---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4739 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 7.9G 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 746 5287 4 2196 7195 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:58:44:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81766sec preferred_lft 81766sec inet6 fe80::f816:3eff:fe58:44c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4739) 04/20/26 _x86_64_ (2 CPU) 01:58:20 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.27 0.03 1.24 0.00 2.29 15.46 0.17 02:20:07 1.35 0.01 1.34 0.00 0.07 16.56 0.15 02:30:08 1.54 0.00 1.51 0.02 0.00 18.75 0.51 02:40:07 1.19 0.00 1.17 0.02 0.00 14.52 1.20 02:50:08 1.17 0.00 1.15 0.02 0.00 14.47 1.20 03:00:08 2.55 1.03 1.48 0.04 78.71 97.02 1.60 03:10:09 33.90 2.00 16.88 15.02 149.37 3077.68 109281.28 Average: 6.14 0.44 3.54 2.16 32.94 465.47 15632.17 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 6262708 7543176 276516 3.40 30812 1454856 520964 5.67 458608 1203976 216 02:20:07 6267272 7548284 271376 3.34 31004 1455196 576192 6.28 463852 1204512 124 02:30:08 6266780 7548312 271352 3.34 31192 1455516 521220 5.68 458796 1205024 160 02:40:07 6272112 7554176 265492 3.26 31392 1455840 522148 5.69 460084 1205548 128 02:50:08 6269624 7552248 267412 3.29 31612 1456172 522140 5.69 460332 1206100 188 03:00:08 6109288 7459372 356860 4.39 37256 1515040 597340 6.51 562536 1259696 14272 03:10:09 5286776 7407496 364092 4.48 85116 2199664 638608 6.96 606264 1957376 228 Average: 6104937 7516152 296157 3.64 39769 1570326 556945 6.07 495782 1320319 2188 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 1.04 0.05 0.11 0.01 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.44 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.56 0.15 0.19 0.11 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 15.93 9.60 50.45 4.54 0.00 0.00 0.00 0.00 03:10:09 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:10:09 ens3 92.68 66.45 258.14 13.89 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 15.89 10.92 44.19 2.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4739) 04/20/26 _x86_64_ (2 CPU) 01:58:20 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.29 0.00 0.08 0.01 0.03 99.60 02:10:07 0 0.06 0.00 0.08 0.02 0.03 99.80 02:10:07 1 0.51 0.00 0.07 0.00 0.02 99.39 02:20:07 all 0.27 0.00 0.09 0.01 0.02 99.62 02:20:07 0 0.33 0.00 0.08 0.02 0.02 99.56 02:20:07 1 0.21 0.00 0.10 0.01 0.02 99.67 02:30:08 all 0.30 0.00 0.19 0.01 0.02 99.47 02:30:08 0 0.29 0.00 0.20 0.00 0.02 99.49 02:30:08 1 0.31 0.00 0.18 0.02 0.02 99.46 02:40:07 all 0.30 0.00 0.07 0.01 0.03 99.59 02:40:07 0 0.13 0.00 0.09 0.01 0.04 99.74 02:40:07 1 0.47 0.00 0.06 0.01 0.02 99.44 02:50:08 all 0.27 0.00 0.07 0.01 0.02 99.62 02:50:08 0 0.05 0.00 0.08 0.01 0.03 99.83 02:50:08 1 0.50 0.00 0.07 0.01 0.02 99.41 03:00:08 all 0.85 0.00 0.30 0.03 0.03 98.79 03:00:08 0 0.56 0.00 0.33 0.03 0.03 99.05 03:00:08 1 1.15 0.00 0.28 0.03 0.02 98.52 03:10:09 all 13.77 0.00 1.90 0.57 0.06 83.70 03:10:09 0 16.12 0.00 2.08 0.49 0.05 81.26 03:10:09 1 11.43 0.00 1.72 0.66 0.06 86.13 Average: all 2.29 0.00 0.39 0.09 0.03 97.20 Average: 0 2.51 0.00 0.42 0.08 0.03 96.96 Average: 1 2.08 0.00 0.35 0.11 0.03 97.43