---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33539 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 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 750 5202 4 2281 7191 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:c9:e4:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81653sec preferred_lft 81653sec inet6 fe80::f816:3eff:fec9:e49b/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-33539) 07/07/26 _x86_64_ (2 CPU) 00:41:14 LINUX RESTART (2 CPU) 00:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:20 1.42 0.01 1.40 0.01 0.05 16.77 435.19 01:10:20 1.21 0.00 1.21 0.00 0.00 13.92 0.00 01:20:20 1.30 0.00 1.30 0.00 0.01 15.16 0.12 01:30:18 1.53 0.00 1.52 0.01 0.00 18.20 437.31 01:40:19 1.33 0.00 1.33 0.00 0.00 15.56 0.00 01:50:19 1.31 0.00 1.31 0.00 0.00 15.24 0.12 Average: 1.35 0.00 1.35 0.00 0.01 15.81 145.34 00:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:20 6254836 7533832 285940 3.52 31128 1453104 521024 5.67 456964 1205624 216 01:10:20 6261948 7541440 278336 3.42 31296 1453428 521088 5.68 457312 1206120 164 01:20:20 6261476 7541480 278276 3.42 31472 1453756 521224 5.68 457876 1206620 96 01:30:18 6259724 7540264 279484 3.44 31656 1454092 521760 5.68 456924 1207144 192 01:40:19 6273880 7555000 264716 3.26 31808 1454540 521908 5.68 457268 1207592 172 01:50:19 6272144 7553768 265940 3.27 31980 1454868 521908 5.68 457332 1208088 220 Average: 6264001 7544297 275449 3.39 31557 1453965 521485 5.68 457279 1206865 177 00:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 0.80 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 0.71 0.05 4.71 0.03 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.50 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.39 0.19 0.08 0.50 0.00 0.00 0.00 0.00 01:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 0.34 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:19 ens3 0.34 0.08 0.10 0.05 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 0.51 0.09 0.87 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33539) 07/07/26 _x86_64_ (2 CPU) 00:41:14 LINUX RESTART (2 CPU) 00:50:19 CPU %user %nice %system %iowait %steal %idle 01:00:20 all 0.27 0.00 0.16 0.01 0.02 99.54 01:00:20 0 0.19 0.00 0.16 0.00 0.01 99.62 01:00:20 1 0.35 0.00 0.16 0.01 0.02 99.46 01:10:20 all 0.26 0.00 0.07 0.01 0.02 99.65 01:10:20 0 0.06 0.00 0.09 0.00 0.02 99.82 01:10:20 1 0.45 0.00 0.05 0.01 0.02 99.47 01:20:20 all 0.24 0.00 0.07 0.01 0.02 99.66 01:20:20 0 0.27 0.00 0.07 0.00 0.02 99.64 01:20:20 1 0.21 0.00 0.08 0.01 0.02 99.68 01:30:18 all 0.32 0.00 0.16 0.01 0.02 99.49 01:30:18 0 0.40 0.00 0.16 0.00 0.02 99.42 01:30:18 1 0.24 0.00 0.17 0.02 0.02 99.55 01:40:19 all 0.25 0.00 0.06 0.01 0.02 99.66 01:40:19 0 0.33 0.00 0.05 0.00 0.01 99.60 01:40:19 1 0.17 0.00 0.08 0.02 0.02 99.72 01:50:19 all 0.22 0.00 0.07 0.01 0.02 99.69 01:50:19 0 0.31 0.00 0.05 0.00 0.01 99.62 01:50:19 1 0.12 0.00 0.08 0.01 0.02 99.76 Average: all 0.26 0.00 0.10 0.01 0.02 99.62 Average: 0 0.26 0.00 0.10 0.00 0.02 99.62 Average: 1 0.26 0.00 0.10 0.01 0.02 99.61