---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8873 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: 5600.00 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 739 5304 4 2186 7202 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:40:99:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81481sec preferred_lft 81481sec inet6 fe80::f816:3eff:fe40:9962/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8873) 04/28/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.44 0.01 1.41 0.02 0.05 17.60 868.49 01:10:24 1.37 0.00 1.36 0.02 0.00 15.79 1.28 01:20:01 1.34 0.00 1.32 0.02 0.01 15.65 1.25 01:30:04 2.01 0.31 1.66 0.04 38.86 75.34 435.42 01:40:10 1.95 0.44 1.49 0.02 17.75 86.37 1.43 01:50:01 35.73 2.64 17.21 15.88 214.62 3124.88 108919.06 02:00:24 1.49 0.00 1.48 0.02 0.00 24.11 0.44 Average: 6.38 0.48 3.66 2.24 38.14 471.13 15434.57 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6284556 7531280 289096 3.55 30688 1421928 527972 5.75 446368 1183436 176 01:10:24 6284560 7531816 288532 3.55 30892 1422256 528004 5.75 446428 1183968 132 01:20:01 6285196 7532992 287348 3.53 31096 1422584 528000 5.75 446832 1184500 128 01:30:04 6229940 7506856 312860 3.85 31500 1450884 730840 7.96 463692 1202140 196 01:40:10 6184496 7488760 330612 4.07 32076 1477276 551644 6.01 486896 1227152 548 01:50:01 5285608 7405372 366184 4.50 85128 2198844 635436 6.92 594664 1957696 240 02:00:24 5233756 7355572 415904 5.11 85268 2200772 658228 7.17 608480 1959756 172 Average: 5969730 7478950 327219 4.02 46664 1656363 594303 6.47 499051 1414093 227 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.54 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 0.55 0.06 1.76 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 0.47 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.49 0.21 3.13 0.05 0.00 0.00 0.00 0.00 01:40:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 16.30 9.23 40.52 3.62 0.00 0.00 0.00 0.00 01:50:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 56.47 39.90 278.68 8.80 0.00 0.00 0.00 0.00 02:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:24 ens3 12.41 11.51 103.31 1.06 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 12.37 8.67 60.80 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8873) 04/28/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.26 0.00 0.17 0.01 0.03 99.53 01:00:04 0 0.44 0.00 0.14 0.02 0.03 99.37 01:00:04 1 0.08 0.00 0.19 0.00 0.04 99.68 01:10:24 all 0.24 0.00 0.07 0.01 0.03 99.65 01:10:24 0 0.36 0.00 0.05 0.00 0.02 99.57 01:10:24 1 0.12 0.00 0.09 0.02 0.04 99.74 01:20:01 all 0.22 0.00 0.07 0.01 0.04 99.66 01:20:01 0 0.08 0.00 0.07 0.02 0.04 99.79 01:20:01 1 0.36 0.00 0.07 0.00 0.04 99.53 01:30:04 all 0.39 0.00 0.18 0.03 0.04 99.36 01:30:04 0 0.38 0.00 0.17 0.03 0.03 99.38 01:30:04 1 0.39 0.00 0.20 0.02 0.04 99.35 01:40:10 all 0.61 0.00 0.13 0.02 0.04 99.20 01:40:10 0 0.46 0.00 0.13 0.04 0.04 99.34 01:40:10 1 0.77 0.00 0.12 0.01 0.03 99.06 01:50:01 all 10.66 0.00 1.63 0.55 0.07 87.09 01:50:01 0 14.45 0.00 1.92 0.41 0.08 83.14 01:50:01 1 6.86 0.00 1.34 0.69 0.07 91.04 02:00:24 all 0.85 0.00 0.27 0.01 0.06 98.80 02:00:24 0 0.60 0.00 0.20 0.01 0.04 99.15 02:00:24 1 1.11 0.00 0.35 0.01 0.09 98.45 Average: all 1.86 0.00 0.36 0.09 0.04 97.65 Average: 0 2.35 0.00 0.38 0.08 0.04 97.15 Average: 1 1.37 0.00 0.34 0.11 0.05 98.14