---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38496 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 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 741 5205 4 2288 7200 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:10:89:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81125sec preferred_lft 81125sec inet6 fe80::f816:3eff:fe10:8940/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38496) 07/25/26 _x86_64_ (2 CPU) 00:35:14 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 1.34 0.02 1.32 0.00 1.24 15.69 0.12 01:00:04 1.56 0.01 1.53 0.02 0.05 18.59 871.48 01:10:04 1.17 0.00 1.17 0.00 0.00 14.10 0.12 01:20:04 1.15 0.00 1.15 0.00 0.01 14.14 0.00 01:30:05 1.48 0.03 1.44 0.01 2.20 18.00 652.88 01:40:05 14.37 0.26 1.56 12.55 32.09 76.16 109025.26 01:50:06 23.60 2.85 18.43 2.32 224.05 3519.57 673.59 02:00:06 1.56 0.00 1.52 0.04 0.00 24.35 1.51 Average: 5.78 0.40 3.52 1.87 32.46 462.68 13906.59 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 6296084 7542740 277804 3.42 30608 1421708 533904 5.82 447560 1183364 176 01:00:04 6296720 7543932 276640 3.40 30812 1422048 532252 5.80 446856 1183900 228 01:10:04 6295992 7543700 276872 3.40 30976 1422368 532320 5.80 446996 1184392 180 01:20:04 6299660 7547860 272708 3.35 31132 1422696 532416 5.80 447956 1184876 220 01:30:05 6279852 7529240 291228 3.58 31320 1423664 532712 5.80 448572 1185472 184 01:40:05 6272900 7550064 269916 3.32 31656 1450748 532704 5.80 458068 1203652 252 01:50:06 5163720 7382504 383880 4.72 87300 2290856 635416 6.92 599224 2054292 228 02:00:06 5124232 7345056 421260 5.18 87444 2292752 658236 7.17 613220 2056332 436 Average: 6003645 7498137 308788 3.80 45156 1643355 561245 6.11 488556 1404535 238 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 1.21 0.11 0.16 0.06 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.32 0.07 0.06 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.30 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.57 0.25 0.20 0.63 0.00 0.00 0.00 0.00 01:30:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.24 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.96 0.48 3.36 0.12 0.00 0.00 0.00 0.00 01:50:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 70.88 49.79 338.11 11.97 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 15.34 12.52 107.40 1.13 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.23 7.92 56.18 1.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38496) 07/25/26 _x86_64_ (2 CPU) 00:35:14 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.26 0.00 0.07 0.02 0.04 99.62 00:50:04 0 0.08 0.00 0.09 0.01 0.05 99.77 00:50:04 1 0.43 0.00 0.05 0.02 0.03 99.47 01:00:04 all 0.27 0.00 0.17 0.06 0.04 99.46 01:00:04 0 0.27 0.00 0.17 0.11 0.04 99.42 01:00:04 1 0.28 0.00 0.16 0.01 0.03 99.51 01:10:04 all 0.24 0.00 0.07 0.01 0.04 99.64 01:10:04 0 0.42 0.00 0.07 0.01 0.03 99.47 01:10:04 1 0.05 0.00 0.08 0.01 0.05 99.81 01:20:04 all 0.27 0.00 0.07 0.03 0.03 99.60 01:20:04 0 0.42 0.00 0.05 0.00 0.03 99.50 01:20:04 1 0.12 0.00 0.09 0.05 0.04 99.70 01:30:05 all 0.31 0.00 0.15 0.01 0.03 99.49 01:30:05 0 0.54 0.00 0.13 0.02 0.03 99.28 01:30:05 1 0.08 0.00 0.18 0.01 0.04 99.71 01:40:05 all 0.35 0.00 0.11 0.05 0.03 99.47 01:40:05 0 0.28 0.00 0.14 0.08 0.04 99.46 01:40:05 1 0.42 0.00 0.07 0.01 0.03 99.47 01:50:06 all 11.90 0.00 1.73 0.54 0.08 85.76 01:50:06 0 9.50 0.00 1.52 0.64 0.08 88.26 01:50:06 1 14.30 0.00 1.93 0.43 0.08 83.26 02:00:06 all 0.81 0.00 0.30 0.01 0.08 98.80 02:00:06 0 0.85 0.00 0.29 0.01 0.07 98.78 02:00:06 1 0.78 0.00 0.30 0.01 0.08 98.82 Average: all 1.80 0.00 0.33 0.09 0.05 97.73 Average: 0 1.54 0.00 0.31 0.11 0.05 97.99 Average: 1 2.06 0.00 0.36 0.07 0.05 97.47