---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7971 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 755 5303 4 2170 7186 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:d9:62:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80213sec preferred_lft 80213sec inet6 fe80::f816:3eff:fed9:62b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7971) 03/22/26 _x86_64_ (2 CPU) 00:39:34 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 2.26 0.35 1.87 0.04 41.50 84.91 218.85 01:00:07 1.45 0.01 1.43 0.02 0.05 17.77 431.90 01:10:07 1.17 0.00 1.15 0.02 0.00 14.33 1.09 01:20:18 13.59 0.00 1.25 12.34 0.16 15.47 107187.58 01:30:07 1.49 0.00 1.47 0.03 0.00 18.20 444.65 01:40:01 1.16 0.00 1.14 0.02 0.00 14.08 1.10 01:50:01 21.91 3.02 16.65 2.25 227.58 3098.90 652.90 02:00:07 1.86 0.00 1.81 0.04 0.48 33.81 1.98 02:10:01 1.24 0.00 1.23 0.02 0.00 14.96 1.21 02:20:01 1.30 0.01 1.27 0.02 0.60 15.44 1.12 Average: 4.77 0.34 2.93 1.50 27.04 332.86 11088.89 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6255024 7530036 290148 3.57 30736 1449592 522464 5.69 453368 1199704 300 01:00:07 6257888 7533468 286660 3.52 30940 1449936 522464 5.69 453540 1200248 144 01:10:07 6257440 7533560 286552 3.52 31152 1450260 522528 5.69 453892 1200780 148 01:20:18 6272616 7549328 270748 3.33 31352 1450632 522592 5.69 454264 1201328 144 01:30:07 6264052 7541312 278732 3.43 31556 1450964 522664 5.69 454196 1201856 180 01:40:01 6275208 7553132 266948 3.28 31756 1451408 522884 5.70 454392 1202384 180 01:50:01 5367788 7471868 300108 3.69 85216 2183012 557636 6.07 543588 1941916 2508 02:00:07 5311756 7416576 355436 4.37 85396 2183708 626564 6.82 585760 1942792 160 02:10:01 5311252 7416588 355492 4.37 85580 2184052 626564 6.82 585704 1943312 248 02:20:01 5320412 7426452 345672 4.25 85744 2184584 626564 6.82 585936 1943896 236 Average: 5889344 7497232 303650 3.73 52943 1743815 557292 6.07 502464 1497822 425 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.09 0.38 3.38 0.14 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.75 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.69 0.06 1.43 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.83 0.23 1.17 0.52 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.43 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.47 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 63.04 39.40 295.30 10.91 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 3.91 0.92 0.83 0.21 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.73 0.20 0.09 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.63 0.28 0.11 0.04 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.46 4.17 30.27 1.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7971) 03/22/26 _x86_64_ (2 CPU) 00:39:34 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.46 0.00 0.21 0.03 0.03 99.28 00:50:01 0 0.55 0.00 0.21 0.02 0.02 99.19 00:50:01 1 0.36 0.00 0.20 0.04 0.03 99.36 01:00:07 all 0.28 0.00 0.17 0.02 0.03 99.50 01:00:07 0 0.30 0.00 0.17 0.02 0.03 99.49 01:00:07 1 0.27 0.00 0.18 0.02 0.03 99.51 01:10:07 all 0.22 0.00 0.08 0.01 0.03 99.65 01:10:07 0 0.31 0.00 0.06 0.02 0.03 99.59 01:10:07 1 0.14 0.00 0.10 0.01 0.03 99.71 01:20:18 all 0.26 0.00 0.09 0.04 0.03 99.59 01:20:18 0 0.34 0.00 0.06 0.01 0.02 99.57 01:20:18 1 0.18 0.00 0.12 0.06 0.03 99.61 01:30:07 all 0.27 0.00 0.16 0.01 0.03 99.52 01:30:07 0 0.26 0.00 0.15 0.01 0.03 99.55 01:30:07 1 0.28 0.00 0.17 0.02 0.03 99.50 01:40:01 all 0.23 0.00 0.07 0.01 0.02 99.67 01:40:01 0 0.23 0.00 0.06 0.01 0.02 99.68 01:40:01 1 0.22 0.00 0.07 0.02 0.03 99.66 01:50:01 all 10.73 0.00 1.64 0.58 0.05 87.01 01:50:01 0 13.32 0.00 1.76 0.71 0.05 84.17 01:50:01 1 8.14 0.00 1.51 0.45 0.06 89.85 02:00:07 all 0.54 0.00 0.24 0.03 0.05 99.14 02:00:07 0 0.68 0.00 0.25 0.01 0.05 99.01 02:00:07 1 0.40 0.00 0.24 0.05 0.06 99.26 02:10:01 all 0.36 0.00 0.13 0.01 0.05 99.45 02:10:01 0 0.35 0.00 0.16 0.01 0.07 99.42 02:10:01 1 0.37 0.00 0.09 0.01 0.03 99.49 02:20:01 all 0.40 0.00 0.14 0.21 0.05 99.21 02:20:01 0 0.44 0.00 0.13 0.41 0.05 98.97 02:20:01 1 0.36 0.00 0.14 0.00 0.04 99.45 Average: all 1.38 0.00 0.29 0.09 0.04 98.20 Average: 0 1.68 0.00 0.30 0.12 0.04 97.86 Average: 1 1.07 0.00 0.28 0.07 0.04 98.54