---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19696 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 785 5179 4 2268 7156 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:db:ba:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81814sec preferred_lft 81814sec inet6 fe80::f816:3eff:fedb:ba22/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19696) 05/25/26 _x86_64_ (2 CPU) 01:48:02 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.54 0.03 1.51 0.01 1.24 18.66 437.49 02:10:06 1.36 0.01 1.35 0.00 0.05 16.33 0.12 02:20:07 1.38 0.00 1.38 0.00 0.01 16.37 0.12 02:30:01 1.51 0.00 1.49 0.01 0.00 17.84 660.44 02:40:08 1.39 0.00 1.39 0.00 0.00 16.42 0.00 02:50:02 1.86 0.26 1.59 0.01 32.32 75.38 0.23 03:00:01 24.39 3.05 18.98 2.36 229.10 3550.90 979.52 Average: 4.77 0.48 3.95 0.34 37.44 529.40 295.55 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6278476 7524672 295528 3.63 30520 1421560 529360 5.77 445372 1183088 240 02:10:06 6278236 7525000 295200 3.63 30724 1421920 529360 5.77 445584 1183648 260 02:20:07 6278236 7525516 294668 3.62 30908 1422244 529492 5.77 445504 1184160 68 02:30:01 6275292 7523048 297072 3.65 31072 1422544 529492 5.77 445608 1184624 124 02:40:08 6275108 7523400 296716 3.65 31240 1422904 529556 5.77 445672 1185152 168 02:50:02 6239256 7514784 304884 3.75 31596 1449416 529612 5.77 455384 1202808 308 03:00:01 5190680 7386888 380324 4.68 86436 2270724 646408 7.04 606128 2033288 252 Average: 6116469 7503330 309199 3.80 38928 1547330 546183 5.95 469893 1308110 203 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.04 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.41 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.28 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.25 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.59 0.29 3.24 0.07 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 115.56 77.79 325.84 18.28 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 16.90 11.17 46.98 2.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19696) 05/25/26 _x86_64_ (2 CPU) 01:48:02 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.18 0.01 0.02 99.48 02:00:01 0 0.51 0.00 0.17 0.00 0.02 99.30 02:00:01 1 0.10 0.00 0.19 0.02 0.02 99.67 02:10:06 all 0.24 0.00 0.08 0.02 0.02 99.64 02:10:06 0 0.12 0.00 0.09 0.02 0.02 99.75 02:10:06 1 0.36 0.00 0.08 0.01 0.02 99.52 02:20:07 all 0.22 0.00 0.08 0.07 0.02 99.62 02:20:07 0 0.30 0.00 0.08 0.12 0.02 99.49 02:20:07 1 0.15 0.00 0.07 0.02 0.02 99.74 02:30:01 all 0.28 0.00 0.17 0.01 0.02 99.52 02:30:01 0 0.48 0.00 0.17 0.01 0.02 99.32 02:30:01 1 0.08 0.00 0.17 0.01 0.02 99.72 02:40:08 all 0.26 0.00 0.08 0.01 0.02 99.64 02:40:08 0 0.45 0.00 0.06 0.02 0.01 99.45 02:40:08 1 0.07 0.00 0.10 0.00 0.02 99.82 02:50:02 all 0.36 0.00 0.11 0.04 0.02 99.48 02:50:02 0 0.52 0.00 0.09 0.03 0.01 99.36 02:50:02 1 0.21 0.00 0.13 0.05 0.02 99.60 03:00:01 all 15.16 0.00 2.19 1.20 0.06 81.38 03:00:01 0 19.61 0.00 2.34 1.35 0.07 76.63 03:00:01 1 10.72 0.00 2.03 1.06 0.06 86.13 Average: all 2.40 0.00 0.41 0.19 0.02 96.97 Average: 0 3.13 0.00 0.43 0.22 0.02 96.20 Average: 1 1.66 0.00 0.40 0.17 0.02 97.75