 0.00 30.77 0.04 Average: 6.77 0.59 5.71 0.47 45.15 711.08 234.83 00:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6102588 7512640 295716 3.64 54480 1552328 735752 8.01 473812 1322380 276 00:20:12 6125544 7496680 311604 3.83 54652 1513184 733936 7.99 472344 1283192 256 00:30:16 6128700 7500316 307860 3.79 54792 1513512 733936 7.99 472576 1283660 220 00:40:01 5098896 7401308 354288 4.36 106112 2348080 829900 9.04 596380 2124484 2236 00:50:16 5050224 7354608 401044 4.93 106204 2349980 860968 9.38 618768 2126492 400 Average: 5701190 7453110 334102 4.11 75248 1855417 778898 8.48 526776 1628042 678 00:00:12 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 0.42 0.26 0.09 1.34 0.00 0.00 0.00 0.00 00:20:12 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:12 ens3 0.20 0.07 0.06 0.02 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.51 0.13 0.16 0.09 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 75.03 50.17 330.07 12.06 0.00 0.00 0.00 0.00 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 10.63 7.95 70.46 1.01 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.03 11.50 78.81 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7885) 09/14/26 _x86_64_ (2 CPU) 00:00:12 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.15 0.01 0.00 99.58 00:10:01 0 0.37 0.00 0.13 0.02 0.00 99.48 00:10:01 1 0.15 0.00 0.16 0.01 0.01 99.67 00:20:12 all 0.68 0.00 0.24 0.01 0.04 99.03 00:20:12 0 0.75 0.00 0.29 0.01 0.05 98.90 00:20:12 1 0.61 0.00 0.19 0.01 0.03 99.16 00:30:16 all 0.28 0.00 0.19 0.01 0.03 99.49 00:30:16 0 0.08 0.00 0.20 0.00 0.04 99.68 00:30:16 1 0.48 0.00 0.17 0.01 0.02 99.31 00:40:01 all 14.97 0.00 2.07 0.68 0.09 82.19 00:40:01 0 13.62 0.00 2.12 0.42 0.09 83.75 00:40:01 1 16.32 0.00 2.01 0.94 0.09 80.64 00:50:16 all 0.80 0.00 0.25 0.04 0.02 98.90 00:50:16 0 0.66 0.00 0.19 0.00 0.01 99.12 00:50:16 1 0.94 0.00 0.30 0.07 0.02 98.67 Average: all 3.33 0.00 0.57 0.15 0.04 95.92 Average: 0 3.03 0.00 0.58 0.09 0.04 96.26 Average: 1 3.63 0.00 0.56 0.20 0.03 95.58