---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8209 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 785 5038 4 2416 7156 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:cb:a3:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81632sec preferred_lft 81632sec inet6 fe80::f816:3eff:fecb:a3d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8209) 03/23/26 _x86_64_ (2 CPU) 01:52:26 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:04 1.42 0.01 1.40 0.02 0.05 16.14 1.19 02:20:06 1.33 0.00 1.32 0.02 0.01 15.32 1.20 02:30:01 14.29 0.00 1.61 12.67 0.15 19.29 110896.51 02:40:06 1.30 0.00 1.28 0.02 0.00 15.29 1.31 02:50:06 15.66 13.54 2.06 0.07 151.12 44.57 10.56 03:00:01 19.36 2.99 14.64 1.72 226.21 2421.45 277.58 03:10:06 5.17 0.06 4.56 0.55 4.33 1019.53 240.94 Average: 8.32 2.37 3.82 2.13 54.20 504.95 15772.23 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:04 6244500 7519356 300452 3.69 30912 1449216 717456 7.81 462176 1200112 180 02:20:06 6243748 7519136 300632 3.70 31108 1449548 717536 7.82 462232 1200640 180 02:30:01 6240328 7516336 303340 3.73 31324 1449924 717544 7.82 462312 1201204 136 02:40:06 6240088 7516612 303044 3.73 31520 1450248 717540 7.82 462412 1201712 232 02:50:06 6188120 7521936 288608 3.55 35704 1495000 717540 7.82 463232 1249924 180 03:00:01 5294184 7449248 312616 3.84 87696 2222784 745396 8.12 553680 1984632 167588 03:10:06 5093204 7343148 399924 4.92 88924 2314328 865392 9.43 639860 2076792 372 Average: 5934882 7483682 315517 3.88 48170 1690150 742629 8.09 500843 1445002 24124 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.87 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.36 0.04 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 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.32 0.04 0.08 0.03 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 39.22 26.35 293.29 7.21 0.00 0.00 0.00 0.00 03:10:06 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 03:10:06 ens3 39.99 34.44 106.52 8.76 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 11.60 8.71 56.85 2.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8209) 03/23/26 _x86_64_ (2 CPU) 01:52:26 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:04 all 0.26 0.00 0.09 0.01 0.03 99.61 02:10:04 0 0.24 0.00 0.07 0.00 0.03 99.66 02:10:04 1 0.29 0.00 0.10 0.01 0.04 99.56 02:20:06 all 0.26 0.00 0.07 0.01 0.03 99.63 02:20:06 0 0.05 0.00 0.08 0.01 0.03 99.82 02:20:06 1 0.47 0.00 0.07 0.00 0.02 99.43 02:30:01 all 0.27 0.00 0.18 0.21 0.03 99.31 02:30:01 0 0.22 0.00 0.20 0.36 0.03 99.20 02:30:01 1 0.31 0.00 0.17 0.07 0.03 99.42 02:40:06 all 0.26 0.00 0.08 0.01 0.03 99.62 02:40:06 0 0.07 0.00 0.11 0.01 0.04 99.77 02:40:06 1 0.45 0.00 0.04 0.02 0.02 99.47 02:50:06 all 0.25 0.20 0.16 0.24 0.03 99.12 02:50:06 0 0.24 0.40 0.21 0.47 0.03 98.65 02:50:06 1 0.26 0.00 0.10 0.01 0.03 99.59 03:00:01 all 9.41 0.00 1.56 0.60 0.05 88.38 03:00:01 0 9.78 0.00 1.63 0.48 0.05 88.07 03:00:01 1 9.05 0.00 1.48 0.73 0.05 88.69 03:10:06 all 8.21 0.00 0.55 0.10 0.06 91.08 03:10:06 0 11.68 0.00 0.58 0.12 0.06 87.56 03:10:06 1 4.73 0.00 0.53 0.08 0.05 94.61 Average: all 2.70 0.03 0.38 0.17 0.04 96.69 Average: 0 3.18 0.06 0.41 0.21 0.04 96.11 Average: 1 2.21 0.00 0.35 0.13 0.03 97.27