---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11203 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 762 5278 4 2190 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:bb:10:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80004sec preferred_lft 80004sec inet6 fe80::f816:3eff:febb:10f1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11203) 05/06/26 _x86_64_ (2 CPU) 00:40:48 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 0.99 0.01 0.97 0.01 0.05 14.46 0.32 01:10:36 0.81 0.00 0.81 0.00 0.00 12.18 0.00 01:20:01 14.24 0.01 0.92 13.31 0.17 13.10 115871.33 01:30:36 0.91 0.00 0.90 0.01 0.00 14.02 0.29 01:40:26 0.84 0.00 0.84 0.00 0.00 12.83 0.00 01:50:01 0.84 0.00 0.84 0.00 0.00 12.48 0.00 02:00:36 21.59 2.85 16.61 2.13 215.63 3012.71 1364.59 02:10:36 0.95 0.00 0.95 0.00 0.00 14.04 0.00 02:20:01 0.86 0.00 0.86 0.00 0.00 13.05 0.00 Average: 4.72 0.34 2.73 1.65 25.36 365.74 12285.06 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6248188 7531872 287728 3.54 31000 1458080 743116 8.09 468612 1204128 160 01:10:36 6247292 7531484 288132 3.54 31168 1458412 743308 8.10 468776 1204628 60 01:20:01 6244384 7529132 290428 3.57 31324 1458792 747400 8.14 469512 1205136 188 01:30:36 6251088 7536356 283168 3.48 31492 1459124 747412 8.14 469568 1205636 60 01:40:26 6254208 7540088 279428 3.44 31652 1459568 747540 8.14 470016 1206124 68 01:50:01 6254964 7541324 278188 3.42 31788 1459908 747552 8.14 470060 1206588 128 02:00:36 5267232 7395348 375572 4.62 85168 2206960 851292 9.27 606604 1961464 12 02:10:36 5265468 7394036 376888 4.63 85264 2207316 851292 9.27 606716 1961916 68 02:20:01 5265468 7394492 376428 4.63 85364 2207672 851292 9.27 606688 1962372 164 Average: 5922032 7488237 315107 3.87 49358 1708426 781134 8.51 515172 1457555 101 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.65 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:36 ens3 0.86 0.06 5.79 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 0.61 0.12 0.99 0.06 0.00 0.00 0.00 0.00 01:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:36 ens3 0.23 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 0.47 0.21 0.11 0.63 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.24 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:00:36 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:36 ens3 62.42 40.71 286.47 10.44 0.00 0.00 0.00 0.00 02:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:36 ens3 1.10 0.18 0.12 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.52 0.15 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.85 4.88 34.50 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11203) 05/06/26 _x86_64_ (2 CPU) 00:40:48 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.30 0.00 0.17 0.01 0.02 99.50 01:00:06 0 0.12 0.00 0.18 0.02 0.02 99.66 01:00:06 1 0.48 0.00 0.17 0.00 0.02 99.34 01:10:36 all 0.27 0.00 0.08 0.01 0.03 99.61 01:10:36 0 0.05 0.00 0.09 0.01 0.03 99.83 01:10:36 1 0.50 0.00 0.07 0.01 0.03 99.40 01:20:01 all 0.30 0.00 0.10 0.03 0.03 99.54 01:20:01 0 0.25 0.00 0.09 0.02 0.03 99.61 01:20:01 1 0.35 0.00 0.11 0.04 0.03 99.47 01:30:36 all 0.28 0.00 0.16 0.01 0.03 99.53 01:30:36 0 0.08 0.00 0.17 0.01 0.03 99.71 01:30:36 1 0.48 0.00 0.15 0.00 0.03 99.35 01:40:26 all 0.27 0.00 0.08 0.01 0.03 99.62 01:40:26 0 0.34 0.00 0.07 0.01 0.02 99.56 01:40:26 1 0.20 0.00 0.09 0.01 0.03 99.68 01:50:01 all 0.24 0.00 0.07 0.01 0.02 99.65 01:50:01 0 0.06 0.00 0.08 0.01 0.03 99.82 01:50:01 1 0.43 0.00 0.06 0.01 0.02 99.48 02:00:36 all 10.49 0.00 1.69 0.47 0.06 87.29 02:00:36 0 13.24 0.00 1.92 0.48 0.06 84.30 02:00:36 1 7.75 0.00 1.46 0.46 0.05 90.27 02:10:36 all 0.38 0.00 0.14 0.01 0.04 99.43 02:10:36 0 0.33 0.00 0.20 0.01 0.06 99.40 02:10:36 1 0.43 0.00 0.08 0.01 0.03 99.47 02:20:01 all 0.39 0.00 0.13 0.00 0.04 99.43 02:20:01 0 0.31 0.00 0.18 0.00 0.06 99.45 02:20:01 1 0.47 0.00 0.08 0.01 0.02 99.42 Average: all 1.50 0.00 0.30 0.06 0.03 98.10 Average: 0 1.72 0.00 0.34 0.07 0.04 97.83 Average: 1 1.28 0.00 0.26 0.06 0.03 98.37