---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7944 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 782 5271 4 2175 7159 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:46:aa:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82160sec preferred_lft 82160sec inet6 fe80::f816:3eff:fe46:aab4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7944) 03/22/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:14 13.89 0.03 1.56 12.30 1.00 19.55 107300.88 00:20:14 1.65 0.11 1.52 0.02 3.48 18.81 424.03 00:30:01 1.48 0.00 1.47 0.01 0.00 17.47 446.11 00:40:04 22.14 3.01 16.95 2.19 226.85 3103.32 737.88 00:50:34 1.98 0.30 1.64 0.04 38.16 76.74 1.22 Average: 8.24 0.69 4.61 2.94 53.96 644.56 22003.68 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:14 6298908 7546992 273432 3.36 30912 1422856 532616 5.80 446496 1184104 176 00:20:14 6285192 7534192 286084 3.52 31236 1423372 531844 5.79 446920 1184732 164 00:30:01 6283748 7533256 286956 3.53 31404 1423700 531912 5.79 447100 1185232 264 00:40:04 5289836 7366420 405848 4.99 84752 2156424 662956 7.22 616764 1925644 256 00:50:34 5239632 7346368 425732 5.23 85048 2186188 664784 7.24 621804 1944332 224 Average: 5879463 7465446 335610 4.13 52670 1722508 584822 6.37 515817 1484809 217 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:14 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:10:14 ens3 0.36 0.03 0.05 0.01 0.00 0.00 0.00 0.00 00:20:14 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:14 ens3 0.38 0.07 0.09 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.43 0.07 0.11 0.05 0.00 0.00 0.00 0.00 00:40:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 68.18 48.41 306.43 12.15 0.00 0.00 0.00 0.00 00:50:34 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:34 ens3 11.66 8.79 60.37 0.95 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.22 11.49 73.57 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7944) 03/22/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:14 all 0.27 0.00 0.12 0.03 0.03 99.56 00:10:14 0 0.08 0.00 0.13 0.04 0.03 99.71 00:10:14 1 0.46 0.00 0.10 0.01 0.02 99.41 00:20:14 all 0.50 0.00 0.19 0.01 0.03 99.27 00:20:14 0 0.31 0.00 0.20 0.01 0.03 99.44 00:20:14 1 0.69 0.00 0.18 0.01 0.03 99.09 00:30:01 all 0.29 0.00 0.16 0.01 0.03 99.52 00:30:01 0 0.08 0.00 0.17 0.01 0.04 99.70 00:30:01 1 0.49 0.00 0.14 0.01 0.03 99.34 00:40:04 all 10.86 0.00 1.67 0.50 0.06 86.92 00:40:04 0 12.82 0.00 1.94 0.52 0.06 84.66 00:40:04 1 8.90 0.00 1.39 0.48 0.06 89.17 00:50:34 all 0.94 0.00 0.22 0.02 0.06 98.75 00:50:34 0 1.01 0.00 0.21 0.02 0.06 98.70 00:50:34 1 0.87 0.00 0.23 0.03 0.07 98.80 Average: all 2.56 0.00 0.47 0.11 0.04 96.81 Average: 0 2.85 0.00 0.53 0.12 0.04 96.45 Average: 1 2.27 0.00 0.41 0.11 0.04 97.17