---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13082 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 756 5285 4 2188 7185 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:71:5f:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81661sec preferred_lft 81661sec inet6 fe80::f816:3eff:fe71:5f11/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13082) 05/13/26 _x86_64_ (2 CPU) 00:40:02 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:43 1.88 0.25 1.60 0.03 29.55 72.83 415.99 01:10:01 1.23 0.01 1.20 0.02 1.13 14.84 1.22 01:20:23 1.25 0.00 1.24 0.00 0.01 14.93 0.12 01:30:50 1.53 0.00 1.52 0.02 0.00 18.87 833.92 01:40:01 15.20 0.00 1.52 13.68 0.16 18.43 118863.63 01:50:28 3.16 1.28 1.85 0.03 92.31 177.39 211.58 Average: 3.86 0.27 1.49 2.10 21.37 54.41 18366.23 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:43 6250124 7523832 296308 3.64 30888 1448128 722156 7.87 461540 1200540 124 01:10:01 6257688 7532188 287928 3.54 31080 1448732 527664 5.75 456260 1201016 132 01:20:23 6251640 7526684 293464 3.61 31240 1449100 527948 5.75 460628 1201552 132 01:30:50 6255732 7531308 288812 3.55 31432 1449420 529556 5.77 461848 1202064 124 01:40:01 6252204 7528436 291580 3.59 31608 1449900 583092 6.35 466024 1202556 200 01:50:28 6064844 7460724 352476 4.33 41052 1554116 596624 6.50 546108 1303724 44100 Average: 6222039 7517195 301761 3.71 32883 1466566 581173 6.33 475401 1218575 7469 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:43 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:43 ens3 0.80 0.26 3.03 0.05 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 0.34 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.52 0.08 0.14 0.06 0.00 0.00 0.00 0.00 01:30:50 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:50 ens3 0.25 0.06 0.08 0.04 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 0.44 0.09 0.14 0.08 0.00 0.00 0.00 0.00 01:50:28 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:28 ens3 22.42 11.22 66.52 4.59 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.28 2.04 12.14 0.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13082) 05/13/26 _x86_64_ (2 CPU) 00:40:02 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:43 all 0.35 0.00 0.20 0.02 0.04 99.40 01:00:43 0 0.33 0.00 0.19 0.01 0.04 99.44 01:00:43 1 0.38 0.00 0.20 0.03 0.04 99.36 01:10:01 all 0.27 0.00 0.08 0.02 0.04 99.60 01:10:01 0 0.27 0.00 0.07 0.02 0.03 99.60 01:10:01 1 0.27 0.00 0.08 0.02 0.04 99.59 01:20:23 all 0.31 0.00 0.07 0.01 0.04 99.58 01:20:23 0 0.54 0.00 0.06 0.01 0.03 99.36 01:20:23 1 0.07 0.00 0.09 0.00 0.05 99.79 01:30:50 all 0.22 0.00 0.16 0.01 0.04 99.56 01:30:50 0 0.20 0.00 0.16 0.02 0.04 99.58 01:30:50 1 0.24 0.00 0.16 0.01 0.04 99.55 01:40:01 all 0.25 0.00 0.09 0.04 0.04 99.58 01:40:01 0 0.12 0.00 0.12 0.07 0.04 99.65 01:40:01 1 0.38 0.00 0.06 0.01 0.04 99.51 01:50:28 all 1.36 0.00 0.25 0.06 0.04 98.28 01:50:28 0 1.21 0.00 0.24 0.04 0.05 98.46 01:50:28 1 1.52 0.00 0.27 0.08 0.04 98.10 Average: all 0.47 0.00 0.14 0.03 0.04 99.32 Average: 0 0.46 0.00 0.14 0.03 0.04 99.34 Average: 1 0.48 0.00 0.15 0.03 0.04 99.31