---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53395 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 7.8G 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 758 5367 4 2100 7182 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:be:d5:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82501sec preferred_lft 82501sec inet6 fe80::f816:3eff:febe:d5e5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53395) 03/27/26 _x86_64_ (2 CPU) 05:14:06 LINUX RESTART (2 CPU) 05:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:24 1.50 0.01 1.48 0.01 0.05 18.07 630.58 05:40:24 1.37 0.00 1.35 0.02 0.00 15.52 1.20 05:50:01 2.09 0.33 1.73 0.02 41.66 75.62 0.89 06:00:14 1.55 0.00 1.54 0.01 0.00 18.52 639.43 06:10:14 14.06 0.00 1.51 12.55 0.15 16.96 109123.26 Average: 4.10 0.07 1.52 2.51 8.02 28.46 21996.27 05:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:24 6268016 7519112 301604 3.71 30728 1425992 529112 5.76 446312 1187452 164 05:40:24 6268016 7519648 301060 3.70 30920 1426328 529060 5.76 446352 1187980 124 05:50:01 6234140 7514696 305476 3.76 31300 1454492 529264 5.76 457860 1205148 124 06:00:14 6254860 7535996 284188 3.49 31496 1454856 529288 5.76 457972 1205708 252 06:10:14 6261188 7543012 277156 3.41 31664 1455356 529352 5.77 458040 1206220 160 Average: 6257244 7526493 293897 3.61 31222 1443405 529215 5.76 453307 1198502 165 05:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:24 ens3 0.75 0.09 0.13 0.06 0.00 0.00 0.00 0.00 05:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:24 ens3 0.38 0.03 0.05 0.01 0.00 0.00 0.00 0.00 05:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:50:01 ens3 0.58 0.23 3.17 0.03 0.00 0.00 0.00 0.00 06:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:14 ens3 0.29 0.06 0.07 0.03 0.00 0.00 0.00 0.00 06:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:14 ens3 0.26 0.03 0.05 0.01 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 0.45 0.09 0.67 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53395) 03/27/26 _x86_64_ (2 CPU) 05:14:06 LINUX RESTART (2 CPU) 05:20:02 CPU %user %nice %system %iowait %steal %idle 05:30:24 all 0.30 0.00 0.17 0.01 0.03 99.48 05:30:24 0 0.35 0.00 0.15 0.02 0.03 99.44 05:30:24 1 0.25 0.00 0.18 0.00 0.04 99.52 05:40:24 all 0.25 0.00 0.07 0.06 0.03 99.59 05:40:24 0 0.30 0.00 0.07 0.10 0.03 99.50 05:40:24 1 0.20 0.00 0.08 0.02 0.03 99.68 05:50:01 all 0.36 0.00 0.13 0.03 0.04 99.45 05:50:01 0 0.48 0.00 0.13 0.02 0.03 99.34 05:50:01 1 0.24 0.00 0.12 0.04 0.04 99.56 06:00:14 all 0.27 0.00 0.16 0.01 0.04 99.51 06:00:14 0 0.24 0.00 0.16 0.00 0.04 99.55 06:00:14 1 0.30 0.00 0.16 0.02 0.04 99.48 06:10:14 all 0.26 0.00 0.08 0.04 0.04 99.58 06:10:14 0 0.47 0.00 0.04 0.01 0.03 99.46 06:10:14 1 0.06 0.00 0.12 0.07 0.05 99.71 Average: all 0.29 0.00 0.12 0.03 0.03 99.52 Average: 0 0.37 0.00 0.11 0.03 0.03 99.46 Average: 1 0.21 0.00 0.13 0.03 0.04 99.59