---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39067 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 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 758 5018 4 2465 7183 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:26:e6:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81999sec preferred_lft 81999sec inet6 fe80::f816:3eff:fe26:e680/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39067) 07/26/26 _x86_64_ (2 CPU) 02:37:04 LINUX RESTART (2 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:02 1.37 0.02 1.34 0.00 1.24 16.57 0.12 03:00:12 1.61 0.01 1.57 0.03 0.05 19.39 643.78 03:10:01 1.27 0.00 1.25 0.02 0.00 14.99 1.22 03:20:01 1.91 0.26 1.63 0.03 32.03 77.21 1.43 03:30:12 1.36 0.00 1.33 0.03 0.00 17.29 429.13 03:40:01 1.21 0.00 1.20 0.02 0.00 15.20 1.22 03:50:01 30.29 2.90 23.74 3.64 230.62 3717.83 1033.00 Average: 5.58 0.46 4.58 0.54 37.72 554.22 304.13 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:02 6289900 7529872 291264 3.58 30024 1416356 528524 5.76 445140 1178840 124 03:00:12 6286684 7527296 293636 3.61 30260 1416720 529944 5.77 444216 1179440 172 03:10:01 6286684 7527784 293172 3.60 30452 1417008 529944 5.77 444624 1179920 240 03:20:01 6246800 7515592 304940 3.75 30856 1443920 529968 5.77 453920 1198160 240 03:30:12 6255700 7525208 295244 3.63 31068 1444408 530280 5.78 454460 1198728 280 03:40:01 6255448 7525452 295000 3.63 31260 1444700 530344 5.78 454804 1199216 124 03:50:01 5145012 7361740 405064 4.98 90176 2286656 644796 7.02 635260 2053016 30740 Average: 6109461 7501849 311189 3.83 39157 1552824 546257 5.95 476061 1312474 4560 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 1.52 0.09 0.29 0.04 0.00 0.00 0.00 0.00 03:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:12 ens3 0.54 0.09 0.10 0.06 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 0.33 0.04 0.06 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.49 0.21 3.23 0.03 0.00 0.00 0.00 0.00 03:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 0.45 0.18 0.12 0.52 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.37 0.05 0.09 0.05 0.00 0.00 0.00 0.00 03:50:01 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 03:50:01 ens3 117.94 78.11 337.80 20.19 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.38 11.26 48.82 2.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39067) 07/26/26 _x86_64_ (2 CPU) 02:37:04 LINUX RESTART (2 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:02 all 0.28 0.00 0.09 0.08 0.02 99.53 02:50:02 0 0.45 0.00 0.07 0.06 0.01 99.41 02:50:02 1 0.11 0.00 0.12 0.10 0.03 99.64 03:00:12 all 0.33 0.00 0.18 0.04 0.02 99.43 03:00:12 0 0.29 0.00 0.18 0.06 0.02 99.45 03:00:12 1 0.37 0.00 0.19 0.01 0.02 99.42 03:10:01 all 0.27 0.00 0.09 0.05 0.02 99.57 03:10:01 0 0.17 0.00 0.09 0.02 0.02 99.70 03:10:01 1 0.38 0.00 0.08 0.08 0.02 99.44 03:20:01 all 0.38 0.00 0.12 0.02 0.02 99.45 03:20:01 0 0.40 0.00 0.11 0.03 0.02 99.45 03:20:01 1 0.37 0.00 0.13 0.02 0.02 99.46 03:30:12 all 0.29 0.00 0.18 0.01 0.03 99.49 03:30:12 0 0.11 0.00 0.19 0.01 0.03 99.67 03:30:12 1 0.48 0.00 0.17 0.02 0.02 99.31 03:40:01 all 0.22 0.00 0.07 0.01 0.03 99.67 03:40:01 0 0.17 0.00 0.08 0.02 0.03 99.70 03:40:01 1 0.27 0.00 0.07 0.01 0.02 99.63 03:50:01 all 16.63 0.00 2.25 0.73 0.06 80.33 03:50:01 0 14.34 0.00 2.18 0.61 0.06 82.82 03:50:01 1 18.92 0.00 2.31 0.86 0.06 77.85 Average: all 2.63 0.00 0.43 0.13 0.03 96.78 Average: 0 2.27 0.00 0.41 0.11 0.03 97.17 Average: 1 2.98 0.00 0.44 0.16 0.03 96.39