---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12456 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 764 5231 4 2242 7177 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:5e:73:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82059sec preferred_lft 82059sec inet6 fe80::f816:3eff:fe5e:7391/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12456) 05/10/26 _x86_64_ (2 CPU) 01:44:47 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:02 2.03 0.26 1.75 0.02 31.01 76.19 649.45 02:10:01 1.39 0.01 1.36 0.02 1.06 15.89 1.26 02:20:12 1.27 0.00 1.26 0.01 0.01 15.15 0.71 02:30:12 1.33 0.00 1.32 0.02 0.00 16.73 0.41 02:40:01 1.20 0.00 1.20 0.00 0.00 14.32 0.00 02:50:12 1.91 0.54 1.36 0.00 20.54 92.56 0.07 Average: 1.52 0.13 1.38 0.01 8.81 38.65 108.35 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:02 6191516 7521692 288768 3.55 34772 1492576 715144 7.79 456584 1247968 316 02:10:01 6198600 7529620 280848 3.45 34968 1493212 520736 5.67 451384 1248488 184 02:20:12 6199528 7531112 279352 3.44 35196 1493540 520892 5.67 451480 1249044 164 02:30:12 6198932 7531032 279516 3.44 35368 1493872 520892 5.67 451456 1249544 280 02:40:01 6199700 7532420 278128 3.42 35528 1494324 520956 5.67 451736 1250032 168 02:50:12 6109708 7488916 318464 3.92 39676 1533992 551456 6.01 507364 1291980 10964 Average: 6182997 7522465 287513 3.54 35918 1500253 558346 6.08 461667 1256176 2013 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 1.35 0.23 3.21 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.42 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.91 0.04 10.63 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.48 0.03 0.80 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.40 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 19.24 10.34 49.76 4.44 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 3.85 1.82 10.92 0.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12456) 05/10/26 _x86_64_ (2 CPU) 01:44:47 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:02 all 0.38 0.00 0.20 0.03 0.01 99.38 02:00:02 0 0.24 0.00 0.19 0.01 0.02 99.54 02:00:02 1 0.52 0.00 0.21 0.05 0.01 99.22 02:10:01 all 0.26 0.00 0.08 0.01 0.01 99.64 02:10:01 0 0.34 0.00 0.07 0.00 0.01 99.58 02:10:01 1 0.19 0.00 0.08 0.02 0.02 99.70 02:20:12 all 0.23 0.00 0.08 0.32 0.01 99.36 02:20:12 0 0.18 0.00 0.08 0.05 0.01 99.67 02:20:12 1 0.27 0.00 0.08 0.60 0.01 99.05 02:30:12 all 0.27 0.00 0.17 0.01 0.02 99.53 02:30:12 0 0.28 0.00 0.16 0.00 0.02 99.55 02:30:12 1 0.27 0.00 0.18 0.02 0.02 99.52 02:40:01 all 0.25 0.00 0.08 0.27 0.01 99.39 02:40:01 0 0.44 0.00 0.07 0.45 0.01 99.03 02:40:01 1 0.06 0.00 0.08 0.10 0.02 99.74 02:50:12 all 0.84 0.00 0.21 0.04 0.02 98.89 02:50:12 0 1.11 0.00 0.17 0.07 0.01 98.64 02:50:12 1 0.58 0.00 0.25 0.02 0.02 99.14 Average: all 0.37 0.00 0.14 0.11 0.01 99.36 Average: 0 0.43 0.00 0.12 0.09 0.01 99.33 Average: 1 0.31 0.00 0.15 0.13 0.01 99.39