---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66350 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 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 777 5178 4 2275 7164 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:18:79:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80950sec preferred_lft 80950sec inet6 fe80::f816:3eff:fe18:7956/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66350) 04/04/26 _x86_64_ (2 CPU) 01:54:05 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:41 1.45 0.01 1.44 0.00 0.05 16.70 0.34 02:20:21 1.45 0.00 1.43 0.02 0.01 16.50 1.24 02:30:01 1.59 0.00 1.56 0.03 0.00 18.17 677.41 02:40:41 1.42 0.00 1.40 0.02 0.00 16.43 1.24 02:50:11 2.30 0.36 1.91 0.03 44.43 79.28 0.55 03:00:02 35.72 3.07 17.56 15.09 230.01 3175.86 111584.04 03:10:21 1.70 0.00 1.69 0.00 0.46 68.08 0.10 03:20:48 1.43 0.00 1.42 0.00 0.33 90.53 0.19 Average: 5.77 0.42 3.50 1.85 33.36 425.19 13676.30 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:41 6301868 7548708 271652 3.34 30672 1421828 521432 5.68 444804 1183280 124 02:20:21 6300356 7547744 272640 3.35 30884 1422164 521432 5.68 444948 1183824 192 02:30:01 6289004 7536928 283448 3.49 31096 1422464 521572 5.68 445072 1184340 124 02:40:41 6289004 7537516 282852 3.48 31316 1422824 521636 5.68 445084 1184920 120 02:50:11 6244464 7522800 297020 3.65 31700 1451864 521664 5.68 457348 1202280 132 03:00:02 5359368 7467476 304032 3.74 84940 2187292 552568 6.02 547240 1945784 2784 03:10:21 5294608 7415152 356416 4.38 85104 2199600 647932 7.06 600480 1958268 268 03:20:48 5264540 7408224 363360 4.47 85264 2222564 643608 7.01 603928 1981288 416 Average: 5917902 7498068 303928 3.74 51372 1718825 556480 6.06 498613 1477998 520 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:41 ens3 0.52 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.28 0.04 0.05 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:40:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:41 ens3 0.35 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.54 0.29 3.25 0.05 0.00 0.00 0.00 0.00 03:00:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:02 ens3 61.76 39.04 302.54 11.26 0.00 0.00 0.00 0.00 03:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:21 ens3 38.18 30.93 8.12 4.03 0.00 0.00 0.00 0.00 03:20:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:48 ens3 44.12 43.24 9.72 5.98 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 18.36 14.36 39.57 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66350) 04/04/26 _x86_64_ (2 CPU) 01:54:05 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:41 all 0.23 0.00 0.07 0.01 0.04 99.65 02:10:41 0 0.41 0.00 0.05 0.00 0.03 99.51 02:10:41 1 0.05 0.00 0.09 0.01 0.05 99.79 02:20:21 all 0.24 0.00 0.07 0.01 0.03 99.65 02:20:21 0 0.42 0.00 0.05 0.01 0.02 99.50 02:20:21 1 0.06 0.00 0.08 0.01 0.04 99.81 02:30:01 all 0.23 0.00 0.17 0.02 0.03 99.55 02:30:01 0 0.39 0.00 0.13 0.04 0.02 99.42 02:30:01 1 0.07 0.00 0.20 0.00 0.04 99.69 02:40:41 all 0.25 0.00 0.07 0.03 0.03 99.62 02:40:41 0 0.28 0.00 0.07 0.01 0.03 99.61 02:40:41 1 0.23 0.00 0.06 0.05 0.03 99.63 02:50:11 all 0.44 0.00 0.13 0.05 0.03 99.36 02:50:11 0 0.60 0.00 0.11 0.04 0.02 99.23 02:50:11 1 0.27 0.00 0.15 0.06 0.04 99.48 03:00:02 all 11.08 0.00 1.82 1.13 0.05 85.92 03:00:02 0 10.16 0.00 1.75 1.33 0.05 86.71 03:00:02 1 12.00 0.00 1.89 0.92 0.05 85.14 03:10:21 all 5.78 0.00 0.50 0.02 0.06 93.63 03:10:21 0 4.17 0.00 0.41 0.01 0.06 95.35 03:10:21 1 7.41 0.00 0.60 0.02 0.07 91.91 03:20:48 all 7.55 0.00 0.52 0.01 0.07 91.85 03:20:48 0 8.40 0.00 0.53 0.00 0.08 90.99 03:20:48 1 6.69 0.00 0.50 0.01 0.07 92.72 Average: all 3.23 0.00 0.41 0.15 0.04 96.16 Average: 0 3.11 0.00 0.38 0.18 0.04 96.29 Average: 1 3.35 0.00 0.44 0.13 0.05 96.03