---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27684 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: 5599.86 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 760 5284 4 2185 7181 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:3e:3b:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82401sec preferred_lft 82401sec inet6 fe80::f816:3eff:fe3e:3b15/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27684) 06/16/26 _x86_64_ (2 CPU) 00:41:39 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.56 0.01 1.52 0.02 1.11 19.03 653.84 01:10:01 1.22 0.00 1.21 0.02 0.00 14.65 1.21 01:20:06 1.39 0.00 1.37 0.02 0.01 16.97 217.45 01:30:06 1.49 0.00 1.45 0.03 0.00 18.39 872.08 01:40:01 1.23 0.00 1.22 0.02 0.00 15.00 1.21 Average: 1.38 0.00 1.35 0.02 0.22 16.81 350.04 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6257464 7531944 288168 3.54 30884 1448924 530236 5.78 455764 1200776 220 01:10:01 6257464 7532480 287664 3.54 31084 1449252 565896 6.16 458244 1201308 280 01:20:06 6263296 7538888 281188 3.46 31312 1449588 530468 5.78 456772 1201872 108 01:30:06 6253236 7529416 290644 3.57 31548 1449920 557740 6.07 459936 1202440 224 01:40:01 6267096 7543932 276120 3.40 31732 1450380 557804 6.08 463300 1202956 284 Average: 6259711 7535332 284757 3.50 31312 1449613 548429 5.97 458803 1201870 223 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.60 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.39 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.47 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.46 0.22 0.09 0.51 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.55 0.14 0.18 0.10 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.49 0.11 0.11 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27684) 06/16/26 _x86_64_ (2 CPU) 00:41:39 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.30 0.00 0.17 0.01 0.04 99.48 01:00:06 0 0.27 0.00 0.18 0.01 0.04 99.51 01:00:06 1 0.33 0.00 0.16 0.01 0.04 99.46 01:10:01 all 0.25 0.00 0.08 0.01 0.04 99.63 01:10:01 0 0.44 0.00 0.06 0.01 0.03 99.47 01:10:01 1 0.06 0.00 0.10 0.00 0.05 99.79 01:20:06 all 0.25 0.00 0.08 0.01 0.04 99.61 01:20:06 0 0.13 0.00 0.10 0.01 0.05 99.71 01:20:06 1 0.38 0.00 0.06 0.01 0.03 99.51 01:30:06 all 0.29 0.00 0.16 0.01 0.04 99.49 01:30:06 0 0.21 0.00 0.17 0.01 0.04 99.57 01:30:06 1 0.38 0.00 0.15 0.01 0.04 99.42 01:40:01 all 0.23 0.00 0.06 0.01 0.04 99.66 01:40:01 0 0.18 0.00 0.07 0.00 0.04 99.72 01:40:01 1 0.28 0.00 0.06 0.01 0.04 99.61 Average: all 0.27 0.00 0.11 0.01 0.04 99.58 Average: 0 0.24 0.00 0.11 0.01 0.04 99.60 Average: 1 0.29 0.00 0.11 0.01 0.04 99.56