---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-494 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 7.9G 30G 21% / 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 748 5215 4 2270 7192 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:c3:c5:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82088sec preferred_lft 82088sec inet6 fe80::f816:3eff:fec3:c53e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-494) 07/30/26 _x86_64_ (2 CPU) 01:46:08 LINUX RESTART (2 CPU) 01:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.51 0.03 1.47 0.02 1.29 18.12 903.58 02:10:01 1.23 0.01 1.21 0.01 0.05 14.87 1.08 02:20:13 1.76 0.25 1.49 0.02 30.37 74.57 0.78 02:30:00 1.43 0.00 1.42 0.01 0.00 17.78 889.20 02:40:00 1.19 0.00 1.19 0.00 0.00 14.76 0.00 02:50:01 14.09 1.44 11.83 0.82 106.10 2285.32 205.12 Average: 3.55 0.29 3.11 0.15 23.20 406.68 326.81 01:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6293912 7540588 280328 3.45 30600 1421784 521372 5.68 446408 1183376 148 02:10:01 6293912 7541148 279724 3.44 30820 1422112 521372 5.68 446372 1183932 240 02:20:13 6255160 7529740 290556 3.57 31196 1448756 722068 7.86 460952 1202160 228 02:30:00 6251548 7526672 293568 3.61 31380 1449048 722136 7.87 461356 1202656 152 02:40:00 6263220 7538844 281392 3.46 31540 1449376 722716 7.87 462636 1203152 124 02:50:01 5354168 7327312 453656 5.58 70116 2074728 902624 9.83 652608 1852028 59088 Average: 6118653 7500717 313204 3.85 37609 1544301 685381 7.47 488389 1304551 9997 01:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.65 0.04 0.08 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.35 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.84 0.46 3.23 0.06 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.48 0.13 0.18 0.11 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 6.26 3.78 4.14 3.45 0.00 0.00 0.00 0.00 02:50:01 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 35.11 23.91 276.13 9.78 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.32 4.75 47.59 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-494) 07/30/26 _x86_64_ (2 CPU) 01:46:08 LINUX RESTART (2 CPU) 01:50:21 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.27 0.00 0.18 0.01 0.03 99.51 02:00:00 0 0.27 0.00 0.18 0.01 0.02 99.51 02:00:00 1 0.27 0.00 0.18 0.01 0.03 99.51 02:10:01 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:01 0 0.43 0.00 0.06 0.01 0.02 99.49 02:10:01 1 0.06 0.00 0.09 0.02 0.03 99.80 02:20:13 all 0.35 0.00 0.11 2.29 0.03 97.22 02:20:13 0 0.33 0.00 0.11 4.54 0.03 94.99 02:20:13 1 0.37 0.00 0.10 0.04 0.03 99.46 02:30:00 all 0.31 0.00 0.17 0.01 0.03 99.49 02:30:00 0 0.39 0.00 0.16 0.01 0.02 99.41 02:30:00 1 0.23 0.00 0.18 0.01 0.03 99.56 02:40:00 all 0.30 0.00 0.10 0.18 0.03 99.38 02:40:00 0 0.41 0.00 0.10 0.04 0.02 99.43 02:40:00 1 0.20 0.00 0.11 0.32 0.03 99.34 02:50:01 all 5.98 0.00 0.86 0.46 0.03 92.66 02:50:01 0 9.68 0.00 1.09 0.63 0.03 88.57 02:50:01 1 2.27 0.00 0.63 0.30 0.04 96.77 Average: all 1.25 0.00 0.25 0.51 0.03 97.97 Average: 0 1.93 0.00 0.28 0.89 0.02 96.87 Average: 1 0.57 0.00 0.22 0.12 0.03 99.07