---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7289 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: 5599.86 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 789 5109 4 2340 7152 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:07:c7:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80596sec preferred_lft 80596sec inet6 fe80::f816:3eff:fe07:c722/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7289) 04/24/26 _x86_64_ (2 CPU) 02:01:44 LINUX RESTART (2 CPU) 02:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:05 15.63 13.55 2.04 0.05 151.19 44.68 6.49 02:30:05 2.06 0.32 1.71 0.03 39.01 76.23 865.64 02:40:04 1.32 0.01 1.30 0.02 1.05 16.24 1.01 02:50:05 1.27 0.00 1.25 0.02 0.00 15.67 1.21 03:00:04 1.55 0.00 1.52 0.04 0.00 19.23 866.37 03:10:05 2.48 1.03 1.44 0.01 78.27 95.63 0.55 03:20:05 34.27 2.00 16.68 15.60 149.49 3072.96 108075.78 03:30:05 1.68 0.00 1.66 0.02 0.35 74.03 0.25 Average: 7.53 2.11 3.45 1.97 52.42 426.84 13727.13 02:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:05 6224276 7527576 283568 3.49 34632 1466220 527736 5.75 440776 1231044 224 02:30:05 6196228 7528584 281896 3.47 35000 1494496 730148 7.95 457840 1248624 224 02:40:04 6199104 7532316 278220 3.42 35204 1495136 527908 5.75 452472 1249156 204 02:50:05 6198952 7532712 277824 3.42 35420 1495460 529916 5.77 459148 1249696 224 03:00:04 6200000 7534468 276020 3.39 35648 1495928 529916 5.77 459436 1250256 288 03:10:05 6026740 7428412 378588 4.66 41152 1554664 606500 6.61 562916 1303724 14296 03:20:05 5227724 7402048 360080 4.43 88872 2241376 650476 7.08 604068 2003344 2508 03:30:05 5205672 7395096 366924 4.51 89012 2256320 651796 7.10 605768 2018332 1544 Average: 5934837 7485152 312890 3.85 49368 1687450 594300 6.47 505303 1444272 2439 02:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.53 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.58 0.20 3.12 0.03 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.67 0.08 2.94 0.05 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.61 0.11 0.17 0.09 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.30 0.06 0.10 0.05 0.00 0.00 0.00 0.00 03:10:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 13.85 8.46 50.50 4.50 0.00 0.00 0.00 0.00 03:20:05 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:20:05 ens3 60.10 45.28 251.91 8.48 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 46.29 41.93 10.36 5.71 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 12.02 39.90 2.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7289) 04/24/26 _x86_64_ (2 CPU) 02:01:44 LINUX RESTART (2 CPU) 02:10:05 CPU %user %nice %system %iowait %steal %idle 02:20:05 all 0.25 0.18 0.14 0.14 0.04 99.25 02:20:05 0 0.06 0.35 0.21 0.24 0.05 99.09 02:20:05 1 0.44 0.01 0.07 0.04 0.03 99.41 02:30:05 all 0.41 0.00 0.20 0.03 0.04 99.32 02:30:05 0 0.44 0.00 0.21 0.02 0.04 99.29 02:30:05 1 0.39 0.00 0.19 0.03 0.04 99.35 02:40:04 all 0.24 0.00 0.07 0.01 0.04 99.63 02:40:04 0 0.13 0.00 0.08 0.02 0.04 99.74 02:40:04 1 0.36 0.00 0.07 0.00 0.04 99.53 02:50:05 all 0.28 0.00 0.08 0.02 0.04 99.59 02:50:05 0 0.16 0.00 0.09 0.01 0.04 99.70 02:50:05 1 0.41 0.00 0.07 0.02 0.04 99.47 03:00:04 all 0.23 0.00 0.17 0.01 0.04 99.56 03:00:04 0 0.18 0.00 0.19 0.01 0.03 99.58 03:00:04 1 0.27 0.00 0.16 0.00 0.04 99.53 03:10:05 all 1.03 0.00 0.21 0.03 0.02 98.71 03:10:05 0 1.13 0.00 0.21 0.02 0.02 98.62 03:10:05 1 0.92 0.00 0.21 0.04 0.03 98.80 03:20:05 all 13.40 0.00 1.73 0.48 0.07 84.33 03:20:05 0 12.99 0.00 1.61 0.37 0.07 84.96 03:20:05 1 13.81 0.00 1.84 0.58 0.06 83.70 03:30:05 all 5.97 0.00 0.57 0.01 0.08 93.37 03:30:05 0 5.37 0.00 0.50 0.00 0.07 94.05 03:30:05 1 6.58 0.00 0.63 0.02 0.08 92.68 Average: all 2.72 0.02 0.39 0.09 0.04 96.73 Average: 0 2.55 0.04 0.39 0.09 0.05 96.89 Average: 1 2.89 0.00 0.40 0.09 0.04 96.57