---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28203 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 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 752 5208 4 2273 7189 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:74:14:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81282sec preferred_lft 81282sec inet6 fe80::f816:3eff:fe74:14cf/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-28203) 06/18/26 _x86_64_ (2 CPU) 01:58:13 LINUX RESTART (2 CPU) 02:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:08 1.34 0.03 1.30 0.01 1.25 15.87 0.61 02:20:58 12.85 0.01 1.25 11.59 0.20 15.31 100877.33 02:30:18 1.44 0.00 1.42 0.02 0.00 17.51 467.69 02:40:00 1.23 0.00 1.22 0.02 0.00 14.76 1.00 02:50:00 1.36 0.00 1.34 0.02 0.00 16.08 1.32 03:00:08 2.38 0.65 1.70 0.04 47.17 107.28 430.77 03:10:38 23.02 2.48 18.38 2.15 201.69 3257.64 666.76 03:20:18 1.29 0.00 1.28 0.01 0.00 21.74 0.08 Average: 5.87 0.41 3.59 1.86 32.61 453.40 13836.20 02:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:08 6273124 7524752 295272 3.63 30656 1426788 519528 5.66 444276 1187400 132 02:20:58 6280028 7532296 287748 3.54 30888 1427192 519528 5.66 444428 1188008 124 02:30:18 6278816 7531640 288316 3.55 31096 1427516 519600 5.66 444452 1188540 136 02:40:00 6283644 7536980 282968 3.48 31304 1427812 521844 5.68 447436 1189044 124 02:50:00 6283392 7537276 282664 3.48 31520 1428140 522004 5.69 447748 1189588 124 03:00:08 6214292 7510292 308924 3.80 32068 1469120 561104 6.11 496568 1220392 396 03:10:38 5171688 7374096 392632 4.83 87128 2275592 634076 6.91 600620 2037884 252 03:20:18 5130456 7334816 431856 5.31 87240 2277468 656872 7.15 615228 2039836 264 Average: 5989430 7485268 321298 3.95 45238 1644954 556820 6.06 492594 1405086 194 02:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 1.39 0.05 0.14 0.01 0.00 0.00 0.00 0.00 02:20:58 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:58 ens3 1.06 0.03 9.25 0.01 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 0.26 0.04 0.05 0.01 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 0.33 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.27 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 13.21 6.47 26.70 3.16 0.00 0.00 0.00 0.00 03:10:38 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:10:38 ens3 59.49 42.02 289.47 8.82 0.00 0.00 0.00 0.00 03:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:18 ens3 13.66 12.42 110.99 1.11 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 11.55 7.86 56.05 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28203) 06/18/26 _x86_64_ (2 CPU) 01:58:13 LINUX RESTART (2 CPU) 02:00:15 CPU %user %nice %system %iowait %steal %idle 02:10:08 all 0.27 0.00 0.08 0.01 0.03 99.60 02:10:08 0 0.35 0.00 0.07 0.01 0.03 99.54 02:10:08 1 0.19 0.00 0.09 0.02 0.03 99.67 02:20:58 all 0.26 0.00 0.09 0.03 0.03 99.59 02:20:58 0 0.45 0.00 0.06 0.01 0.02 99.46 02:20:58 1 0.07 0.00 0.12 0.05 0.03 99.73 02:30:18 all 0.26 0.00 0.17 0.02 0.03 99.52 02:30:18 0 0.23 0.00 0.15 0.03 0.03 99.56 02:30:18 1 0.29 0.00 0.18 0.00 0.04 99.49 02:40:00 all 0.28 0.00 0.07 0.01 0.03 99.61 02:40:00 0 0.35 0.00 0.06 0.02 0.03 99.55 02:40:00 1 0.21 0.00 0.07 0.01 0.03 99.68 02:50:00 all 0.24 0.00 0.07 0.02 0.03 99.64 02:50:00 0 0.44 0.00 0.04 0.01 0.02 99.48 02:50:00 1 0.05 0.00 0.09 0.03 0.04 99.79 03:00:08 all 0.58 0.00 0.23 0.05 0.03 99.12 03:00:08 0 0.69 0.00 0.22 0.10 0.03 98.97 03:00:08 1 0.46 0.00 0.24 0.00 0.03 99.27 03:10:38 all 11.29 0.00 1.66 0.94 0.06 86.04 03:10:38 0 7.69 0.00 1.39 0.41 0.07 90.44 03:10:38 1 14.90 0.00 1.94 1.47 0.06 81.64 03:20:18 all 0.90 0.00 0.21 0.01 0.05 98.82 03:20:18 0 0.81 0.00 0.21 0.00 0.05 98.92 03:20:18 1 0.99 0.00 0.21 0.02 0.05 98.73 Average: all 1.82 0.00 0.33 0.14 0.04 97.67 Average: 0 1.42 0.00 0.28 0.08 0.03 98.18 Average: 1 2.23 0.00 0.38 0.21 0.04 97.15