---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1955 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 769 5010 4 2463 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:f3:c7:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82006sec preferred_lft 82006sec inet6 fe80::f816:3eff:fef3:c7e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1955) 08/04/26 _x86_64_ (2 CPU) 01:45:24 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 1.75 0.05 1.69 0.01 3.38 20.01 435.81 02:10:13 1.42 0.01 1.40 0.02 0.05 15.88 1.20 02:20:13 2.00 0.26 1.72 0.02 32.08 77.23 0.95 02:30:12 1.58 0.00 1.57 0.01 0.00 17.87 435.87 02:40:12 13.97 0.00 1.42 12.55 0.15 16.65 109166.63 02:50:00 15.49 1.52 13.02 0.94 112.52 2337.23 588.61 Average: 6.00 0.30 3.44 2.26 24.39 407.55 18494.74 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 6301212 7548776 271940 3.34 30632 1422604 539304 5.87 442260 1183660 132 02:10:13 6316136 7564260 256456 3.15 30856 1422936 538056 5.86 441296 1184216 132 02:20:13 6258664 7534472 285780 3.51 31228 1449892 538120 5.86 450624 1202460 172 02:30:12 6272024 7548372 271860 3.34 31404 1450216 538120 5.86 450556 1202968 132 02:40:12 6251180 7528220 291876 3.59 31584 1450720 565972 6.16 479176 1203492 228 02:50:00 5426656 7364760 415212 5.11 71636 2037464 658004 7.17 595444 1814356 52744 Average: 6137645 7514810 298854 3.67 37890 1538972 562929 6.13 476559 1298525 8923 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 0.69 0.06 0.08 0.02 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.35 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.92 0.24 10.08 0.05 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 6.19 3.86 4.12 3.34 0.00 0.00 0.00 0.00 02:50:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:00 ens3 42.61 26.55 284.20 10.00 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.37 5.05 48.96 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1955) 08/04/26 _x86_64_ (2 CPU) 01:45:24 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 0.26 0.00 0.18 0.02 0.03 99.52 02:00:13 0 0.12 0.00 0.18 0.03 0.04 99.63 02:00:13 1 0.39 0.00 0.17 0.01 0.03 99.41 02:10:13 all 0.24 0.00 0.07 0.01 0.03 99.65 02:10:13 0 0.06 0.00 0.08 0.02 0.03 99.81 02:10:13 1 0.42 0.00 0.06 0.00 0.03 99.49 02:20:13 all 0.36 0.00 0.10 0.02 0.03 99.49 02:20:13 0 0.67 0.00 0.10 0.04 0.02 99.17 02:20:13 1 0.06 0.00 0.10 0.01 0.04 99.80 02:30:12 all 0.26 0.00 0.15 0.01 0.03 99.55 02:30:12 0 0.46 0.00 0.12 0.02 0.02 99.38 02:30:12 1 0.07 0.00 0.17 0.00 0.04 99.72 02:40:12 all 0.38 0.00 0.10 0.03 0.03 99.46 02:40:12 0 0.53 0.00 0.07 0.02 0.02 99.36 02:40:12 1 0.24 0.00 0.12 0.05 0.03 99.56 02:50:00 all 6.44 0.00 0.90 0.54 0.04 92.08 02:50:00 0 6.16 0.00 0.90 0.59 0.04 92.30 02:50:00 1 6.71 0.00 0.91 0.49 0.04 91.85 Average: all 1.31 0.00 0.25 0.10 0.03 98.31 Average: 0 1.32 0.00 0.24 0.12 0.03 98.30 Average: 1 1.29 0.00 0.25 0.09 0.03 98.33