---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29317 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 770 5015 4 2448 7171 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:24:d4:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81673sec preferred_lft 81673sec inet6 fe80::f816:3eff:fe24:d464/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29317) 06/22/26 _x86_64_ (2 CPU) 01:47:22 LINUX RESTART (2 CPU) 01:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:07 14.37 0.03 1.77 12.57 2.44 21.58 109969.97 02:10:07 1.46 0.01 1.44 0.02 0.05 16.55 1.20 02:20:08 1.35 0.00 1.33 0.02 0.01 15.76 1.20 02:30:08 1.71 0.00 1.68 0.03 0.00 19.81 654.20 02:40:07 1.54 0.00 1.52 0.02 0.00 18.35 219.37 02:50:08 1.36 0.00 1.34 0.02 0.00 15.76 1.20 03:00:07 23.69 3.01 18.36 2.32 227.96 3628.98 501.10 Average: 6.49 0.44 3.92 2.14 32.88 533.08 15911.59 01:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:07 6260788 7535236 285076 3.51 30836 1448924 520460 5.67 452912 1200640 200 02:10:07 6268376 7543372 276976 3.41 31044 1449252 520628 5.67 452976 1201184 124 02:20:08 6277768 7553320 267024 3.28 31264 1449580 520712 5.67 453076 1201732 212 02:30:08 6274780 7550876 269424 3.31 31464 1449912 520712 5.67 453120 1202264 180 02:40:07 6266492 7543308 276956 3.41 31720 1450368 520712 5.67 453288 1202848 156 02:50:08 6273324 7550676 269584 3.31 31920 1450696 520712 5.67 455040 1203376 184 03:00:07 5100396 7351584 415632 5.11 87076 2324032 691764 7.53 649548 2086308 388 Average: 6103132 7518339 294382 3.62 39332 1574681 545100 5.94 481423 1328336 206 01:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 1.02 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.55 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.42 0.04 1.73 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.30 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.29 0.07 0.07 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 0.40 0.10 0.13 0.07 0.00 0.00 0.00 0.00 03:00:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:07 ens3 86.48 58.47 365.70 15.34 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 12.76 8.40 52.48 2.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29317) 06/22/26 _x86_64_ (2 CPU) 01:47:22 LINUX RESTART (2 CPU) 01:50:07 CPU %user %nice %system %iowait %steal %idle 02:00:07 all 0.31 0.00 0.20 0.03 0.02 99.44 02:00:07 0 0.26 0.00 0.18 0.02 0.02 99.52 02:00:07 1 0.36 0.00 0.21 0.05 0.02 99.36 02:10:07 all 0.28 0.00 0.08 0.01 0.02 99.62 02:10:07 0 0.50 0.00 0.05 0.01 0.01 99.44 02:10:07 1 0.07 0.00 0.11 0.01 0.02 99.80 02:20:08 all 0.26 0.00 0.07 0.01 0.01 99.64 02:20:08 0 0.45 0.00 0.06 0.01 0.01 99.46 02:20:08 1 0.07 0.00 0.09 0.00 0.02 99.82 02:30:08 all 0.29 0.00 0.17 0.02 0.02 99.51 02:30:08 0 0.41 0.00 0.16 0.00 0.01 99.41 02:30:08 1 0.16 0.00 0.18 0.04 0.02 99.60 02:40:07 all 0.24 0.00 0.09 0.01 0.02 99.64 02:40:07 0 0.33 0.00 0.10 0.01 0.02 99.55 02:40:07 1 0.16 0.00 0.09 0.01 0.02 99.72 02:50:08 all 0.32 0.00 0.08 0.01 0.01 99.58 02:50:08 0 0.55 0.00 0.06 0.00 0.01 99.37 02:50:08 1 0.08 0.00 0.10 0.01 0.02 99.79 03:00:07 all 17.51 0.00 1.94 0.56 0.07 79.93 03:00:07 0 17.47 0.00 1.66 0.65 0.07 80.15 03:00:07 1 17.56 0.00 2.21 0.47 0.07 79.70 Average: all 2.74 0.00 0.37 0.09 0.02 96.77 Average: 0 2.84 0.00 0.32 0.10 0.02 96.71 Average: 1 2.63 0.00 0.42 0.08 0.02 96.84