---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9754 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 767 5279 4 2184 7174 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:f0:7f:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81558sec preferred_lft 81558sec inet6 fe80::f816:3eff:fef0:7ffa/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-9754) 04/30/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.54 0.01 1.52 0.02 0.05 18.56 872.54 01:10:00 1.18 0.00 1.18 0.00 0.00 14.35 0.00 01:20:01 1.22 0.00 1.22 0.00 0.01 14.64 0.12 01:30:01 1.43 0.00 1.42 0.01 0.00 17.26 654.04 01:40:01 1.49 0.25 1.24 0.00 8.68 31.52 0.00 01:50:00 22.87 3.04 17.60 2.23 251.91 3226.79 611.81 02:00:01 1.49 0.00 1.46 0.03 0.00 24.10 1.72 Average: 4.45 0.47 3.66 0.33 37.18 477.42 305.46 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6293812 7540564 279724 3.44 30700 1421952 529268 5.76 440280 1183568 124 01:10:00 6293140 7540408 279920 3.44 30876 1422284 529340 5.77 440192 1184076 124 01:20:01 6308540 7556332 263996 3.25 31060 1422616 529412 5.77 441032 1184592 124 01:30:01 6290504 7538804 281500 3.46 31240 1422932 531452 5.79 441304 1185088 124 01:40:01 6287076 7543680 276516 3.40 31452 1430936 536516 5.84 448148 1192480 136 01:50:00 5242476 7359752 411696 5.06 85012 2196468 670064 7.30 627148 1957636 128 02:00:01 5201168 7320500 450916 5.54 85172 2198364 692816 7.55 640904 1959692 316 Average: 5988102 7485720 320610 3.94 46502 1645079 574124 6.25 497001 1406733 154 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.76 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.90 0.05 14.91 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.50 0.09 0.29 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.40 0.21 0.07 0.48 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 6.11 2.38 10.17 0.75 0.00 0.00 0.00 0.00 01:50:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 62.98 44.05 308.65 10.90 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.02 11.73 107.16 1.08 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 12.08 8.36 63.00 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9754) 04/30/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.27 0.00 0.17 0.01 0.03 99.52 01:00:00 0 0.25 0.00 0.16 0.01 0.03 99.56 01:00:00 1 0.30 0.00 0.17 0.02 0.03 99.48 01:10:00 all 0.23 0.00 0.07 0.01 0.03 99.66 01:10:00 0 0.38 0.00 0.06 0.01 0.03 99.53 01:10:00 1 0.09 0.00 0.08 0.01 0.04 99.78 01:20:01 all 0.27 0.00 0.07 0.01 0.03 99.62 01:20:01 0 0.33 0.00 0.06 0.01 0.02 99.57 01:20:01 1 0.21 0.00 0.08 0.01 0.04 99.66 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.52 01:30:01 0 0.32 0.00 0.17 0.02 0.03 99.47 01:30:01 1 0.23 0.00 0.15 0.00 0.03 99.58 01:40:01 all 0.33 0.00 0.07 0.01 0.03 99.56 01:40:01 0 0.50 0.00 0.07 0.01 0.03 99.40 01:40:01 1 0.15 0.00 0.07 0.01 0.04 99.73 01:50:00 all 10.94 0.00 1.67 0.53 0.07 86.79 01:50:00 0 10.67 0.00 1.67 0.61 0.06 87.00 01:50:00 1 11.22 0.00 1.68 0.45 0.08 86.58 02:00:01 all 0.84 0.00 0.29 0.02 0.08 98.78 02:00:01 0 1.03 0.00 0.34 0.01 0.11 98.51 02:00:01 1 0.66 0.00 0.23 0.02 0.04 99.05 Average: all 1.88 0.00 0.35 0.08 0.04 97.64 Average: 0 1.92 0.00 0.36 0.10 0.04 97.58 Average: 1 1.83 0.00 0.35 0.07 0.04 97.70