---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35638 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 8.0G 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 759 5191 4 2283 7181 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:7e:a9:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81534sec preferred_lft 81534sec inet6 fe80::f816:3eff:fe7e:a91b/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-35638) 07/14/26 _x86_64_ (2 CPU) 02:07:43 LINUX RESTART (2 CPU) 02:10:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:29 1.37 0.03 1.35 0.00 1.25 15.93 0.12 02:30:01 1.57 0.01 1.54 0.02 0.06 18.38 458.33 02:40:29 1.84 0.24 1.58 0.02 29.59 73.29 1.20 02:50:29 1.40 0.01 1.39 0.00 1.05 16.63 0.05 03:00:01 1.49 0.00 1.48 0.01 0.00 17.85 0.28 03:10:29 1.41 0.00 1.41 0.00 0.00 17.61 0.08 03:20:28 2.69 1.32 1.35 0.01 96.15 107.62 0.23 Average: 1.68 0.23 1.44 0.01 18.46 38.52 62.70 02:10:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:29 6293120 7540236 280420 3.45 30648 1422172 532296 5.80 447944 1183240 224 02:30:01 6284908 7532604 287904 3.54 30856 1422500 532244 5.80 448088 1183776 124 02:40:29 6230436 7505392 314524 3.87 31252 1448984 734484 8.00 464304 1201888 152 02:50:29 6233944 7509724 310268 3.82 31428 1449616 535076 5.83 459292 1202388 132 03:00:01 6240100 7516500 303428 3.73 31580 1450072 535228 5.83 459552 1202868 272 03:10:29 6252580 7529524 290376 3.57 31784 1450404 535228 5.83 459628 1203404 136 03:20:28 6077588 7438372 376916 4.63 38872 1523192 632780 6.89 576460 1270780 27728 Average: 6230382 7510336 309119 3.80 32346 1452420 576762 6.28 473610 1206906 4110 02:10:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 1.34 0.10 0.25 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.39 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:29 ens3 0.98 0.48 3.79 0.06 0.00 0.00 0.00 0.00 02:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:29 ens3 0.30 0.07 0.09 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.33 0.12 0.13 0.06 0.00 0.00 0.00 0.00 03:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:29 ens3 0.16 0.02 0.03 0.01 0.00 0.00 0.00 0.00 03:20:28 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:20:28 ens3 22.10 11.77 50.96 4.57 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.65 1.80 7.90 0.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35638) 07/14/26 _x86_64_ (2 CPU) 02:07:43 LINUX RESTART (2 CPU) 02:10:28 CPU %user %nice %system %iowait %steal %idle 02:20:29 all 0.29 0.00 0.08 0.29 0.02 99.32 02:20:29 0 0.47 0.00 0.06 0.54 0.02 98.90 02:20:29 1 0.11 0.00 0.09 0.04 0.02 99.73 02:30:01 all 0.30 0.00 0.17 0.10 0.02 99.41 02:30:01 0 0.49 0.00 0.15 0.08 0.02 99.25 02:30:01 1 0.10 0.00 0.20 0.12 0.02 99.57 02:40:29 all 0.42 0.00 0.12 0.09 0.02 99.35 02:40:29 0 0.44 0.00 0.09 0.05 0.02 99.40 02:40:29 1 0.40 0.00 0.15 0.12 0.02 99.31 02:50:29 all 0.27 0.00 0.08 0.22 0.02 99.41 02:50:29 0 0.35 0.00 0.08 0.09 0.02 99.46 02:50:29 1 0.20 0.00 0.08 0.35 0.02 99.36 03:00:01 all 0.27 0.00 0.17 0.05 0.02 99.49 03:00:01 0 0.09 0.00 0.18 0.10 0.02 99.61 03:00:01 1 0.44 0.00 0.16 0.01 0.02 99.38 03:10:29 all 0.26 0.00 0.10 0.10 0.02 99.52 03:10:29 0 0.44 0.00 0.08 0.15 0.02 99.31 03:10:29 1 0.07 0.00 0.11 0.06 0.02 99.73 03:20:28 all 1.02 0.00 0.23 0.09 0.02 98.64 03:20:28 0 1.37 0.00 0.25 0.08 0.02 98.28 03:20:28 1 0.67 0.00 0.20 0.11 0.02 99.00 Average: all 0.40 0.00 0.13 0.14 0.02 99.31 Average: 0 0.52 0.00 0.13 0.16 0.02 99.17 Average: 1 0.28 0.00 0.14 0.11 0.02 99.44