---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37439 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 8.3G 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 744 4861 4 2632 7197 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:f9:23:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82830sec preferred_lft 82830sec inet6 fe80::f816:3eff:fef9:23bc/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-37439) 07/21/26 _x86_64_ (2 CPU) 00:38:50 LINUX RESTART (2 CPU) 00:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 16.17 1.54 12.78 1.85 127.85 2588.89 345.73 01:00:01 1.49 0.01 1.45 0.03 0.05 18.57 1.35 01:10:12 1.28 0.00 1.25 0.02 0.00 138.10 1.67 01:20:12 1.56 0.00 1.52 0.04 0.01 423.43 2.27 01:30:01 2.04 0.26 1.74 0.05 32.63 80.57 1.74 Average: 4.46 0.36 3.71 0.39 31.62 642.70 69.42 00:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 5085224 7277376 489640 6.02 86492 2265472 721020 7.85 672224 2037172 308 01:00:01 4964592 7157312 609372 7.49 86664 2265892 858012 9.35 809476 2037744 208 01:10:12 4850364 7088732 677824 8.33 86844 2311180 952964 10.38 887364 2083240 7560 01:20:12 4802528 7157732 606908 7.46 87036 2426220 896184 9.76 831568 2198472 196 01:30:01 4737248 7120144 644028 7.92 87348 2453216 919488 10.02 862956 2216704 168 Average: 4887991 7160259 605554 7.45 86877 2344396 869534 9.47 812718 2114666 1688 00:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 00:50:12 ens3 66.93 54.15 607.47 8.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 32.66 30.90 543.61 2.06 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 77.08 72.66 1208.62 4.79 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 25.41 24.49 422.01 1.68 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 18.53 17.35 282.56 1.18 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 44.27 40.08 616.68 3.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37439) 07/21/26 _x86_64_ (2 CPU) 00:38:50 LINUX RESTART (2 CPU) 00:40:27 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 7.94 0.00 1.29 0.28 0.07 90.41 00:50:12 0 6.66 0.00 1.27 0.33 0.07 91.66 00:50:12 1 9.22 0.00 1.31 0.24 0.07 89.17 01:00:01 all 0.62 0.00 0.35 0.01 0.07 98.94 01:00:01 0 0.53 0.00 0.21 0.00 0.05 99.21 01:00:01 1 0.72 0.00 0.50 0.01 0.10 98.67 01:10:12 all 1.05 0.00 0.54 0.18 0.07 98.17 01:10:12 0 0.75 0.00 0.37 0.35 0.08 98.45 01:10:12 1 1.34 0.00 0.71 0.01 0.06 97.88 01:20:12 all 0.80 0.00 0.21 0.01 0.08 98.90 01:20:12 0 0.88 0.00 0.23 0.01 0.09 98.78 01:20:12 1 0.71 0.00 0.18 0.02 0.07 99.02 01:30:01 all 0.67 0.00 0.33 0.02 0.08 98.90 01:30:01 0 0.67 0.00 0.34 0.01 0.07 98.90 01:30:01 1 0.68 0.00 0.32 0.02 0.08 98.90 Average: all 2.20 0.00 0.54 0.10 0.08 97.09 Average: 0 1.88 0.00 0.48 0.14 0.07 97.42 Average: 1 2.51 0.00 0.60 0.06 0.08 96.75