---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4422 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 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 795 5162 4 2272 7146 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:87:2e:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83503sec preferred_lft 83503sec inet6 fe80::f816:3eff:fe87:2e74/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4422) 04/19/26 _x86_64_ (2 CPU) 00:16:09 LINUX RESTART (2 CPU) 00:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.67 0.03 1.63 0.02 1.28 19.62 676.65 00:40:01 22.28 3.03 17.02 2.22 228.27 3105.38 717.09 00:50:14 1.48 0.00 1.47 0.01 0.00 59.46 0.85 01:00:01 1.57 0.00 1.55 0.02 0.35 100.21 0.78 Average: 6.79 0.77 5.45 0.57 57.95 827.76 346.01 00:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6275084 7521148 299376 3.68 30596 1421116 529984 5.77 448792 1183164 124 00:40:01 5337524 7417476 354708 4.36 84260 2160016 628188 6.84 585864 1930172 912 00:50:14 5319112 7410652 361612 4.45 84436 2171572 651512 7.10 592888 1941856 356 01:00:01 5283004 7398184 374000 4.60 84612 2195012 647112 7.05 596308 1965392 276 Average: 5553681 7436865 347424 4.27 70976 1986929 614199 6.69 555963 1755146 417 00:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.78 0.09 0.11 0.04 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 63.61 45.28 299.71 11.67 0.00 0.00 0.00 0.00 00:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 34.91 28.17 7.47 3.81 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 43.27 42.11 10.19 6.16 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 35.90 29.08 80.03 5.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4422) 04/19/26 _x86_64_ (2 CPU) 00:16:09 LINUX RESTART (2 CPU) 00:20:21 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.29 0.00 0.17 0.01 0.04 99.48 00:30:01 0 0.23 0.00 0.16 0.01 0.04 99.56 00:30:01 1 0.35 0.00 0.19 0.02 0.04 99.40 00:40:01 all 11.25 0.00 1.67 0.59 0.05 86.44 00:40:01 0 11.48 0.00 1.71 0.65 0.05 86.10 00:40:01 1 11.02 0.00 1.62 0.53 0.05 86.77 00:50:14 all 6.21 0.00 0.43 0.01 0.08 93.27 00:50:14 0 4.26 0.00 0.40 0.01 0.07 95.25 00:50:14 1 8.14 0.00 0.45 0.01 0.09 91.30 01:00:01 all 8.39 0.00 0.61 0.03 0.08 90.89 01:00:01 0 8.81 0.00 0.63 0.05 0.08 90.43 01:00:01 1 7.98 0.00 0.59 0.01 0.08 91.34 Average: all 6.57 0.00 0.72 0.16 0.06 92.48 Average: 0 6.22 0.00 0.73 0.18 0.06 92.81 Average: 1 6.93 0.00 0.72 0.15 0.07 92.14