---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64938 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: 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 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 757 5296 4 2175 7184 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:83:35:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81126sec preferred_lft 81126sec inet6 fe80::f816:3eff:fe83:356d/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-64938) 04/01/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:23 1.64 0.01 1.62 0.02 0.05 19.04 436.53 01:10:05 1.34 0.00 1.32 0.02 0.00 15.16 1.24 01:20:15 1.44 0.00 1.42 0.02 0.01 16.62 1.18 01:30:23 1.55 0.00 1.53 0.02 0.00 18.58 431.44 01:40:05 1.89 0.32 1.54 0.03 40.21 74.44 1.44 01:50:23 21.40 2.95 16.29 2.16 221.18 3035.57 1363.78 02:00:05 1.70 0.01 1.68 0.02 0.59 36.78 0.48 Average: 4.52 0.48 3.70 0.34 38.37 473.97 327.46 00:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:23 6299144 7542584 278284 3.42 30188 1419572 529992 5.77 443312 1182820 132 01:10:05 6306312 7550264 270596 3.33 30372 1419896 529992 5.77 443528 1183328 224 01:20:15 6309400 7553896 266960 3.28 30576 1420228 530212 5.78 443808 1183864 172 01:30:23 6302664 7547712 273104 3.36 30788 1420556 530220 5.78 443992 1184404 136 01:40:05 6248232 7522108 298132 3.67 31176 1448624 728044 7.93 461452 1201668 252 01:50:23 5353016 7457100 314964 3.87 84536 2184320 759248 8.27 554956 1945168 2580 02:00:05 5240840 7347352 424708 5.22 84664 2186692 852876 9.29 614484 1947668 268 Average: 6008515 7503002 303821 3.74 46043 1642841 637226 6.94 486505 1404131 538 00:50:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:23 ens3 0.73 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 1.61 0.08 8.54 0.06 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 1.23 0.10 0.34 0.06 0.00 0.00 0.00 0.00 01:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:23 ens3 0.46 0.06 0.10 0.04 0.00 0.00 0.00 0.00 01:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 1.01 0.48 3.32 0.87 0.00 0.00 0.00 0.00 01:50:23 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:23 ens3 50.89 35.24 288.37 10.14 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 12.43 8.91 38.50 1.30 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.97 6.55 49.70 1.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64938) 04/01/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:23 CPU %user %nice %system %iowait %steal %idle 01:00:23 all 0.25 0.00 0.16 0.01 0.04 99.54 01:00:23 0 0.14 0.00 0.17 0.00 0.04 99.65 01:00:23 1 0.36 0.00 0.15 0.02 0.04 99.43 01:10:05 all 0.25 0.00 0.08 0.01 0.04 99.63 01:10:05 0 0.05 0.00 0.08 0.00 0.04 99.82 01:10:05 1 0.44 0.00 0.07 0.02 0.04 99.43 01:20:15 all 0.22 0.00 0.07 0.01 0.04 99.65 01:20:15 0 0.06 0.00 0.08 0.02 0.04 99.80 01:20:15 1 0.38 0.00 0.07 0.00 0.04 99.51 01:30:23 all 0.26 0.00 0.14 0.01 0.04 99.55 01:30:23 0 0.07 0.00 0.17 0.01 0.04 99.71 01:30:23 1 0.44 0.00 0.12 0.01 0.04 99.39 01:40:05 all 0.38 0.00 0.11 0.03 0.04 99.44 01:40:05 0 0.20 0.00 0.12 0.03 0.05 99.60 01:40:05 1 0.57 0.00 0.09 0.03 0.04 99.28 01:50:23 all 10.22 0.00 1.57 0.60 0.05 87.56 01:50:23 0 8.37 0.00 1.41 0.67 0.05 89.51 01:50:23 1 12.07 0.00 1.74 0.53 0.06 85.60 02:00:05 all 1.03 0.00 0.28 0.01 0.07 98.60 02:00:05 0 1.08 0.00 0.24 0.02 0.06 98.60 02:00:05 1 0.99 0.00 0.32 0.01 0.09 98.59 Average: all 1.85 0.00 0.35 0.10 0.05 97.65 Average: 0 1.46 0.00 0.33 0.11 0.05 98.05 Average: 1 2.23 0.00 0.37 0.09 0.05 97.25