---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9484 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 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 747 5288 4 2194 7194 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:f1:00:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81890sec preferred_lft 81890sec inet6 fe80::f816:3eff:fef1:a1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9484) 04/29/26 _x86_64_ (2 CPU) 00:40:17 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.51 0.01 1.49 0.02 0.05 17.97 878.61 01:10:01 13.90 0.00 1.36 12.53 0.15 15.54 109235.44 01:20:01 1.87 0.25 1.61 0.01 30.99 73.27 0.29 01:30:01 1.58 0.00 1.56 0.01 1.05 18.71 435.28 01:40:01 1.74 0.40 1.34 0.00 15.80 46.98 0.00 01:50:06 21.67 2.59 16.85 2.22 210.37 3105.24 921.90 Average: 7.07 0.55 4.06 2.47 43.38 550.85 18568.25 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6286628 7534228 286548 3.52 30712 1422564 531880 5.79 440628 1183516 148 01:10:01 6288108 7536256 284476 3.50 30880 1422940 531880 5.79 440704 1184032 124 01:20:01 6249772 7524508 295580 3.63 31236 1448832 725856 7.91 455564 1201508 152 01:30:01 6266460 7542048 278032 3.42 31428 1449472 532700 5.80 451220 1202028 168 01:40:01 6212176 7503100 316768 3.90 31724 1464284 570672 6.22 501372 1215500 252 01:50:06 5289380 7411192 360484 4.43 84984 2200888 633912 6.90 601132 1961320 312 Average: 6098754 7508555 303648 3.73 40161 1568163 587817 6.40 481770 1324651 193 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.56 0.07 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 0.44 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.73 0.27 3.20 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.38 0.16 0.08 0.49 0.00 0.00 0.00 0.00 01:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 11.78 6.10 23.90 2.78 0.00 0.00 0.00 0.00 01:50:06 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 96.24 69.18 285.27 14.56 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.50 12.74 52.52 3.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9484) 04/29/26 _x86_64_ (2 CPU) 00:40:17 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:01 0 0.16 0.00 0.18 0.01 0.03 99.62 01:00:01 1 0.42 0.00 0.16 0.01 0.03 99.39 01:10:01 all 0.22 0.00 0.08 0.03 0.03 99.64 01:10:01 0 0.37 0.00 0.05 0.01 0.02 99.55 01:10:01 1 0.07 0.00 0.11 0.05 0.04 99.74 01:20:01 all 0.38 0.00 0.10 0.02 0.03 99.46 01:20:01 0 0.42 0.00 0.07 0.02 0.02 99.47 01:20:01 1 0.35 0.00 0.13 0.02 0.04 99.46 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.52 01:30:01 0 0.17 0.00 0.16 0.01 0.03 99.63 01:30:01 1 0.38 0.00 0.17 0.01 0.03 99.41 01:40:01 all 0.52 0.00 0.10 0.02 0.03 99.34 01:40:01 0 0.40 0.00 0.09 0.01 0.03 99.47 01:40:01 1 0.64 0.00 0.11 0.02 0.03 99.20 01:50:06 all 13.13 0.00 1.88 0.51 0.06 84.42 01:50:06 0 15.83 0.00 1.95 0.60 0.06 81.55 01:50:06 1 10.43 0.00 1.81 0.41 0.06 87.29 Average: all 2.48 0.00 0.42 0.10 0.03 96.96 Average: 0 2.91 0.00 0.42 0.11 0.03 96.53 Average: 1 2.06 0.00 0.41 0.09 0.04 97.40