---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6565 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 759 5239 4 2239 7182 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:2b:b7:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81244sec preferred_lft 81244sec inet6 fe80::f816:3eff:fe2b:b76c/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-6565) 03/21/26 _x86_64_ (2 CPU) 01:53:32 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 15.58 13.59 1.94 0.06 153.52 44.51 6.66 02:20:20 1.70 0.31 1.38 0.01 37.86 69.62 0.19 02:30:20 1.54 0.00 1.51 0.02 1.05 19.50 1.00 02:40:00 1.32 0.00 1.30 0.02 0.00 16.29 1.24 02:50:20 1.38 0.00 1.37 0.02 0.00 16.40 1.16 03:00:12 22.90 3.04 17.59 2.27 228.56 2902.56 909.83 03:10:01 2.17 0.01 2.13 0.03 0.58 370.08 1.45 Average: 6.61 2.42 3.86 0.34 59.94 485.22 129.95 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6203696 7508156 303060 3.73 34640 1467164 527924 5.75 448324 1231080 300 02:20:20 6169564 7502664 307900 3.79 35016 1495040 725244 7.90 465592 1248260 184 02:30:20 6178608 7512560 298056 3.66 35196 1495680 528556 5.76 460304 1248776 132 02:40:00 6191300 7525788 284820 3.50 35400 1496008 528556 5.76 460424 1249308 124 02:50:20 6197124 7532276 278328 3.42 35600 1496464 528688 5.76 461032 1249836 136 03:00:12 5296864 7457336 305184 3.75 88684 2227584 554768 6.04 550528 1988968 96836 03:10:01 5214984 7377784 384864 4.73 88796 2229904 634472 6.91 596012 1991396 404 Average: 5921734 7488081 308887 3.80 50476 1701121 575458 6.27 491745 1458232 14017 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.53 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:20:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:20 ens3 0.59 0.22 3.12 0.03 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.36 0.07 0.10 0.04 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.38 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:20 ens3 0.34 0.21 0.07 0.44 0.00 0.00 0.00 0.00 03:00:12 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:12 ens3 60.68 41.55 298.97 10.87 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 12.55 9.11 26.26 1.44 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 10.63 7.23 46.34 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6565) 03/21/26 _x86_64_ (2 CPU) 01:53:32 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.17 0.15 0.15 0.04 99.25 02:10:01 0 0.38 0.01 0.08 0.02 0.03 99.48 02:10:01 1 0.12 0.32 0.21 0.27 0.05 99.02 02:20:20 all 0.34 0.00 0.11 0.05 0.04 99.46 02:20:20 0 0.34 0.00 0.11 0.04 0.04 99.47 02:20:20 1 0.34 0.00 0.10 0.07 0.04 99.45 02:30:20 all 0.30 0.00 0.16 0.01 0.04 99.49 02:30:20 0 0.14 0.00 0.18 0.01 0.04 99.63 02:30:20 1 0.46 0.00 0.14 0.01 0.04 99.35 02:40:00 all 0.24 0.00 0.07 0.12 0.03 99.54 02:40:00 0 0.05 0.00 0.09 0.23 0.04 99.59 02:40:00 1 0.43 0.00 0.05 0.01 0.03 99.49 02:50:20 all 0.26 0.00 0.08 0.03 0.02 99.60 02:50:20 0 0.22 0.00 0.07 0.06 0.02 99.63 02:50:20 1 0.31 0.00 0.09 0.01 0.03 99.57 03:00:12 all 11.26 0.00 1.82 1.07 0.05 85.80 03:00:12 0 14.39 0.00 2.14 1.19 0.05 82.23 03:00:12 1 8.14 0.00 1.50 0.96 0.05 89.36 03:10:01 all 1.03 0.00 0.23 0.04 0.03 98.67 03:10:01 0 1.03 0.00 0.22 0.01 0.03 98.71 03:10:01 1 1.03 0.00 0.24 0.06 0.04 98.62 Average: all 1.93 0.02 0.37 0.21 0.04 97.43 Average: 0 2.33 0.00 0.41 0.22 0.04 97.00 Average: 1 1.53 0.05 0.33 0.20 0.04 97.86