---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12833 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 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 768 5189 4 2272 7173 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:da:60:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79590sec preferred_lft 79590sec inet6 fe80::f816:3eff:feda:6038/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12833) 05/12/26 _x86_64_ (2 CPU) 00:45:26 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.57 0.02 1.53 0.02 1.24 18.27 436.67 01:10:06 1.32 0.01 1.30 0.02 0.05 15.11 1.10 01:20:10 13.74 0.00 1.28 12.46 0.16 14.79 108416.10 01:30:11 2.03 0.26 1.73 0.04 32.01 76.07 219.30 01:40:10 1.27 0.00 1.26 0.02 0.00 14.95 1.20 01:50:06 1.18 0.00 1.16 0.01 0.00 14.25 0.97 02:00:11 1.39 0.00 1.38 0.01 0.00 17.19 0.26 02:10:06 1.19 0.00 1.19 0.00 0.00 14.33 0.00 02:20:11 23.92 3.00 18.73 2.19 224.61 3153.27 500.73 02:30:11 1.69 0.00 1.67 0.02 0.35 69.85 0.51 Average: 4.96 0.33 3.14 1.49 26.01 343.16 11032.79 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6285120 7533032 287520 3.54 30620 1422952 522776 5.69 447796 1183420 124 01:10:06 6292708 7541176 279396 3.44 30840 1423284 522864 5.70 447904 1183972 64 01:20:10 6304872 7553928 266636 3.28 31044 1423660 523116 5.70 451208 1184524 164 01:30:11 6265764 7541852 278204 3.42 31440 1449908 523116 5.70 460112 1202088 140 01:40:10 6279152 7555884 264200 3.25 31624 1450360 523212 5.70 460556 1202600 124 01:50:06 6276912 7554192 265888 3.27 31836 1450688 523276 5.70 460720 1203140 192 02:00:11 6275344 7553136 266848 3.28 32004 1451012 523340 5.70 461016 1203632 124 02:10:06 6275604 7553876 266108 3.27 32156 1451340 523404 5.70 461308 1204112 188 02:20:11 5289936 7413196 358344 4.41 85528 2201636 633488 6.90 599492 1962664 80 02:30:11 5273268 7411872 359524 4.42 85656 2216876 643716 7.01 601548 1977904 700 Average: 6081868 7521214 289267 3.56 42275 1594172 546231 5.95 485166 1350806 190 00:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.86 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.52 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 1.07 0.11 0.74 0.06 0.00 0.00 0.00 0.00 01:30:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.57 0.24 3.15 0.05 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.40 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 0.23 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.35 0.20 0.07 0.60 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 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:20:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:20:11 ens3 63.48 43.22 301.01 10.83 0.00 0.00 0.00 0.00 02:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 46.56 42.18 9.85 5.57 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 11.48 8.66 31.75 1.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12833) 05/12/26 _x86_64_ (2 CPU) 00:45:26 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.27 0.00 0.16 0.01 0.02 99.54 01:00:10 0 0.14 0.00 0.16 0.01 0.02 99.67 01:00:10 1 0.41 0.00 0.15 0.01 0.02 99.41 01:10:06 all 0.28 0.00 0.07 0.01 0.03 99.61 01:10:06 0 0.49 0.00 0.05 0.01 0.03 99.41 01:10:06 1 0.07 0.00 0.10 0.00 0.03 99.80 01:20:10 all 0.28 0.00 0.09 0.03 0.02 99.58 01:20:10 0 0.17 0.00 0.10 0.05 0.02 99.67 01:20:10 1 0.39 0.00 0.09 0.01 0.02 99.50 01:30:11 all 0.39 0.00 0.21 0.05 0.02 99.34 01:30:11 0 0.30 0.00 0.24 0.08 0.02 99.37 01:30:11 1 0.47 0.00 0.17 0.02 0.02 99.31 01:40:10 all 0.27 0.00 0.08 0.01 0.02 99.61 01:40:10 0 0.23 0.00 0.09 0.02 0.02 99.64 01:40:10 1 0.31 0.00 0.08 0.00 0.02 99.59 01:50:06 all 0.27 0.00 0.08 0.01 0.39 99.25 01:50:06 0 0.40 0.00 0.08 0.01 0.38 99.14 01:50:06 1 0.14 0.00 0.09 0.01 0.40 99.36 02:00:11 all 0.27 0.00 0.17 0.02 0.02 99.52 02:00:11 0 0.12 0.00 0.17 0.03 0.02 99.66 02:00:11 1 0.42 0.00 0.17 0.00 0.02 99.39 02:10:06 all 0.24 0.00 0.08 0.01 0.32 99.35 02:10:06 0 0.16 0.00 0.09 0.02 0.36 99.36 02:10:06 1 0.31 0.00 0.07 0.00 0.27 99.35 02:20:11 all 14.99 0.00 2.09 0.62 0.18 82.13 02:20:11 0 12.56 0.00 1.92 0.55 0.16 84.81 02:20:11 1 17.40 0.00 2.26 0.69 0.19 79.46 02:30:11 all 6.85 0.00 0.80 0.01 0.07 92.27 02:30:11 0 7.61 0.00 0.82 0.01 0.07 91.49 02:30:11 1 6.09 0.00 0.78 0.02 0.07 93.05 Average: all 2.40 0.00 0.38 0.08 0.11 97.03 Average: 0 2.20 0.00 0.37 0.08 0.11 97.24 Average: 1 2.60 0.00 0.39 0.08 0.10 96.83