---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10248 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 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 787 5108 4 2343 7154 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:d7:92:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80919sec preferred_lft 80919sec inet6 fe80::f816:3eff:fed7:928e/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-10248) 05/02/26 _x86_64_ (2 CPU) 01:58:28 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 15.75 13.57 2.13 0.05 152.37 45.97 6.49 02:20:00 1.92 0.26 1.64 0.02 31.03 74.47 0.89 02:30:00 1.60 0.01 1.56 0.04 1.05 18.60 1.51 02:40:00 1.35 0.00 1.35 0.00 0.00 15.63 0.00 02:50:00 1.36 0.00 1.36 0.00 0.00 16.13 0.00 03:00:00 1.60 0.00 1.58 0.02 0.00 19.17 0.25 03:10:00 22.42 3.01 17.20 2.21 227.61 3155.96 570.11 03:20:00 1.42 0.00 1.38 0.03 0.35 62.51 1.28 Average: 5.93 2.11 3.52 0.30 51.55 426.06 72.57 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6234344 7537828 273744 3.37 34508 1466320 538956 5.87 443168 1230760 124 02:20:00 6187692 7517872 293072 3.60 34908 1492252 733304 7.99 457836 1248320 212 02:30:00 6186544 7517596 293428 3.61 35112 1492892 538988 5.87 452768 1248852 172 02:40:00 6194132 7525684 285372 3.51 35272 1493216 539056 5.87 453284 1249344 160 02:50:00 6194132 7526196 284844 3.50 35444 1493548 539332 5.87 453584 1249848 160 03:00:00 6191912 7524608 286420 3.52 35612 1494004 539332 5.87 454108 1250344 160 03:10:00 5231112 7409332 353452 4.35 88872 2244988 642564 7.00 594920 2009032 196 03:20:00 5213808 7406572 356216 4.38 89068 2259344 653572 7.12 597836 2023472 964 Average: 5954210 7495711 303318 3.73 48600 1679570 590638 6.43 488438 1438746 268 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 1.63 0.05 0.19 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.62 0.23 3.13 0.03 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.89 0.06 4.86 0.04 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.86 0.10 1.22 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.34 0.15 0.08 0.44 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.36 0.08 0.13 0.08 0.00 0.00 0.00 0.00 03:10:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:00 ens3 73.05 49.93 304.72 12.08 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 45.21 41.43 9.37 5.32 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 15.37 11.50 40.46 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10248) 05/02/26 _x86_64_ (2 CPU) 01:58:28 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.24 0.19 0.16 0.17 0.02 99.22 02:10:00 0 0.31 0.26 0.16 0.19 0.02 99.06 02:10:00 1 0.18 0.12 0.16 0.14 0.03 99.38 02:20:00 all 0.36 0.00 0.11 0.02 0.02 99.49 02:20:00 0 0.55 0.00 0.10 0.02 0.02 99.31 02:20:00 1 0.16 0.00 0.11 0.02 0.02 99.68 02:30:00 all 0.25 0.00 0.18 0.03 0.02 99.53 02:30:00 0 0.18 0.00 0.19 0.02 0.02 99.59 02:30:00 1 0.32 0.00 0.16 0.04 0.02 99.47 02:40:00 all 0.24 0.00 0.08 0.01 0.02 99.65 02:40:00 0 0.36 0.00 0.07 0.00 0.02 99.55 02:40:00 1 0.12 0.00 0.09 0.01 0.02 99.76 02:50:00 all 0.29 0.00 0.08 0.01 0.02 99.61 02:50:00 0 0.43 0.00 0.06 0.01 0.02 99.49 02:50:00 1 0.15 0.00 0.10 0.01 0.02 99.73 03:00:00 all 0.23 0.00 0.18 0.06 0.02 99.51 03:00:00 0 0.34 0.00 0.15 0.12 0.01 99.37 03:00:00 1 0.12 0.00 0.21 0.00 0.02 99.65 03:10:00 all 13.33 0.00 1.93 0.59 0.07 84.08 03:10:00 0 14.67 0.00 2.05 0.44 0.07 82.78 03:10:00 1 11.99 0.00 1.82 0.74 0.07 85.38 03:20:00 all 6.09 0.00 0.59 0.01 0.06 93.25 03:20:00 0 5.77 0.00 0.58 0.01 0.05 93.58 03:20:00 1 6.41 0.00 0.59 0.01 0.06 92.92 Average: all 2.62 0.02 0.41 0.11 0.03 96.81 Average: 0 2.82 0.03 0.42 0.10 0.03 96.60 Average: 1 2.41 0.01 0.40 0.12 0.03 97.01