---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17255 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 756 5209 4 2267 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:80:89:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82766sec preferred_lft 82766sec inet6 fe80::f816:3eff:fe80:8939/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17255) 05/21/26 _x86_64_ (2 CPU) 00:15:40 LINUX RESTART (2 CPU) 00:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:02 1.60 0.03 1.57 0.01 1.24 19.32 653.91 00:40:01 1.97 0.26 1.69 0.03 31.10 75.68 1.26 00:50:02 1.39 0.00 1.37 0.01 1.05 16.48 0.89 01:00:02 1.52 0.00 1.51 0.01 0.00 18.62 869.98 01:10:01 25.78 3.17 20.29 2.33 232.63 3629.81 2150.09 Average: 6.45 0.69 5.28 0.48 53.13 750.99 734.97 00:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:02 6294688 7540976 279584 3.44 30592 1421576 532072 5.80 442248 1183260 184 00:40:01 6249512 7522544 297464 3.66 30992 1447580 735492 8.01 456988 1200900 240 00:50:02 6250340 7524228 295796 3.64 31192 1448220 532436 5.80 451936 1201428 184 01:00:02 6251384 7525816 294148 3.62 31384 1448556 532436 5.80 452404 1201948 284 01:10:01 5222012 7414080 353608 4.35 86896 2266076 629436 6.86 592304 2029128 368 Average: 6053587 7505529 304120 3.74 42211 1606402 592374 6.45 479176 1363333 252 00:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.87 0.14 0.20 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 0.86 0.33 3.28 0.12 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 0.52 0.18 0.08 0.59 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.28 0.06 0.09 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 2.52 2.52 0.21 0.21 0.00 0.00 0.00 0.00 01:10:01 ens3 90.94 67.24 323.21 17.15 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 18.67 13.57 65.29 3.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17255) 05/21/26 _x86_64_ (2 CPU) 00:15:40 LINUX RESTART (2 CPU) 00:20:02 CPU %user %nice %system %iowait %steal %idle 00:30:02 all 0.31 0.00 0.17 0.01 0.03 99.48 00:30:02 0 0.13 0.00 0.18 0.01 0.04 99.65 00:30:02 1 0.49 0.00 0.16 0.02 0.03 99.31 00:40:01 all 0.35 0.00 0.10 0.03 0.03 99.49 00:40:01 0 0.22 0.00 0.09 0.02 0.03 99.64 00:40:01 1 0.48 0.00 0.11 0.04 0.03 99.34 00:50:02 all 0.25 0.00 0.07 0.01 0.03 99.64 00:50:02 0 0.24 0.00 0.07 0.01 0.03 99.65 00:50:02 1 0.25 0.00 0.07 0.02 0.03 99.63 01:00:02 all 0.27 0.00 0.15 0.01 0.03 99.54 01:00:02 0 0.28 0.00 0.14 0.01 0.02 99.55 01:00:02 1 0.25 0.00 0.16 0.01 0.04 99.54 01:10:01 all 13.14 0.00 1.86 0.64 0.06 84.30 01:10:01 0 17.36 0.00 2.09 0.45 0.05 80.05 01:10:01 1 8.93 0.00 1.64 0.82 0.06 88.56 Average: all 2.86 0.00 0.47 0.14 0.04 96.50 Average: 0 3.64 0.00 0.51 0.10 0.04 95.72 Average: 1 2.08 0.00 0.42 0.18 0.04 97.28