---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29874 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: 5599.94 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 8.2G 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 756 4992 4 2484 7185 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:56:5f:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82768sec preferred_lft 82768sec inet6 fe80::f816:3eff:fe56:5fea/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-29874) 03/25/26 _x86_64_ (2 CPU) 00:38:39 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 16.98 1.68 13.37 1.92 128.91 2462.81 499.46 01:00:06 14.99 0.01 1.53 13.44 0.20 19.41 106866.52 01:10:01 1.25 0.00 1.24 0.01 0.00 175.48 0.28 01:20:06 1.46 0.00 1.44 0.02 0.01 331.20 0.15 01:30:06 1.42 0.00 1.41 0.02 0.00 21.47 0.23 Average: 7.23 0.34 3.81 3.08 25.96 604.72 21446.45 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 5111112 7186828 585832 7.20 83848 2156776 810088 8.82 758328 1926208 180 01:00:06 5193740 7270096 502296 6.18 84008 2157248 729492 7.95 677916 1926816 232 01:10:01 5160592 7285600 486536 5.98 84176 2205552 761400 8.29 693832 1975268 188 01:20:06 4922456 7144436 626136 7.70 84332 2301036 904336 9.85 836736 2070920 252 01:30:06 4902768 7126244 644268 7.92 84496 2302336 895524 9.75 828252 2072392 224 Average: 5058134 7202641 569014 7.00 84172 2224590 820168 8.93 759013 1994321 215 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 00:50:06 ens3 64.31 51.24 583.85 8.01 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 34.99 32.90 533.41 2.18 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 78.19 75.22 1217.30 4.95 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 25.80 24.97 402.44 1.71 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 22.00 19.91 319.96 1.35 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 45.01 40.79 610.13 3.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29874) 03/25/26 _x86_64_ (2 CPU) 00:38:39 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 7.99 0.00 1.34 0.97 0.06 89.64 00:50:06 0 9.21 0.00 1.45 0.64 0.05 88.65 00:50:06 1 6.76 0.00 1.23 1.30 0.07 90.63 01:00:06 all 0.63 0.00 0.39 0.03 0.07 98.88 01:00:06 0 0.62 0.00 0.38 0.01 0.07 98.92 01:00:06 1 0.64 0.00 0.39 0.05 0.07 98.84 01:10:01 all 1.12 0.00 0.52 0.01 0.08 98.27 01:10:01 0 0.86 0.00 0.25 0.01 0.06 98.82 01:10:01 1 1.39 0.00 0.79 0.01 0.09 97.72 01:20:06 all 0.76 0.00 0.20 0.02 0.07 98.95 01:20:06 0 0.93 0.00 0.25 0.02 0.09 98.72 01:20:06 1 0.60 0.00 0.14 0.02 0.06 99.18 01:30:06 all 0.59 0.00 0.31 0.01 0.07 99.02 01:30:06 0 0.80 0.00 0.39 0.01 0.08 98.73 01:30:06 1 0.38 0.00 0.23 0.02 0.07 99.30 Average: all 2.23 0.00 0.55 0.21 0.07 96.94 Average: 0 2.49 0.00 0.54 0.14 0.07 96.75 Average: 1 1.96 0.00 0.56 0.28 0.07 97.13