---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33888 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 755 5020 4 2460 7186 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:4e:c7:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81769sec preferred_lft 81769sec inet6 fe80::f816:3eff:fe4e:c779/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33888) 07/08/26 _x86_64_ (2 CPU) 01:58:30 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:16 1.44 0.02 1.41 0.00 1.21 17.21 0.12 02:20:01 1.35 0.01 1.34 0.01 0.07 15.85 0.74 02:30:01 1.53 0.00 1.51 0.02 0.00 18.08 437.03 02:40:16 1.99 0.25 1.71 0.03 31.25 75.82 1.51 02:50:01 1.37 0.00 1.36 0.02 0.00 16.16 1.12 03:00:08 2.21 0.43 1.75 0.03 17.96 51.94 1.50 03:10:06 25.73 2.61 20.79 2.33 213.80 3656.74 857.02 Average: 5.08 0.48 4.25 0.35 37.74 547.95 184.91 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:16 6276696 7524544 296204 3.64 30524 1423036 527520 5.75 447888 1183152 132 02:20:01 6275224 7523612 297104 3.65 30728 1423368 527552 5.75 448048 1183688 132 02:30:01 6282920 7531860 288836 3.55 30944 1423692 527688 5.75 448132 1184228 188 02:40:16 6256092 7532548 287712 3.54 31340 1450452 527784 5.75 457620 1202308 132 02:50:01 6257960 7534960 285252 3.51 31556 1450772 527784 5.75 457656 1202844 244 03:00:08 6236040 7529044 290788 3.58 31916 1466308 545640 5.94 487528 1216528 396 03:10:06 5094656 7366644 400300 4.92 87612 2344144 674616 7.35 637468 2106120 12156 Average: 6097084 7506173 306599 3.77 39231 1568825 551226 6.00 483477 1325553 1911 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 1.60 0.06 0.29 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.38 0.03 0.04 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 0.47 0.03 5.62 0.01 0.00 0.00 0.00 0.00 02:40:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.57 0.23 3.18 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.28 0.06 0.08 0.03 0.00 0.00 0.00 0.00 03:00:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 13.91 5.77 20.01 3.14 0.00 0.00 0.00 0.00 03:10:06 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:06 ens3 74.47 53.80 368.46 12.41 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.07 8.54 56.60 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33888) 07/08/26 _x86_64_ (2 CPU) 01:58:30 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:16 all 0.33 0.00 0.09 0.05 0.03 99.49 02:10:16 0 0.30 0.00 0.08 0.07 0.04 99.52 02:10:16 1 0.36 0.00 0.10 0.04 0.03 99.47 02:20:01 all 0.30 0.00 0.08 0.07 0.03 99.52 02:20:01 0 0.48 0.00 0.05 0.02 0.03 99.43 02:20:01 1 0.12 0.00 0.11 0.13 0.04 99.60 02:30:01 all 0.25 0.00 0.17 0.56 0.03 98.98 02:30:01 0 0.35 0.00 0.17 1.11 0.03 98.35 02:30:01 1 0.16 0.00 0.18 0.01 0.03 99.62 02:40:16 all 0.38 0.00 0.11 0.03 0.03 99.46 02:40:16 0 0.67 0.00 0.11 0.06 0.02 99.14 02:40:16 1 0.08 0.00 0.10 0.00 0.03 99.78 02:50:01 all 0.24 0.00 0.08 0.01 0.03 99.64 02:50:01 0 0.41 0.00 0.05 0.02 0.02 99.50 02:50:01 1 0.08 0.00 0.10 0.01 0.03 99.78 03:00:08 all 0.55 0.00 0.21 0.02 0.03 99.19 03:00:08 0 0.62 0.00 0.19 0.02 0.03 99.14 03:00:08 1 0.48 0.00 0.22 0.03 0.03 99.24 03:10:06 all 16.98 0.00 1.79 0.97 0.07 80.19 03:10:06 0 19.08 0.00 2.17 0.89 0.07 77.79 03:10:06 1 14.87 0.00 1.42 1.05 0.07 82.60 Average: all 2.70 0.00 0.36 0.25 0.04 96.66 Average: 0 3.11 0.00 0.40 0.31 0.03 96.14 Average: 1 2.30 0.00 0.32 0.18 0.04 97.17