---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15673 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 771 5092 4 2368 7170 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:44:d2:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81785sec preferred_lft 81785sec inet6 fe80::f816:3eff:fe44:d2d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15673) 05/16/26 _x86_64_ (2 CPU) 01:47:52 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 1.45 0.03 1.41 0.02 1.24 17.63 871.80 02:10:08 13.79 0.01 1.24 12.53 0.20 15.51 109188.19 02:20:08 1.18 0.00 1.16 0.02 0.01 14.67 1.21 02:30:08 1.59 0.00 1.56 0.03 0.00 18.73 872.75 02:40:08 1.39 0.00 1.38 0.02 0.00 16.52 1.20 02:50:08 2.35 0.66 1.67 0.03 47.81 106.76 1.39 03:00:08 22.53 2.63 17.66 2.24 212.92 3341.30 500.06 Average: 6.33 0.47 3.72 2.13 37.46 504.45 15919.48 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 6272072 7522700 297588 3.66 30608 1425852 528024 5.75 439852 1187220 164 02:10:08 6279660 7530884 289268 3.56 30824 1426228 528024 5.75 439928 1187784 140 02:20:08 6308912 7560680 259456 3.19 31048 1426556 530300 5.78 438988 1188320 184 02:30:08 6298632 7550928 269216 3.31 31236 1426880 530560 5.78 439252 1188836 216 02:40:08 6298632 7551496 268648 3.30 31452 1427212 530568 5.78 439772 1189396 208 02:50:08 6220468 7515176 304240 3.74 31956 1467996 559148 6.09 496428 1219960 276 03:00:08 5181572 7374084 396572 4.88 85240 2270896 679200 7.40 634128 2031996 1548 Average: 6122850 7515135 297855 3.66 38909 1553089 555118 6.05 475478 1313359 391 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 1.21 0.07 0.12 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.45 0.04 0.06 0.01 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 0.57 0.04 5.71 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 0.38 0.07 0.22 0.04 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 0.41 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:50:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 12.70 5.90 27.15 3.15 0.00 0.00 0.00 0.00 03:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:08 ens3 63.83 48.44 355.09 12.09 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 11.36 7.81 55.49 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15673) 05/16/26 _x86_64_ (2 CPU) 01:47:52 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 0.29 0.00 0.18 0.01 0.05 99.47 02:00:08 0 0.27 0.00 0.17 0.01 0.04 99.52 02:00:08 1 0.31 0.00 0.20 0.02 0.05 99.42 02:10:08 all 0.26 0.00 0.09 0.04 0.05 99.57 02:10:08 0 0.26 0.00 0.07 0.00 0.04 99.62 02:10:08 1 0.25 0.00 0.10 0.08 0.06 99.51 02:20:08 all 0.25 0.00 0.08 0.01 0.05 99.61 02:20:08 0 0.09 0.00 0.09 0.02 0.06 99.75 02:20:08 1 0.41 0.00 0.07 0.01 0.04 99.47 02:30:08 all 0.27 0.00 0.17 0.01 0.04 99.50 02:30:08 0 0.26 0.00 0.16 0.01 0.04 99.52 02:30:08 1 0.28 0.00 0.18 0.01 0.04 99.48 02:40:08 all 0.27 0.00 0.07 0.01 0.04 99.60 02:40:08 0 0.42 0.00 0.06 0.01 0.04 99.48 02:40:08 1 0.12 0.00 0.09 0.02 0.05 99.72 02:50:08 all 0.64 0.00 0.14 0.04 0.05 99.14 02:50:08 0 0.52 0.00 0.13 0.03 0.05 99.28 02:50:08 1 0.76 0.00 0.15 0.04 0.05 99.01 03:00:08 all 15.61 0.00 1.81 0.89 0.09 81.60 03:00:08 0 15.21 0.00 1.77 0.84 0.09 82.09 03:00:08 1 16.01 0.00 1.86 0.93 0.10 81.10 Average: all 2.51 0.00 0.36 0.14 0.05 96.93 Average: 0 2.43 0.00 0.35 0.13 0.05 97.04 Average: 1 2.58 0.00 0.38 0.16 0.05 96.83