---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53398 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 773 5263 4 2193 7168 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:de:33:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81457sec preferred_lft 81457sec inet6 fe80::f816:3eff:fede:3331/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53398) 03/27/26 _x86_64_ (2 CPU) 05:13:51 LINUX RESTART (2 CPU) 05:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:11 2.27 0.32 1.92 0.03 39.07 76.83 654.15 05:40:11 1.46 0.01 1.43 0.02 1.05 16.56 1.25 05:50:11 1.39 0.00 1.37 0.02 0.00 15.57 1.09 06:00:11 1.61 0.00 1.58 0.03 0.00 19.04 436.55 06:10:01 14.18 0.00 1.38 12.80 0.15 16.13 111036.16 06:20:11 13.05 1.73 10.35 0.97 115.62 2019.14 202.76 06:30:11 10.59 1.27 8.03 1.28 110.78 1128.36 401.93 Average: 6.36 0.48 3.74 2.13 38.37 475.11 15833.57 05:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:11 6237268 7516208 303616 3.73 30896 1453280 726272 7.91 463300 1204000 140 05:40:11 6273244 7553028 266884 3.28 31096 1453912 529136 5.76 457828 1204524 144 05:50:11 6272776 7553092 266820 3.28 31292 1454236 529348 5.77 457936 1205048 120 06:00:11 6268132 7549028 270816 3.33 31516 1454568 529348 5.77 458024 1205604 176 06:10:01 6273860 7555460 264336 3.25 31716 1455064 529348 5.77 460384 1206144 244 06:20:11 5529852 7378040 406872 5.00 69496 1954200 693796 7.56 600048 1726608 264 06:30:11 5298016 7414648 357024 4.39 85136 2195616 635384 6.92 598608 1954552 228 Average: 6021878 7502786 305195 3.75 44450 1631554 596090 6.49 499447 1386640 188 05:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:30:11 ens3 1.00 0.26 3.13 0.07 0.00 0.00 0.00 0.00 05:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:11 ens3 0.38 0.03 0.05 0.01 0.00 0.00 0.00 0.00 05:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:11 ens3 0.36 0.04 0.06 0.01 0.00 0.00 0.00 0.00 06:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:11 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 06:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:01 ens3 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 06:20:11 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 06:20:11 ens3 31.81 21.90 254.19 5.96 0.00 0.00 0.00 0.00 06:30:11 lo 1.14 1.14 0.08 0.08 0.00 0.00 0.00 0.00 06:30:11 ens3 52.22 36.09 47.17 10.66 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 12.41 8.40 44.16 2.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53398) 03/27/26 _x86_64_ (2 CPU) 05:13:51 LINUX RESTART (2 CPU) 05:20:11 CPU %user %nice %system %iowait %steal %idle 05:30:11 all 0.37 0.00 0.20 0.02 0.04 99.36 05:30:11 0 0.41 0.00 0.21 0.03 0.03 99.32 05:30:11 1 0.34 0.00 0.20 0.01 0.04 99.41 05:40:11 all 0.26 0.00 0.07 0.02 0.04 99.62 05:40:11 0 0.06 0.00 0.09 0.02 0.05 99.78 05:40:11 1 0.45 0.00 0.06 0.01 0.03 99.45 05:50:11 all 0.23 0.00 0.07 0.01 0.04 99.65 05:50:11 0 0.29 0.00 0.05 0.01 0.03 99.63 05:50:11 1 0.17 0.00 0.10 0.02 0.04 99.67 06:00:11 all 0.18 0.00 0.16 0.01 0.04 99.60 06:00:11 0 0.18 0.00 0.16 0.02 0.04 99.60 06:00:11 1 0.19 0.00 0.16 0.01 0.04 99.61 06:10:01 all 0.29 0.00 0.08 0.03 0.04 99.56 06:10:01 0 0.05 0.00 0.12 0.06 0.05 99.72 06:10:01 1 0.52 0.00 0.05 0.00 0.03 99.40 06:20:11 all 5.42 0.00 0.84 0.35 0.04 93.35 06:20:11 0 3.43 0.00 0.67 0.31 0.05 95.54 06:20:11 1 7.40 0.00 1.00 0.40 0.04 91.16 06:30:11 all 8.17 0.00 1.16 0.21 0.06 90.41 06:30:11 0 8.93 0.00 1.21 0.20 0.05 89.61 06:30:11 1 7.41 0.00 1.11 0.22 0.06 91.21 Average: all 2.14 0.00 0.37 0.09 0.04 97.35 Average: 0 1.92 0.00 0.36 0.09 0.04 97.59 Average: 1 2.37 0.00 0.38 0.10 0.04 97.11