---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19644 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 8.3G 30G 22% / 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 752 4826 4 2666 7189 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:de:f5:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82779sec preferred_lft 82779sec inet6 fe80::f816:3eff:fede:f5fb/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-19644) 05/25/26 _x86_64_ (2 CPU) 00:35:37 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:29 2.03 0.27 1.72 0.05 31.25 120.76 2.54 01:00:31 1.52 0.01 1.46 0.04 1.10 19.51 1.37 01:10:01 16.53 14.25 2.19 0.09 158.60 323.03 8.98 01:20:27 1.50 0.00 1.47 0.03 0.01 273.84 0.87 01:30:31 1.51 0.00 1.48 0.03 0.00 19.64 0.36 Average: 4.44 2.74 1.65 0.05 36.53 150.17 2.74 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:29 4988548 7181428 586648 7.21 85584 2268324 1022624 11.14 788412 2030436 176 01:00:31 4960500 7154428 613536 7.54 85776 2269160 864384 9.41 804144 2031144 168 01:10:01 4874932 7204912 553056 6.80 89212 2392576 827424 9.01 769144 2157384 316 01:20:27 4646832 7058896 697676 8.58 89424 2473300 957784 10.43 899820 2238332 132 01:30:31 4617164 7030016 726572 8.93 89616 2473888 920660 10.03 862664 2238984 228 Average: 4817595 7125936 635498 7.81 87922 2375450 918575 10.01 824837 2139256 204 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:29 ens3 35.66 32.55 523.21 2.37 0.00 0.00 0.00 0.00 01:00:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:31 ens3 81.83 77.81 1280.06 5.11 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 29.58 27.96 452.83 1.89 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 34.31 32.10 520.45 2.17 0.00 0.00 0.00 0.00 01:30:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:31 ens3 8.69 8.16 134.16 0.59 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 38.02 35.72 582.07 2.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19644) 05/25/26 _x86_64_ (2 CPU) 00:35:37 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:29 all 0.90 0.00 0.31 0.02 0.03 98.74 00:50:29 0 0.77 0.00 0.32 0.01 0.04 98.85 00:50:29 1 1.02 0.00 0.30 0.03 0.03 98.62 01:00:31 all 1.09 0.00 0.66 0.01 0.04 98.21 01:00:31 0 1.15 0.00 0.66 0.00 0.03 98.16 01:00:31 1 1.03 0.00 0.66 0.01 0.05 98.25 01:10:01 all 0.81 0.19 0.36 0.17 0.04 98.43 01:10:01 0 0.98 0.04 0.35 0.03 0.04 98.58 01:10:01 1 0.64 0.35 0.38 0.30 0.04 98.28 01:20:27 all 0.82 0.00 0.26 0.02 0.04 98.87 01:20:27 0 0.65 0.00 0.13 0.02 0.02 99.16 01:20:27 1 0.99 0.00 0.38 0.01 0.05 98.58 01:30:31 all 0.51 0.00 0.28 0.01 0.03 99.16 01:30:31 0 0.47 0.00 0.37 0.00 0.04 99.12 01:30:31 1 0.56 0.00 0.20 0.01 0.03 99.21 Average: all 0.83 0.04 0.37 0.04 0.04 98.69 Average: 0 0.80 0.01 0.36 0.01 0.04 98.78 Average: 1 0.85 0.07 0.38 0.07 0.04 98.59