---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15977 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 788 5161 4 2280 7153 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:62:3d:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80118sec preferred_lft 80118sec inet6 fe80::f816:3eff:fe62:3da4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15977) 05/17/26 _x86_64_ (2 CPU) 01:35:51 LINUX RESTART (2 CPU) 01:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:01 1.40 0.02 1.37 0.00 1.24 16.57 0.12 02:00:01 1.51 0.01 1.48 0.02 0.05 18.12 436.94 02:10:11 1.35 0.00 1.33 0.02 0.00 15.84 1.30 02:20:11 13.95 0.01 1.39 12.56 0.16 16.24 109190.74 02:30:01 2.11 0.26 1.80 0.05 32.55 78.29 665.40 02:40:11 1.38 0.00 1.36 0.01 0.00 16.20 1.06 02:50:06 1.74 0.40 1.34 0.00 15.95 47.45 0.00 03:00:11 22.27 2.60 17.44 2.22 210.62 3151.13 812.93 03:10:11 1.40 0.00 1.40 0.00 0.35 61.45 0.03 03:20:11 5.34 0.08 4.02 1.24 5.77 495.73 2606.61 Average: 5.25 0.34 3.30 1.61 26.72 393.34 11352.16 01:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 6279420 7525864 294564 3.62 30568 1421768 523212 5.70 445864 1183216 184 02:00:01 6283484 7530488 289916 3.56 30784 1422100 523276 5.70 446148 1183764 128 02:10:11 6295288 7542836 277520 3.41 31004 1422436 523328 5.70 446440 1184300 228 02:20:11 6299920 7548068 272280 3.35 31212 1422796 523420 5.70 446492 1184860 224 02:30:01 6246132 7521464 298436 3.67 31600 1449208 524296 5.71 457096 1202468 244 02:40:11 6252224 7528112 291788 3.59 31812 1449548 524336 5.71 457196 1203008 124 02:50:06 6218020 7508956 310616 3.82 32116 1464212 541372 5.90 482604 1216452 296 03:00:11 5270252 7393824 377588 4.64 85296 2202396 628496 6.85 595960 1963776 236 03:10:11 5264688 7401928 369444 4.54 85452 2215944 639708 6.97 599188 1977352 324 03:20:11 5309312 7345092 435204 5.35 88120 2119992 686856 7.48 639376 1882580 13896 Average: 5971874 7484663 321736 3.96 47796 1659040 563830 6.14 501636 1418178 1588 01:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 1.07 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.48 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 1.06 0.03 3.42 0.01 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.64 0.03 0.89 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.63 0.36 3.19 0.36 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 0.42 0.07 0.09 0.03 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 6.03 4.21 20.02 2.63 0.00 0.00 0.00 0.00 03:00:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:11 ens3 59.95 42.50 282.51 9.19 0.00 0.00 0.00 0.00 03:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:11 ens3 41.79 37.25 8.86 4.90 0.00 0.00 0.00 0.00 03:20:11 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 03:20:11 ens3 45.35 39.71 28.12 20.63 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 15.76 12.43 34.87 3.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15977) 05/17/26 _x86_64_ (2 CPU) 01:35:51 LINUX RESTART (2 CPU) 01:40:01 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 0.27 0.00 0.15 0.01 0.22 99.35 01:50:01 0 0.13 0.00 0.21 0.01 0.17 99.48 01:50:01 1 0.42 0.00 0.08 0.01 0.28 99.21 02:00:01 all 0.32 0.00 0.17 0.02 0.01 99.47 02:00:01 0 0.31 0.00 0.17 0.01 0.01 99.50 02:00:01 1 0.33 0.00 0.18 0.03 0.02 99.45 02:10:11 all 0.27 0.00 0.08 0.07 0.01 99.57 02:10:11 0 0.23 0.00 0.08 0.01 0.01 99.66 02:10:11 1 0.31 0.00 0.07 0.13 0.01 99.47 02:20:11 all 0.27 0.00 0.09 0.04 0.02 99.59 02:20:11 0 0.19 0.00 0.10 0.01 0.02 99.68 02:20:11 1 0.35 0.00 0.08 0.06 0.02 99.49 02:30:01 all 0.43 0.00 0.21 0.02 0.02 99.32 02:30:01 0 0.32 0.00 0.21 0.02 0.02 99.44 02:30:01 1 0.54 0.00 0.21 0.02 0.02 99.21 02:40:11 all 0.25 0.00 0.07 0.01 0.02 99.65 02:40:11 0 0.07 0.00 0.08 0.01 0.02 99.82 02:40:11 1 0.43 0.00 0.06 0.01 0.02 99.49 02:50:06 all 0.55 0.00 0.10 0.01 0.02 99.32 02:50:06 0 0.64 0.00 0.08 0.01 0.01 99.26 02:50:06 1 0.46 0.00 0.13 0.02 0.02 99.37 03:00:11 all 13.79 0.00 2.06 0.50 0.07 83.58 03:00:11 0 12.62 0.00 1.97 0.44 0.08 84.90 03:00:11 1 14.95 0.00 2.15 0.55 0.07 82.28 03:10:11 all 6.10 0.00 0.59 0.01 0.06 93.24 03:10:11 0 8.12 0.00 0.68 0.01 0.06 91.12 03:10:11 1 4.10 0.00 0.50 0.01 0.05 95.34 03:20:11 all 11.85 0.00 0.87 0.10 0.09 87.08 03:20:11 0 8.00 0.00 0.80 0.14 0.10 90.96 03:20:11 1 15.72 0.00 0.94 0.07 0.08 83.19 Average: all 3.40 0.00 0.44 0.08 0.05 96.03 Average: 0 3.04 0.00 0.44 0.07 0.05 96.40 Average: 1 3.75 0.00 0.44 0.09 0.06 95.65