---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12460 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 8.0G 30G 22% / 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 762 5105 4 2363 7179 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:64:c6:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81579sec preferred_lft 81579sec inet6 fe80::f816:3eff:fe64:c66c/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-12460) 05/10/26 _x86_64_ (2 CPU) 01:44:31 LINUX RESTART (2 CPU) 01:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.66 0.01 1.64 0.01 0.05 19.27 654.22 02:10:09 1.92 0.26 1.64 0.03 32.03 74.32 1.37 02:20:09 1.34 0.00 1.32 0.01 0.01 15.47 0.65 02:30:09 14.24 0.00 1.68 12.56 0.15 20.09 109121.61 02:40:01 1.44 0.03 1.41 0.00 2.18 16.65 0.04 02:50:09 1.92 0.42 1.50 0.00 16.37 85.84 0.07 03:00:09 25.77 2.60 20.93 2.24 210.60 3326.07 509.31 Average: 6.90 0.47 4.30 2.12 37.37 508.38 15755.32 01:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6293376 7544428 276120 3.40 30688 1426016 533668 5.81 443204 1187308 124 02:10:09 6248280 7526336 293772 3.61 31068 1452280 533676 5.81 452428 1204876 128 02:20:09 6262536 7541104 279004 3.43 31248 1452608 533676 5.81 452468 1205384 124 02:30:09 6267028 7546176 273876 3.37 31428 1452976 533676 5.81 452632 1205904 124 02:40:01 6258812 7539224 280852 3.45 31592 1454072 533968 5.82 453320 1206476 244 02:50:09 6211040 7518152 301404 3.71 32092 1479868 550888 6.00 481748 1231256 388 03:00:09 5171636 7361604 409484 5.04 85280 2268188 686516 7.48 643336 2029060 564 Average: 6101815 7511003 302073 3.71 39057 1569430 558010 6.08 482734 1324323 242 01:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.16 0.07 0.15 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.61 0.19 3.13 0.03 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.92 0.04 10.82 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.48 0.03 0.80 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.39 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 13.10 7.78 39.97 3.34 0.00 0.00 0.00 0.00 03:00:09 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 65.66 48.14 335.22 11.83 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 11.78 8.06 55.82 2.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12460) 05/10/26 _x86_64_ (2 CPU) 01:44:31 LINUX RESTART (2 CPU) 01:50:09 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.29 0.00 0.18 0.01 0.01 99.51 02:00:09 0 0.29 0.00 0.18 0.02 0.01 99.50 02:00:09 1 0.28 0.00 0.17 0.01 0.02 99.52 02:10:09 all 0.37 0.00 0.10 0.02 0.01 99.49 02:10:09 0 0.46 0.00 0.07 0.01 0.01 99.44 02:10:09 1 0.28 0.00 0.13 0.04 0.02 99.54 02:20:09 all 0.21 0.00 0.08 0.74 0.01 98.95 02:20:09 0 0.36 0.00 0.07 0.00 0.01 99.56 02:20:09 1 0.06 0.00 0.09 1.48 0.02 98.35 02:30:09 all 0.28 0.00 0.19 0.04 0.02 99.48 02:30:09 0 0.37 0.00 0.19 0.06 0.01 99.37 02:30:09 1 0.20 0.00 0.19 0.01 0.02 99.58 02:40:01 all 0.29 0.00 0.08 0.25 0.01 99.36 02:40:01 0 0.12 0.00 0.09 0.26 0.02 99.52 02:40:01 1 0.45 0.00 0.08 0.25 0.01 99.21 02:50:09 all 0.65 0.00 0.14 0.07 0.01 99.13 02:50:09 0 0.80 0.00 0.12 0.02 0.01 99.04 02:50:09 1 0.50 0.00 0.16 0.11 0.02 99.21 03:00:09 all 16.22 0.00 1.86 1.24 0.07 80.62 03:00:09 0 21.26 0.00 1.91 1.25 0.06 75.51 03:00:09 1 11.17 0.00 1.82 1.22 0.07 85.72 Average: all 2.61 0.00 0.38 0.34 0.02 96.65 Average: 0 3.38 0.00 0.37 0.23 0.02 96.00 Average: 1 1.85 0.00 0.38 0.45 0.02 97.31