---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53643 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: 5600.00 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 769 5275 4 2185 7172 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:9c:ed:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82298sec preferred_lft 82298sec inet6 fe80::f816:3eff:fe9c:ed80/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53643) 03/28/26 _x86_64_ (2 CPU) 00:44:05 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.33 0.01 1.30 0.02 1.11 17.95 871.21 01:10:00 1.13 0.00 1.11 0.02 0.00 14.61 1.20 01:20:00 1.16 0.00 1.14 0.02 0.01 14.60 1.20 01:30:00 1.24 0.00 1.21 0.03 0.00 16.75 872.13 01:40:00 13.79 0.00 1.20 12.58 0.15 14.95 109126.11 01:50:00 22.46 3.17 17.04 2.25 232.52 3124.27 775.83 Average: 6.85 0.53 3.83 2.49 38.96 533.85 18607.95 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6240664 7527716 292172 3.59 30996 1461224 529300 5.77 464048 1207820 16 01:10:00 6262252 7549860 270016 3.32 31212 1461556 529420 5.77 464220 1208368 56 01:20:00 6260744 7548900 270972 3.33 31424 1461884 529616 5.77 464736 1208908 16 01:30:00 6255968 7544672 275148 3.38 31636 1462216 529616 5.77 464676 1209444 140 01:40:00 6255744 7545028 274728 3.38 31832 1462580 529680 5.77 465264 1209984 8 01:50:00 5344616 7465460 305884 3.76 85864 2198948 556264 6.06 554844 1954372 2348 Average: 6103331 7530273 281487 3.46 40494 1584735 533983 5.82 479631 1333149 431 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.56 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.47 0.07 6.45 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.56 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.48 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.43 0.13 0.11 0.49 0.00 0.00 0.00 0.00 01:50:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 59.14 42.85 297.43 10.99 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 10.44 7.21 50.71 1.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53643) 03/28/26 _x86_64_ (2 CPU) 00:44:05 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.28 0.00 0.17 0.01 0.04 99.49 01:00:00 0 0.20 0.00 0.16 0.01 0.05 99.59 01:00:00 1 0.36 0.00 0.18 0.02 0.04 99.40 01:10:00 all 0.27 0.00 0.07 0.01 0.04 99.62 01:10:00 0 0.47 0.00 0.04 0.01 0.03 99.45 01:10:00 1 0.07 0.00 0.09 0.01 0.05 99.78 01:20:00 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:00 0 0.43 0.00 0.06 0.02 0.04 99.46 01:20:00 1 0.08 0.00 0.08 0.01 0.05 99.78 01:30:00 all 0.24 0.00 0.17 0.01 0.04 99.54 01:30:00 0 0.36 0.00 0.17 0.01 0.04 99.43 01:30:00 1 0.12 0.00 0.17 0.01 0.05 99.65 01:40:00 all 0.23 0.00 0.08 0.03 0.04 99.63 01:40:00 0 0.08 0.00 0.10 0.04 0.04 99.74 01:40:00 1 0.38 0.00 0.05 0.02 0.04 99.52 01:50:00 all 10.47 0.00 1.62 0.55 0.05 87.31 01:50:00 0 7.23 0.00 1.33 0.34 0.06 91.04 01:50:00 1 13.72 0.00 1.90 0.75 0.05 83.58 Average: all 1.96 0.00 0.36 0.10 0.04 97.54 Average: 0 1.46 0.00 0.31 0.07 0.04 98.12 Average: 1 2.45 0.00 0.41 0.14 0.05 96.95