---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19691 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 809 5005 4 2426 7132 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:65:9d:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78680sec preferred_lft 78680sec inet6 fe80::f816:3eff:fe65:9d4f/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-19691) 05/25/26 _x86_64_ (2 CPU) 01:47:28 LINUX RESTART (2 CPU) 01:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 1.51 0.03 1.47 0.01 1.24 18.25 436.20 02:10:01 1.26 0.01 1.24 0.01 0.05 14.88 0.98 02:20:14 1.39 0.00 1.37 0.02 0.01 15.91 1.17 02:30:14 1.51 0.00 1.48 0.03 0.00 17.80 872.90 02:40:01 1.95 0.26 1.66 0.03 32.77 76.23 1.34 02:50:14 1.81 0.37 1.43 0.02 14.24 47.36 1.29 03:00:03 23.67 2.69 18.63 2.35 217.61 3493.37 904.87 03:10:01 1.25 0.00 1.25 0.00 0.00 20.82 0.05 03:20:15 1.41 0.00 1.41 0.00 0.00 19.98 0.03 03:30:15 15.16 0.00 1.66 13.49 0.15 143.24 106878.54 03:40:01 1.23 0.01 1.22 0.00 0.20 62.89 0.68 03:50:15 1.27 0.00 1.25 0.01 0.00 21.26 0.18 Average: 4.42 0.28 2.81 1.33 21.82 323.84 9092.30 01:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6293144 7544020 276240 3.40 30656 1426044 530208 5.78 443308 1187416 160 02:10:01 6292428 7543848 276440 3.40 30856 1426376 530208 5.78 443348 1187956 124 02:20:14 6291936 7543904 276376 3.40 31076 1426700 530416 5.78 443492 1188496 148 02:30:14 6287668 7540172 280096 3.44 31288 1427028 530416 5.78 443536 1189028 176 02:40:01 6241368 7521044 298792 3.67 31672 1453448 530548 5.78 452952 1206768 160 02:50:14 6235736 7530224 289492 3.56 31972 1467700 543836 5.92 477520 1220004 160 03:00:03 5168532 7366116 401344 4.94 86640 2271792 662204 7.21 621364 2034392 480 03:10:01 5161112 7360572 406888 5.00 86784 2273520 670864 7.31 621324 2036268 304 03:20:15 5149900 7350772 416688 5.12 86928 2274792 689456 7.51 640208 2037684 180 03:30:15 5090372 7328372 438892 5.40 87068 2311680 679324 7.40 629740 2074676 256 03:40:01 4956684 7209596 557472 6.85 87208 2326256 731448 7.97 681212 2089272 256 03:50:15 5037240 7292260 474856 5.84 87376 2328168 731412 7.97 681340 2091352 204 Average: 5683843 7427575 366131 4.50 59127 1867792 613362 6.68 548279 1628609 217 01:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.02 0.06 0.11 0.03 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 0.46 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.28 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.26 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.54 0.22 3.25 0.05 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 10.81 5.14 19.56 2.77 0.00 0.00 0.00 0.00 03:00:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:03 ens3 73.18 54.32 415.71 10.43 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 19.22 13.92 140.86 1.19 0.00 0.00 0.00 0.00 03:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:15 ens3 4.79 3.51 32.34 0.53 0.00 0.00 0.00 0.00 03:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:15 ens3 18.29 16.30 185.53 1.74 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 10.92 10.18 94.88 1.40 0.00 0.00 0.00 0.00 03:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:15 ens3 14.83 14.14 164.22 1.21 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.80 9.76 87.60 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19691) 05/25/26 _x86_64_ (2 CPU) 01:47:28 LINUX RESTART (2 CPU) 01:50:15 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.31 0.00 0.18 0.01 0.03 99.47 02:00:15 0 0.32 0.00 0.16 0.02 0.03 99.47 02:00:15 1 0.31 0.00 0.19 0.01 0.03 99.47 02:10:01 all 0.26 0.00 0.08 0.01 0.03 99.62 02:10:01 0 0.46 0.00 0.05 0.00 0.02 99.46 02:10:01 1 0.06 0.00 0.11 0.01 0.04 99.78 02:20:14 all 0.25 0.00 0.08 0.01 0.03 99.63 02:20:14 0 0.43 0.00 0.06 0.00 0.03 99.49 02:20:14 1 0.06 0.00 0.11 0.02 0.03 99.78 02:30:14 all 0.30 0.00 0.18 0.01 0.03 99.48 02:30:14 0 0.52 0.00 0.14 0.02 0.02 99.30 02:30:14 1 0.09 0.00 0.22 0.01 0.04 99.65 02:40:01 all 0.42 0.00 0.11 0.02 0.03 99.41 02:40:01 0 0.64 0.00 0.09 0.03 0.02 99.22 02:40:01 1 0.20 0.00 0.13 0.02 0.04 99.60 02:50:14 all 0.50 0.00 0.10 0.01 0.03 99.35 02:50:14 0 0.55 0.00 0.07 0.02 0.03 99.33 02:50:14 1 0.46 0.00 0.12 0.01 0.04 99.37 03:00:03 all 12.11 0.00 1.88 0.51 0.06 85.44 03:00:03 0 10.35 0.00 1.85 0.52 0.07 87.20 03:00:03 1 13.87 0.00 1.90 0.50 0.05 83.67 03:10:01 all 0.86 0.00 0.21 0.01 0.05 98.87 03:10:01 0 0.85 0.00 0.18 0.01 0.06 98.91 03:10:01 1 0.87 0.00 0.24 0.01 0.05 98.83 03:20:15 all 6.34 0.00 0.68 0.01 0.07 92.91 03:20:15 0 5.66 0.00 0.68 0.01 0.07 93.59 03:20:15 1 7.02 0.00 0.69 0.01 0.07 92.22 03:30:15 all 2.33 0.00 0.42 0.03 0.06 97.16 03:30:15 0 2.69 0.00 0.47 0.05 0.06 96.74 03:30:15 1 1.96 0.00 0.38 0.01 0.06 97.58 03:40:01 all 2.85 0.00 0.47 0.01 0.05 96.62 03:40:01 0 1.39 0.00 0.25 0.01 0.04 98.30 03:40:01 1 4.31 0.00 0.69 0.01 0.07 94.93 03:40:01 CPU %user %nice %system %iowait %steal %idle 03:50:15 all 0.89 0.00 0.23 0.01 0.06 98.82 03:50:15 0 1.11 0.00 0.26 0.01 0.06 98.56 03:50:15 1 0.67 0.00 0.20 0.01 0.05 99.07 Average: all 2.26 0.00 0.38 0.05 0.04 97.26 Average: 0 2.06 0.00 0.35 0.06 0.04 97.49 Average: 1 2.46 0.00 0.41 0.05 0.05 97.03