---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8199 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 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 756 5301 4 2172 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:82:8f:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82164sec preferred_lft 82164sec inet6 fe80::f816:3eff:fe82:8fa1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8199) 03/23/26 _x86_64_ (2 CPU) 01:52:19 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.94 0.32 1.60 0.02 39.72 72.70 0.73 02:20:07 1.26 0.00 1.24 0.02 0.01 14.99 1.20 02:30:01 1.38 0.00 1.35 0.03 0.00 16.85 1.55 02:40:08 13.75 0.00 1.32 12.43 0.15 16.01 107901.77 02:50:08 1.20 0.00 1.18 0.02 0.00 14.66 1.20 03:00:01 22.36 3.06 17.04 2.26 230.60 3023.21 604.34 Average: 6.96 0.56 3.92 2.48 44.65 520.03 18288.71 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 6224524 7503200 316640 3.89 30892 1453252 530820 5.78 458164 1204064 144 02:20:07 6231832 7511060 308816 3.80 31112 1453576 530820 5.78 458220 1204608 132 02:30:01 6232040 7511812 308020 3.79 31304 1453912 530976 5.78 458284 1205136 244 02:40:08 6231816 7512180 307588 3.78 31512 1454292 531104 5.78 458368 1205688 148 02:50:08 6247216 7528240 291520 3.58 31720 1454736 531104 5.78 458404 1206212 176 03:00:01 5342504 7449636 322100 3.96 84976 2186524 572120 6.23 556060 1945732 29476 Average: 6084989 7502688 309114 3.80 40253 1576049 537824 5.86 474583 1328573 5053 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 1.11 0.26 3.05 0.03 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.36 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.11 0.11 0.00 0.00 0.00 0.00 03:00:01 ens3 60.26 41.04 298.88 11.12 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.30 6.82 49.72 1.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8199) 03/23/26 _x86_64_ (2 CPU) 01:52:19 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.33 0.00 0.12 0.03 0.02 99.51 02:10:07 0 0.41 0.00 0.10 0.02 0.01 99.45 02:10:07 1 0.26 0.00 0.14 0.03 0.02 99.56 02:20:07 all 0.23 0.00 0.07 0.01 0.02 99.66 02:20:07 0 0.41 0.00 0.06 0.02 0.02 99.50 02:20:07 1 0.06 0.00 0.09 0.01 0.02 99.83 02:30:01 all 0.27 0.00 0.17 0.03 0.02 99.50 02:30:01 0 0.28 0.00 0.17 0.02 0.02 99.52 02:30:01 1 0.27 0.00 0.17 0.05 0.02 99.49 02:40:08 all 0.26 0.00 0.08 0.04 0.02 99.60 02:40:08 0 0.06 0.00 0.11 0.07 0.02 99.74 02:40:08 1 0.45 0.00 0.06 0.01 0.02 99.46 02:50:08 all 0.25 0.00 0.07 0.02 0.02 99.65 02:50:08 0 0.06 0.00 0.09 0.01 0.02 99.82 02:50:08 1 0.44 0.00 0.05 0.02 0.01 99.47 03:00:01 all 11.24 0.00 1.76 0.65 0.04 86.31 03:00:01 0 8.32 0.00 1.64 0.77 0.04 89.23 03:00:01 1 14.15 0.00 1.87 0.53 0.04 83.41 Average: all 2.07 0.00 0.37 0.13 0.02 97.40 Average: 0 1.57 0.00 0.36 0.15 0.02 97.90 Average: 1 2.57 0.00 0.39 0.11 0.02 96.91