---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26954 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 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 759 5200 4 2273 7181 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:35:a6:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81461sec preferred_lft 81461sec inet6 fe80::f816:3eff:fe35:a6bc/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-26954) 06/13/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.57 0.01 1.54 0.02 0.05 18.40 436.39 01:10:12 1.31 0.00 1.30 0.02 0.00 15.68 1.07 01:20:01 1.84 0.26 1.55 0.03 31.54 75.09 1.40 01:30:01 1.55 0.00 1.53 0.03 0.00 18.44 436.72 01:40:12 1.48 0.06 1.40 0.02 3.38 22.19 1.18 01:50:02 24.10 3.00 18.76 2.33 228.05 3520.28 507.40 02:00:01 15.06 0.00 1.53 13.52 0.15 24.42 106639.34 Average: 6.64 0.47 3.90 2.27 36.97 519.18 15408.90 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6281724 7528716 291876 3.59 30676 1421988 526940 5.74 452140 1183468 268 01:10:12 6280812 7528380 292268 3.59 30908 1422332 527084 5.74 452236 1184044 176 01:20:01 6253676 7528032 292156 3.59 31268 1448416 723024 7.88 467268 1201724 240 01:30:01 6251448 7526432 293592 3.61 31504 1448748 723024 7.88 466952 1202292 124 01:40:12 6251208 7529564 290220 3.57 31760 1452096 725764 7.90 471272 1205068 420 01:50:02 5165076 7370644 396372 4.87 86920 2278740 825196 8.99 606708 2042012 160 02:00:01 5127812 7335452 431476 5.31 87064 2280692 848048 9.24 621348 2044080 496 Average: 5944537 7478174 326851 4.02 47157 1679002 699869 7.62 505418 1437527 269 00:50:01 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 0.93 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.66 0.06 5.30 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 1.30 0.58 3.37 0.13 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 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 2.93 1.66 4.42 1.15 0.00 0.00 0.00 0.00 01:50:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 65.27 46.92 333.43 11.49 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.53 11.88 107.55 1.09 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.98 8.63 64.08 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26954) 06/13/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.16 0.01 0.04 99.51 01:00:01 0 0.28 0.00 0.17 0.02 0.03 99.50 01:00:01 1 0.29 0.00 0.15 0.01 0.04 99.51 01:10:12 all 0.21 0.00 0.07 0.01 0.04 99.68 01:10:12 0 0.09 0.00 0.07 0.01 0.04 99.79 01:10:12 1 0.32 0.00 0.06 0.01 0.03 99.57 01:20:01 all 0.42 0.00 0.11 0.03 0.04 99.40 01:20:01 0 0.33 0.00 0.13 0.02 0.04 99.48 01:20:01 1 0.51 0.00 0.08 0.05 0.03 99.33 01:30:01 all 0.27 0.00 0.16 0.01 0.04 99.53 01:30:01 0 0.07 0.00 0.16 0.01 0.04 99.73 01:30:01 1 0.47 0.00 0.16 0.02 0.03 99.32 01:40:12 all 0.30 0.00 0.07 0.01 0.04 99.58 01:40:12 0 0.27 0.00 0.07 0.01 0.03 99.62 01:40:12 1 0.34 0.00 0.07 0.01 0.05 99.54 01:50:02 all 11.85 0.00 1.75 0.60 0.07 85.73 01:50:02 0 13.97 0.00 1.94 0.45 0.07 83.57 01:50:02 1 9.73 0.00 1.55 0.75 0.07 87.89 02:00:01 all 0.86 0.00 0.31 0.06 0.06 98.71 02:00:01 0 0.75 0.00 0.34 0.09 0.08 98.75 02:00:01 1 0.98 0.00 0.28 0.04 0.05 98.66 Average: all 2.00 0.00 0.37 0.10 0.05 97.48 Average: 0 2.21 0.00 0.41 0.08 0.05 97.25 Average: 1 1.78 0.00 0.33 0.12 0.04 97.72