---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23860 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 742 5228 4 2262 7199 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:4e:1b:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80645sec preferred_lft 80645sec inet6 fe80::f816:3eff:fe4e:1b07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23860) 06/05/26 _x86_64_ (2 CPU) 01:48:21 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:07 1.45 0.02 1.42 0.01 1.23 17.64 431.55 02:10:07 1.24 0.01 1.23 0.01 0.05 15.33 0.84 02:20:01 1.14 0.00 1.12 0.02 0.01 13.81 0.98 02:30:08 2.16 0.25 1.87 0.04 30.62 77.39 432.41 02:40:08 1.46 0.01 1.44 0.02 1.05 16.95 1.13 02:50:01 1.32 0.00 1.30 0.02 0.00 15.56 1.33 03:00:03 1.47 0.00 1.46 0.01 0.00 17.82 0.39 03:10:09 22.58 3.00 17.28 2.30 225.75 3470.15 896.05 03:20:10 14.97 0.00 1.48 13.49 0.15 23.21 106462.64 Average: 5.33 0.37 3.19 1.77 29.02 411.09 12013.87 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:07 6300304 7548112 272248 3.35 30556 1422956 531784 5.79 443356 1183060 232 02:10:07 6306856 7555220 265088 3.26 30768 1423288 531796 5.79 443424 1183612 132 02:20:01 6305876 7554764 265540 3.27 30964 1423608 531932 5.79 443420 1184128 124 02:30:08 6238948 7514612 305196 3.75 31368 1449612 727000 7.92 458032 1201772 184 02:40:08 6244684 7521196 298628 3.67 31568 1450256 531996 5.79 452940 1202304 132 02:50:01 6259660 7536812 282960 3.48 31764 1450704 532128 5.80 451156 1202808 264 03:00:03 6273120 7550820 268964 3.31 31952 1451032 532724 5.80 452264 1203336 228 03:10:09 5198584 7393496 374136 4.60 86772 2268844 635600 6.92 598660 2030412 132 03:20:10 5165064 7362048 405600 4.99 86904 2270776 651236 7.09 606240 2032448 132 Average: 6032566 7504120 304262 3.74 43624 1623453 578466 6.30 483277 1380431 173 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 1.61 0.05 0.21 0.03 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.36 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.26 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.43 0.24 3.09 0.03 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.36 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.87 0.18 0.27 0.15 0.00 0.00 0.00 0.00 03:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:03 ens3 0.52 0.22 0.12 0.67 0.00 0.00 0.00 0.00 03:10:09 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:09 ens3 72.76 48.92 325.38 11.83 0.00 0.00 0.00 0.00 03:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:10 ens3 11.60 9.73 71.93 0.93 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 9.94 6.66 44.90 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23860) 06/05/26 _x86_64_ (2 CPU) 01:48:21 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:07 all 0.31 0.00 0.17 0.01 0.03 99.48 02:00:07 0 0.39 0.00 0.14 0.01 0.02 99.44 02:00:07 1 0.23 0.00 0.19 0.01 0.04 99.53 02:10:07 all 0.23 0.00 0.07 0.01 0.03 99.66 02:10:07 0 0.41 0.00 0.05 0.00 0.02 99.52 02:10:07 1 0.05 0.00 0.09 0.02 0.04 99.80 02:20:01 all 0.25 0.00 0.07 0.01 0.03 99.64 02:20:01 0 0.45 0.00 0.05 0.01 0.02 99.48 02:20:01 1 0.05 0.00 0.09 0.01 0.04 99.81 02:30:08 all 0.40 0.00 0.18 0.02 0.03 99.37 02:30:08 0 0.59 0.00 0.17 0.03 0.02 99.19 02:30:08 1 0.21 0.00 0.20 0.01 0.03 99.54 02:40:08 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:08 0 0.45 0.00 0.06 0.01 0.02 99.46 02:40:08 1 0.06 0.00 0.09 0.01 0.03 99.82 02:50:01 all 0.27 0.00 0.09 0.01 0.03 99.60 02:50:01 0 0.44 0.00 0.07 0.01 0.02 99.47 02:50:01 1 0.11 0.00 0.10 0.02 0.03 99.73 03:00:03 all 0.28 0.00 0.17 0.01 0.02 99.52 03:00:03 0 0.26 0.00 0.17 0.01 0.02 99.53 03:00:03 1 0.29 0.00 0.17 0.01 0.02 99.51 03:10:09 all 11.94 0.00 1.72 0.46 0.05 85.83 03:10:09 0 14.46 0.00 1.88 0.61 0.05 83.00 03:10:09 1 9.41 0.00 1.56 0.30 0.05 88.67 03:20:10 all 0.87 0.00 0.20 0.03 0.05 98.85 03:20:10 0 0.81 0.00 0.21 0.05 0.06 98.88 03:20:10 1 0.93 0.00 0.19 0.01 0.05 98.82 Average: all 1.65 0.00 0.31 0.06 0.03 97.94 Average: 0 2.04 0.00 0.31 0.08 0.03 97.54 Average: 1 1.27 0.00 0.30 0.04 0.04 98.35