---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12466 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 770 5270 4 2189 7171 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:4f:b1:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81109sec preferred_lft 81109sec inet6 fe80::f816:3eff:fe4f:b181/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12466) 05/10/26 _x86_64_ (2 CPU) 01:44:41 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:23 1.54 0.03 1.50 0.01 1.21 18.21 422.08 02:10:23 1.25 0.00 1.23 0.02 0.00 14.96 1.20 02:20:23 1.24 0.00 1.23 0.02 0.01 14.93 1.09 02:30:23 1.40 0.00 1.37 0.03 0.00 16.95 654.99 02:40:23 1.78 0.25 1.50 0.03 30.97 73.67 1.37 02:50:13 2.79 1.34 1.43 0.03 98.55 112.81 1.14 03:00:23 33.73 1.69 16.66 15.38 130.27 3026.78 106071.27 03:10:23 1.51 0.00 1.49 0.01 0.00 24.52 0.16 Average: 5.70 0.41 3.32 1.96 32.56 417.25 13560.18 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:23 6287856 7538892 281580 3.46 30664 1425980 528400 5.76 451332 1187484 132 02:10:23 6282844 7534428 286016 3.52 30880 1426312 531992 5.79 447852 1188032 132 02:20:23 6281392 7533516 286920 3.53 31088 1426636 532196 5.80 447924 1188564 132 02:30:23 6278680 7531344 289080 3.55 31292 1426960 532196 5.80 448000 1189092 132 02:40:23 6231252 7510588 309416 3.80 31676 1452896 726600 7.91 462804 1206648 132 02:50:13 6008560 7389796 424420 5.22 39504 1541756 652672 7.11 593156 1290488 44104 03:00:23 5235012 7357660 413880 5.09 85184 2201392 665044 7.24 626368 1962628 172 03:10:23 5197588 7322280 449264 5.52 85352 2203288 687860 7.49 641280 1964676 160 Average: 5975398 7464813 342572 4.21 45705 1638152 607120 6.61 514840 1397202 5637 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:23 ens3 1.14 0.05 0.14 0.03 0.00 0.00 0.00 0.00 02:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:23 ens3 0.40 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.89 0.03 10.82 0.01 0.00 0.00 0.00 0.00 02:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:23 ens3 0.48 0.03 0.80 0.01 0.00 0.00 0.00 0.00 02:40:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:23 ens3 0.57 0.22 3.18 0.06 0.00 0.00 0.00 0.00 02:50:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 21.88 11.56 51.61 4.61 0.00 0.00 0.00 0.00 03:00:23 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:00:23 ens3 51.60 37.94 260.49 7.54 0.00 0.00 0.00 0.00 03:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:23 ens3 13.81 12.15 107.36 1.09 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 11.36 7.77 54.51 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12466) 05/10/26 _x86_64_ (2 CPU) 01:44:41 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:23 all 0.27 0.00 0.16 0.01 0.03 99.53 02:00:23 0 0.16 0.00 0.18 0.01 0.03 99.62 02:00:23 1 0.39 0.00 0.13 0.01 0.03 99.43 02:10:23 all 0.30 0.00 0.07 0.01 0.04 99.58 02:10:23 0 0.44 0.00 0.05 0.01 0.03 99.47 02:10:23 1 0.17 0.00 0.08 0.01 0.04 99.69 02:20:23 all 0.25 0.00 0.07 0.01 0.03 99.65 02:20:23 0 0.24 0.00 0.07 0.01 0.02 99.66 02:20:23 1 0.25 0.00 0.07 0.01 0.03 99.64 02:30:23 all 0.29 0.00 0.16 0.01 0.03 99.51 02:30:23 0 0.07 0.00 0.18 0.01 0.03 99.71 02:30:23 1 0.51 0.00 0.14 0.01 0.02 99.31 02:40:23 all 0.38 0.00 0.10 0.02 0.03 99.48 02:40:23 0 0.26 0.00 0.12 0.02 0.03 99.57 02:40:23 1 0.51 0.00 0.07 0.02 0.02 99.38 02:50:13 all 1.08 0.00 0.23 0.04 0.02 98.63 02:50:13 0 1.14 0.00 0.25 0.04 0.02 98.54 02:50:13 1 1.01 0.00 0.21 0.03 0.02 98.72 03:00:23 all 9.95 0.00 1.62 0.89 0.06 87.48 03:00:23 0 11.06 0.00 1.73 0.43 0.05 86.73 03:00:23 1 8.83 0.00 1.52 1.36 0.06 88.23 03:10:23 all 0.86 0.00 0.21 0.01 0.05 98.87 03:10:23 0 0.73 0.00 0.18 0.01 0.04 99.04 03:10:23 1 1.00 0.00 0.25 0.00 0.06 98.69 Average: all 1.68 0.00 0.33 0.13 0.03 97.83 Average: 0 1.77 0.00 0.35 0.07 0.03 97.78 Average: 1 1.59 0.00 0.31 0.18 0.04 97.88