---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1112 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 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 762 5294 4 2173 7179 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:e8:4b:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82477sec preferred_lft 82477sec inet6 fe80::f816:3eff:fee8:4b03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1112) 04/08/26 _x86_64_ (2 CPU) 00:41:39 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.32 0.01 1.30 0.01 0.05 16.40 654.11 01:10:01 1.11 0.00 1.11 0.00 0.00 13.71 0.00 01:20:03 1.85 0.34 1.49 0.02 41.01 71.96 0.33 01:30:03 14.09 0.01 1.52 12.57 1.20 19.07 109123.71 01:40:02 1.41 0.26 1.15 0.00 8.84 30.95 0.00 Average: 3.96 0.12 1.31 2.52 10.25 30.46 21969.84 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6287396 7534284 286360 3.52 30624 1421944 523196 5.70 446116 1183288 232 01:10:01 6301116 7548500 272128 3.35 30784 1422276 523440 5.70 446336 1183780 140 01:20:03 6248068 7524824 295036 3.63 31140 1450904 721672 7.86 463932 1201140 180 01:30:03 6250908 7528564 291360 3.58 31332 1451588 523572 5.70 458516 1201668 244 01:40:02 6244356 7530480 289352 3.56 31548 1459752 529716 5.77 466816 1209100 188 Average: 6266369 7533330 286847 3.53 31086 1441293 564319 6.15 456343 1195795 197 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.90 0.06 0.10 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 0.79 0.06 4.37 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.68 0.21 3.89 0.03 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.21 0.02 0.04 0.01 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 6.97 2.74 10.26 1.33 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 1.90 0.62 3.73 0.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1112) 04/08/26 _x86_64_ (2 CPU) 00:41:39 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.29 0.00 0.17 0.02 0.04 99.47 01:00:03 0 0.10 0.00 0.20 0.00 0.05 99.66 01:00:03 1 0.49 0.00 0.15 0.04 0.03 99.29 01:10:01 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:01 0 0.21 0.00 0.08 0.01 0.04 99.67 01:10:01 1 0.33 0.00 0.06 0.02 0.04 99.56 01:20:03 all 0.36 0.00 0.12 0.03 0.04 99.46 01:20:03 0 0.37 0.00 0.09 0.02 0.03 99.48 01:20:03 1 0.35 0.00 0.14 0.03 0.04 99.43 01:30:03 all 0.28 0.00 0.18 0.04 0.03 99.47 01:30:03 0 0.27 0.00 0.17 0.05 0.03 99.47 01:30:03 1 0.29 0.00 0.18 0.03 0.03 99.46 01:40:02 all 0.31 0.00 0.09 0.01 0.03 99.56 01:40:02 0 0.42 0.00 0.08 0.00 0.03 99.46 01:40:02 1 0.19 0.00 0.09 0.02 0.04 99.66 Average: all 0.30 0.00 0.12 0.02 0.04 99.51 Average: 0 0.27 0.00 0.12 0.02 0.04 99.55 Average: 1 0.33 0.00 0.13 0.03 0.04 99.48