---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11183 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 8.1G 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 763 5088 4 2380 7178 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:37:23:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82672sec preferred_lft 82672sec inet6 fe80::f816:3eff:fe37:23d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11183) 05/06/26 _x86_64_ (2 CPU) 00:40:02 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.55 0.01 1.51 0.03 0.05 19.93 1.43 01:10:04 15.20 0.25 1.49 13.45 31.12 87.99 106771.09 01:20:04 1.43 0.00 1.39 0.03 0.01 240.22 3.09 01:30:04 1.55 0.00 1.51 0.04 0.00 91.57 2.35 01:40:04 1.35 0.00 1.34 0.02 0.00 16.55 1.09 Average: 4.21 0.05 1.45 2.71 6.24 91.25 21356.17 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 5126044 7214592 556964 6.85 84092 2169084 782000 8.52 720776 1938276 260 01:10:04 5148276 7267516 503800 6.19 84376 2199372 974164 10.61 716824 1960080 300 01:20:04 5032664 7225300 545136 6.70 84592 2271716 1022528 11.14 764952 2032648 5220 01:30:04 4895252 7105348 664740 8.17 84756 2288764 1115116 12.15 857956 2049844 368 01:40:04 4963072 7173892 596180 7.33 84944 2289304 1052968 11.47 795668 2050432 248 Average: 5033062 7197330 573364 7.05 84552 2243648 989355 10.78 771235 2006256 1279 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 27.51 26.12 459.01 1.75 0.00 0.00 0.00 0.00 01:10:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 72.13 69.76 1182.36 4.60 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 23.77 22.70 385.30 1.57 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 24.51 23.56 400.70 1.58 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 11.58 10.76 177.23 0.76 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 31.90 30.58 520.92 2.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11183) 05/06/26 _x86_64_ (2 CPU) 00:40:02 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.68 0.00 0.41 0.02 0.05 98.84 01:00:04 0 0.66 0.00 0.31 0.02 0.04 98.98 01:00:04 1 0.70 0.00 0.51 0.02 0.07 98.70 01:10:04 all 1.23 0.00 0.62 0.04 0.06 98.05 01:10:04 0 1.09 0.00 0.60 0.06 0.06 98.19 01:10:04 1 1.37 0.00 0.64 0.02 0.06 97.91 01:20:04 all 0.82 0.00 0.23 0.02 0.05 98.89 01:20:04 0 0.86 0.00 0.28 0.02 0.06 98.78 01:20:04 1 0.78 0.00 0.18 0.02 0.04 98.99 01:30:04 all 0.72 0.00 0.36 0.01 0.05 98.86 01:30:04 0 0.78 0.00 0.37 0.01 0.05 98.79 01:30:04 1 0.66 0.00 0.35 0.00 0.06 98.93 01:40:04 all 0.48 0.00 0.20 0.01 0.06 99.26 01:40:04 0 0.53 0.00 0.13 0.01 0.04 99.30 01:40:04 1 0.42 0.00 0.27 0.01 0.08 99.22 Average: all 0.78 0.00 0.37 0.02 0.05 98.78 Average: 0 0.78 0.00 0.34 0.02 0.05 98.81 Average: 1 0.79 0.00 0.39 0.01 0.06 98.75