---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53633 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: 5599.94 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 756 5208 4 2265 7185 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:8d:28:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81026sec preferred_lft 81026sec inet6 fe80::f816:3eff:fe8d:28e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53633) 03/28/26 _x86_64_ (2 CPU) 00:42:50 LINUX RESTART (2 CPU) 00:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:25 1.49 0.01 1.46 0.02 0.05 18.35 654.27 01:10:01 14.94 0.33 1.53 13.08 40.77 74.56 113693.01 01:20:25 1.26 0.01 1.24 0.01 1.03 15.33 0.41 01:30:05 1.37 0.00 1.35 0.01 0.00 16.87 675.79 01:40:01 1.17 0.00 1.17 0.00 0.00 14.40 0.00 01:50:25 21.85 3.05 16.67 2.13 223.44 3017.63 792.17 02:00:15 1.75 0.01 1.71 0.03 0.49 66.62 382.18 02:10:01 1.33 0.00 1.28 0.04 0.35 97.26 0.33 Average: 5.70 0.44 3.39 1.87 34.38 431.81 14033.13 00:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:25 6288732 7535044 285452 3.51 30676 1421548 524832 5.72 442140 1183440 132 01:10:01 6227628 7502668 317112 3.90 31068 1449496 730740 7.96 459464 1200688 168 01:20:25 6245016 7520896 299044 3.68 31260 1450132 525116 5.72 454300 1201204 188 01:30:05 6236716 7513148 306728 3.77 31464 1450468 525116 5.72 454396 1201736 288 01:40:01 6244304 7521368 298512 3.67 31632 1450916 525928 5.73 455696 1202232 164 01:50:25 5349640 7458076 313632 3.86 85580 2187140 555512 6.05 548656 1946520 140 02:00:15 5275032 7396384 375336 4.62 85772 2199904 651636 7.10 601524 1959476 316 02:10:01 5248476 7394108 377512 4.64 85984 2223988 646064 7.04 604824 1983632 948 Average: 5889443 7480212 321666 3.96 51680 1729199 585618 6.38 502625 1484866 293 00:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:25 ens3 0.54 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.70 0.25 3.20 0.05 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.56 0.07 0.13 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.46 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.47 0.14 0.11 0.54 0.00 0.00 0.00 0.00 01:50:25 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:25 ens3 62.58 44.59 286.32 10.95 0.00 0.00 0.00 0.00 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 40.93 34.53 8.63 4.36 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 32.71 31.58 9.47 5.53 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 17.59 14.04 40.10 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53633) 03/28/26 _x86_64_ (2 CPU) 00:42:50 LINUX RESTART (2 CPU) 00:50:25 CPU %user %nice %system %iowait %steal %idle 01:00:25 all 0.25 0.00 0.17 0.02 0.03 99.53 01:00:25 0 0.42 0.00 0.14 0.02 0.02 99.39 01:00:25 1 0.08 0.00 0.19 0.03 0.03 99.68 01:10:01 all 0.38 0.00 0.13 0.05 0.03 99.42 01:10:01 0 0.41 0.00 0.10 0.02 0.03 99.44 01:10:01 1 0.34 0.00 0.15 0.08 0.04 99.39 01:20:25 all 0.25 0.00 0.07 0.01 0.03 99.63 01:20:25 0 0.40 0.00 0.06 0.01 0.03 99.50 01:20:25 1 0.10 0.00 0.08 0.01 0.04 99.77 01:30:05 all 0.28 0.00 0.16 0.02 0.03 99.52 01:30:05 0 0.48 0.00 0.12 0.02 0.03 99.35 01:30:05 1 0.08 0.00 0.19 0.01 0.04 99.68 01:40:01 all 0.19 0.00 0.07 0.01 0.03 99.70 01:40:01 0 0.33 0.00 0.05 0.00 0.02 99.60 01:40:01 1 0.05 0.00 0.09 0.02 0.04 99.80 01:50:25 all 10.07 0.00 1.56 0.57 0.05 87.75 01:50:25 0 8.59 0.00 1.29 0.53 0.04 89.56 01:50:25 1 11.55 0.00 1.83 0.61 0.06 85.95 02:00:15 all 6.23 0.00 0.55 0.02 0.08 93.13 02:00:15 0 6.76 0.00 0.60 0.02 0.07 92.55 02:00:15 1 5.71 0.00 0.50 0.01 0.08 93.70 02:10:01 all 7.95 0.00 0.50 0.01 0.07 91.47 02:10:01 0 8.79 0.00 0.52 0.02 0.07 90.60 02:10:01 1 7.10 0.00 0.48 0.01 0.06 92.35 Average: all 3.22 0.00 0.41 0.09 0.04 96.24 Average: 0 3.28 0.00 0.37 0.08 0.04 96.23 Average: 1 3.16 0.00 0.45 0.10 0.05 96.24