---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29240 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 8.0G 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 790 5088 4 2355 7151 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:a2:0a:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82324sec preferred_lft 82324sec inet6 fe80::f816:3eff:fea2:aa2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29240) 06/22/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.99 0.27 1.59 0.13 31.79 76.61 1037.57 00:20:02 1.47 0.12 1.33 0.02 4.58 17.72 228.57 00:30:08 3.22 1.32 1.86 0.03 95.29 162.71 1.66 00:40:08 23.35 1.88 18.80 2.66 137.24 3474.47 1739.20 Average: 7.51 0.90 5.90 0.71 67.48 933.31 751.12 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6249288 7528972 291344 3.58 31320 1453592 727588 7.92 460900 1206052 172 00:20:02 6242428 7523004 297176 3.65 31640 1454064 529752 5.77 455708 1206316 240 00:30:08 5981132 7391440 421156 5.18 40804 1568160 643728 7.01 581092 1316824 58120 00:40:08 5235212 7342732 433912 5.34 88200 2187604 686692 7.48 671188 1950220 63824 Average: 5927015 7446537 360897 4.44 47991 1665855 646940 7.05 542222 1419853 30589 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.96 0.49 3.22 0.06 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.25 0.05 0.05 0.02 0.00 0.00 0.00 0.00 00:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 18.76 10.72 63.59 4.56 0.00 0.00 0.00 0.00 00:40:08 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 60.86 45.65 293.51 17.70 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.26 14.26 90.27 5.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29240) 06/22/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.41 0.00 0.13 0.02 0.02 99.42 00:10:08 0 0.63 0.00 0.14 0.03 0.02 99.19 00:10:08 1 0.19 0.00 0.12 0.02 0.03 99.65 00:20:02 all 0.47 0.00 0.21 0.01 0.03 99.29 00:20:02 0 0.58 0.00 0.21 0.01 0.02 99.18 00:20:02 1 0.35 0.00 0.21 0.02 0.03 99.40 00:30:08 all 1.30 0.00 0.34 0.05 0.02 98.29 00:30:08 0 1.01 0.00 0.34 0.06 0.02 98.56 00:30:08 1 1.58 0.00 0.34 0.03 0.03 98.02 00:40:08 all 16.71 0.00 1.71 0.57 0.06 80.95 00:40:08 0 19.95 0.00 1.65 0.61 0.07 77.72 00:40:08 1 13.47 0.00 1.77 0.53 0.06 84.18 Average: all 4.72 0.00 0.60 0.16 0.03 94.49 Average: 0 5.54 0.00 0.58 0.18 0.03 93.67 Average: 1 3.90 0.00 0.61 0.15 0.03 95.31