---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27979 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 8.1G 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 772 4938 4 2532 7169 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:ca:3b:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8141sec preferred_lft 8141sec inet6 fe80::f816:3eff:feca:3bd1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27979) 06/18/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:23 1.67 0.01 1.65 0.01 0.79 19.72 0.21 00:20:33 1.95 0.10 1.81 0.03 3.00 25.01 487.46 00:30:33 1.80 0.00 1.79 0.01 0.00 19.84 0.23 00:40:03 24.57 3.14 19.05 2.38 236.85 3509.13 967.43 00:50:24 3.93 0.06 3.22 0.65 2.05 497.76 1841.81 Average: 6.54 0.63 5.31 0.60 45.87 777.40 659.87 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:23 6114584 7515016 293924 3.61 54308 1542012 531008 5.78 470276 1313408 248 00:20:33 6140596 7502944 305948 3.76 54424 1503740 528224 5.75 468712 1275040 172 00:30:33 6140180 7502968 305752 3.76 54524 1504068 528364 5.75 468876 1275468 124 00:40:03 5172196 7449484 307260 3.78 105388 2323216 553120 6.02 551688 2100232 26936 00:50:24 5071000 7347912 413856 5.09 106256 2328692 638416 6.95 635568 2106372 120792 Average: 5727711 7463665 325348 4.00 74980 1840346 555826 6.05 519024 1614104 29654 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:23 ens3 0.33 0.07 0.09 0.04 0.00 0.00 0.00 0.00 00:20:33 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:33 ens3 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:33 ens3 0.55 0.15 0.18 0.10 0.00 0.00 0.00 0.00 00:40:03 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 65.24 47.04 330.83 12.29 0.00 0.00 0.00 0.00 00:50:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:24 ens3 35.98 30.75 116.83 16.69 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 19.92 15.25 86.50 5.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27979) 06/18/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:23 all 0.20 0.00 0.10 0.01 0.03 99.66 00:10:23 0 0.34 0.00 0.08 0.01 0.02 99.54 00:10:23 1 0.05 0.00 0.12 0.01 0.05 99.78 00:20:33 all 0.65 0.00 0.20 0.01 0.04 99.10 00:20:33 0 0.35 0.00 0.19 0.02 0.05 99.38 00:20:33 1 0.95 0.00 0.20 0.00 0.02 98.82 00:30:33 all 0.27 0.00 0.14 0.01 0.04 99.54 00:30:33 0 0.28 0.00 0.14 0.01 0.03 99.54 00:30:33 1 0.26 0.00 0.14 0.01 0.05 99.55 00:40:03 all 12.20 0.00 1.76 0.50 0.06 85.47 00:40:03 0 13.52 0.00 1.80 0.55 0.07 84.07 00:40:03 1 10.89 0.00 1.72 0.46 0.05 86.87 00:50:24 all 8.82 0.00 0.49 0.15 0.08 90.46 00:50:24 0 6.84 0.00 0.53 0.20 0.08 92.35 00:50:24 1 10.79 0.00 0.45 0.10 0.08 88.57 Average: all 4.34 0.00 0.52 0.13 0.05 94.96 Average: 0 4.15 0.00 0.53 0.15 0.05 95.12 Average: 1 4.53 0.00 0.51 0.11 0.05 94.80