---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29988 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 8.0G 30G 22% / 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 792 5073 4 2368 7149 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:40:32:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84146sec preferred_lft 84146sec inet6 fe80::f816:3eff:fe40:3206/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29988) 06/24/26 _x86_64_ (2 CPU) 01:58:00 LINUX RESTART (2 CPU) 02:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 25.86 1.35 9.86 14.65 116.15 1398.60 108156.83 02:20:24 1.88 0.02 1.82 0.04 0.72 181.01 2.85 02:30:04 1.57 0.00 1.53 0.04 0.00 100.88 2.32 Average: 9.74 0.46 4.39 4.89 38.80 559.36 35903.79 02:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5257264 7451764 315380 3.88 86092 2268556 564784 6.15 541460 2030292 26840 02:20:24 5194984 7409600 357320 4.39 86284 2288544 664292 7.24 597376 2050464 224 02:30:04 5161436 7400312 366432 4.51 86464 2312472 669580 7.29 603180 2074576 248 Average: 5204561 7420559 346377 4.26 86280 2289857 632885 6.89 580672 2051777 9104 02:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 48.82 37.08 45.43 10.19 0.00 0.00 0.00 0.00 02:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 31.53 29.46 13.55 3.40 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 58.83 56.65 26.01 5.71 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 46.07 40.75 28.15 6.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29988) 06/24/26 _x86_64_ (2 CPU) 01:58:00 LINUX RESTART (2 CPU) 02:00:04 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 6.09 0.00 0.95 0.20 0.04 92.73 02:10:01 0 7.52 0.00 1.03 0.29 0.03 91.12 02:10:01 1 4.65 0.00 0.87 0.11 0.04 94.33 02:20:24 all 6.04 0.00 0.80 0.03 0.05 93.07 02:20:24 0 9.74 0.00 1.23 0.03 0.05 88.94 02:20:24 1 2.35 0.00 0.38 0.03 0.05 97.19 02:30:04 all 6.29 0.00 0.86 0.02 0.06 92.77 02:30:04 0 6.56 0.00 0.96 0.00 0.06 92.42 02:30:04 1 6.03 0.00 0.76 0.03 0.06 93.12 Average: all 6.14 0.00 0.87 0.08 0.05 92.86 Average: 0 7.98 0.00 1.08 0.11 0.05 90.78 Average: 1 4.30 0.00 0.66 0.06 0.05 94.93