---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34102 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: 5599.94 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 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 739 5217 4 2277 7202 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:b4:3f:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81280sec preferred_lft 81280sec inet6 fe80::f816:3eff:feb4:3fba/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-34102) 07/09/26 _x86_64_ (2 CPU) 00:37:53 LINUX RESTART (2 CPU) 00:40:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 1.28 0.03 1.24 0.01 1.30 15.30 0.63 01:00:28 1.41 0.01 1.37 0.03 0.05 17.14 418.64 01:10:28 1.28 0.00 1.27 0.02 0.00 15.07 1.20 01:20:01 1.34 0.00 1.32 0.02 0.01 15.71 1.13 01:30:28 2.06 0.24 1.78 0.04 29.63 75.98 418.17 01:40:09 1.86 0.41 1.43 0.02 16.29 49.32 1.11 01:50:01 23.20 2.65 18.24 2.31 217.71 3464.73 730.07 02:00:28 1.50 0.00 1.48 0.02 0.00 23.98 0.60 Average: 4.21 0.41 3.49 0.30 32.86 454.12 199.88 00:40:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6291236 7537712 282788 3.48 30548 1421604 528364 5.75 438488 1183204 148 01:00:28 6295424 7542484 277956 3.42 30780 1421936 528460 5.76 438792 1183768 132 01:10:28 6303012 7550600 269824 3.32 30988 1422260 528596 5.76 438880 1184288 192 01:20:01 6310348 7558476 261952 3.22 31188 1422584 528788 5.76 440588 1184824 244 01:30:28 6265316 7540736 279072 3.43 31600 1449068 728108 7.93 454856 1202956 188 01:40:09 6233748 7524372 295112 3.63 31924 1463868 745232 8.12 490664 1216428 220 01:50:01 5176288 7384192 382692 4.71 87660 2280340 830200 9.04 597368 2044244 320 02:00:28 5136412 7346384 420268 5.17 87792 2282244 852988 9.29 611088 2046308 192 Average: 6001473 7498120 308708 3.80 45310 1645488 658842 7.18 488840 1405752 204 00:40:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 1.37 0.11 0.16 0.07 0.00 0.00 0.00 0.00 01:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:28 ens3 0.78 0.06 7.98 0.03 0.00 0.00 0.00 0.00 01:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:28 ens3 0.32 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.42 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:30:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:28 ens3 0.47 0.23 3.07 0.05 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 11.21 5.28 20.75 3.32 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 60.01 45.08 317.75 9.39 0.00 0.00 0.00 0.00 02:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:28 ens3 13.23 11.61 102.78 1.06 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 10.90 7.79 56.60 1.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34102) 07/09/26 _x86_64_ (2 CPU) 00:37:53 LINUX RESTART (2 CPU) 00:40:28 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.25 0.00 0.08 0.01 0.02 99.64 00:50:02 0 0.43 0.00 0.05 0.01 0.02 99.50 00:50:02 1 0.08 0.00 0.11 0.01 0.03 99.78 01:00:28 all 0.24 0.00 0.16 0.01 0.02 99.56 01:00:28 0 0.26 0.00 0.15 0.01 0.02 99.56 01:00:28 1 0.23 0.00 0.16 0.00 0.03 99.57 01:10:28 all 0.25 0.00 0.07 0.01 0.03 99.65 01:10:28 0 0.11 0.00 0.08 0.01 0.03 99.77 01:10:28 1 0.38 0.00 0.07 0.01 0.03 99.52 01:20:01 all 0.29 0.00 0.07 0.01 0.02 99.60 01:20:01 0 0.53 0.00 0.05 0.01 0.02 99.39 01:20:01 1 0.05 0.00 0.09 0.01 0.03 99.82 01:30:28 all 0.39 0.00 0.17 0.02 0.03 99.39 01:30:28 0 0.48 0.00 0.14 0.01 0.02 99.35 01:30:28 1 0.29 0.00 0.21 0.03 0.04 99.43 01:40:09 all 0.52 0.00 0.09 0.01 0.02 99.35 01:40:09 0 0.76 0.00 0.05 0.01 0.01 99.17 01:40:09 1 0.28 0.00 0.14 0.02 0.03 99.53 01:50:01 all 11.96 0.00 1.76 0.51 0.07 85.69 01:50:01 0 14.71 0.00 1.89 0.40 0.07 82.93 01:50:01 1 9.22 0.00 1.64 0.62 0.07 88.46 02:00:28 all 0.85 0.00 0.29 0.01 0.05 98.80 02:00:28 0 0.83 0.00 0.32 0.01 0.05 98.78 02:00:28 1 0.87 0.00 0.26 0.00 0.05 98.82 Average: all 1.83 0.00 0.34 0.07 0.03 97.73 Average: 0 2.24 0.00 0.34 0.06 0.03 97.33 Average: 1 1.41 0.00 0.33 0.09 0.04 98.13