---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37463 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 747 5199 4 2287 7194 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:1a:5a:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81719sec preferred_lft 81719sec inet6 fe80::f816:3eff:fe1a:5a1c/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-37463) 07/21/26 _x86_64_ (2 CPU) 00:39:42 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 2.00 0.04 1.95 0.02 1.53 1668.73 218.69 01:00:09 1.61 0.01 1.59 0.02 0.05 18.67 430.76 01:10:21 1.89 0.25 1.62 0.03 30.37 75.48 1.31 01:20:01 1.46 0.01 1.45 0.00 1.10 16.92 0.18 01:30:21 13.82 0.00 1.66 12.16 0.14 19.91 106046.98 01:40:21 1.41 0.00 1.41 0.00 0.00 16.79 0.00 01:50:01 1.36 0.00 1.36 0.00 0.00 15.95 0.00 Average: 3.42 0.04 1.58 1.80 4.83 261.87 15747.76 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6291452 7542876 277208 3.41 30612 1426452 520388 5.67 445684 1187432 228 01:00:09 6291992 7543980 276088 3.39 30808 1426788 520576 5.67 445916 1187972 172 01:10:21 6238044 7517312 302368 3.72 31188 1453344 720668 7.85 460364 1206144 124 01:20:01 6250904 7530996 288684 3.55 31360 1453984 525044 5.72 453792 1206644 184 01:30:21 6252468 7533140 286500 3.52 31544 1454364 525188 5.72 453848 1207172 192 01:40:21 6260308 7541612 277992 3.42 31712 1454820 525400 5.72 454616 1207668 180 01:50:01 6260060 7541848 277748 3.42 31856 1455148 525400 5.72 454572 1208148 296 Average: 6263604 7535966 283798 3.49 31297 1446414 551809 6.01 452685 1201597 197 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.98 0.24 0.63 0.14 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.49 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:10:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:21 ens3 1.18 0.23 11.18 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.57 0.08 0.91 0.06 0.00 0.00 0.00 0.00 01:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 0.25 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:21 ens3 0.49 0.23 0.14 0.58 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.32 0.09 0.11 0.06 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 0.90 0.14 1.90 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37463) 07/21/26 _x86_64_ (2 CPU) 00:39:42 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.34 0.00 0.17 0.02 0.02 99.45 00:50:01 0 0.17 0.00 0.20 0.02 0.02 99.59 00:50:01 1 0.52 0.00 0.14 0.01 0.01 99.32 01:00:09 all 0.29 0.00 0.17 0.02 0.01 99.51 01:00:09 0 0.10 0.00 0.18 0.04 0.01 99.67 01:00:09 1 0.48 0.00 0.15 0.00 0.01 99.35 01:10:21 all 0.37 0.00 0.11 0.02 0.01 99.49 01:10:21 0 0.16 0.00 0.10 0.01 0.02 99.71 01:10:21 1 0.57 0.00 0.12 0.03 0.01 99.27 01:20:01 all 0.26 0.00 0.08 0.01 0.01 99.63 01:20:01 0 0.20 0.00 0.10 0.02 0.01 99.68 01:20:01 1 0.32 0.00 0.07 0.01 0.01 99.59 01:30:21 all 0.28 0.00 0.17 0.03 0.01 99.51 01:30:21 0 0.10 0.00 0.19 0.05 0.01 99.65 01:30:21 1 0.47 0.00 0.14 0.01 0.01 99.37 01:40:21 all 0.26 0.00 0.07 0.01 0.01 99.64 01:40:21 0 0.23 0.00 0.08 0.01 0.01 99.68 01:40:21 1 0.30 0.00 0.07 0.01 0.01 99.61 01:50:01 all 0.24 0.00 0.07 0.01 0.01 99.67 01:50:01 0 0.40 0.00 0.05 0.02 0.01 99.52 01:50:01 1 0.08 0.00 0.09 0.00 0.02 99.81 Average: all 0.29 0.00 0.12 0.02 0.01 99.56 Average: 0 0.19 0.00 0.13 0.02 0.01 99.64 Average: 1 0.39 0.00 0.11 0.01 0.01 99.47