---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4741 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 8.1G 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 770 5029 4 2433 7171 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:01:36:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79139sec preferred_lft 79139sec inet6 fe80::f816:3eff:fe01:36c9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4741) 04/20/26 _x86_64_ (2 CPU) 01:58:19 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.31 0.02 1.27 0.01 1.23 15.86 0.59 02:20:08 1.24 0.01 1.21 0.01 0.07 14.93 1.08 02:30:01 1.33 0.00 1.30 0.03 0.00 16.52 662.43 02:40:07 1.86 0.32 1.51 0.03 39.65 72.81 1.44 02:50:08 13.70 0.00 1.15 12.55 0.15 14.51 109044.73 03:00:01 1.85 0.42 1.40 0.03 16.23 50.18 1.59 03:10:09 21.82 2.59 17.05 2.19 209.47 3068.41 686.53 03:20:10 1.17 0.00 1.17 0.00 0.00 15.08 0.00 03:30:12 1.43 0.00 1.41 0.02 0.00 159.02 0.31 03:40:11 1.32 0.00 1.31 0.01 0.00 221.09 0.32 03:50:11 1.24 0.00 1.23 0.00 0.00 54.57 0.04 Average: 4.41 0.31 2.75 1.36 24.49 339.85 10029.89 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 6287856 7538468 281748 3.46 30596 1425844 518452 5.65 441144 1187008 172 02:20:08 6287856 7539000 281176 3.46 30796 1426172 518456 5.65 441228 1187536 124 02:30:01 6284084 7535780 284376 3.50 31000 1426496 518584 5.65 441268 1188064 124 02:40:07 6262140 7543068 276536 3.40 31372 1454964 518704 5.65 453208 1205528 124 02:50:08 6261136 7542664 276844 3.40 31584 1455340 518704 5.65 453512 1206088 240 03:00:01 6212412 7509564 309724 3.81 31928 1470396 566976 6.18 497820 1219840 744 03:10:09 5075756 7191052 580388 7.14 85308 2194272 830372 9.04 795736 1953060 176 03:20:10 5094196 7210044 561356 6.90 85436 2194704 756252 8.24 721764 1953612 228 03:30:12 5058572 7217508 553652 6.81 85576 2237504 812128 8.85 761652 1996552 216 03:40:11 4939176 7161020 609176 7.49 85720 2299408 886024 9.65 835276 2058608 148 03:50:11 4900108 7134528 635452 7.81 85888 2311648 879528 9.58 830008 2070884 260 Average: 5696663 7374791 422766 5.20 55928 1808795 665835 7.25 606601 1566071 232 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 1.26 0.06 0.14 0.02 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.44 0.03 0.05 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 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.76 0.35 3.19 0.12 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 10.32 5.34 24.48 3.26 0.00 0.00 0.00 0.00 03:10:09 lo 1.29 1.29 0.09 0.09 0.00 0.00 0.00 0.00 03:10:09 ens3 80.38 60.52 678.42 9.89 0.00 0.00 0.00 0.00 03:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:10 ens3 34.69 32.73 534.64 2.15 0.00 0.00 0.00 0.00 03:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 76.86 73.07 1189.05 4.83 0.00 0.00 0.00 0.00 03:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:11 ens3 24.83 23.23 377.01 1.58 0.00 0.00 0.00 0.00 03:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:11 ens3 21.15 19.14 316.18 1.30 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 22.90 19.56 284.62 2.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4741) 04/20/26 _x86_64_ (2 CPU) 01:58:19 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.27 0.00 0.08 0.01 0.03 99.62 02:10:07 0 0.32 0.00 0.07 0.01 0.03 99.58 02:10:07 1 0.22 0.00 0.09 0.01 0.03 99.66 02:20:08 all 0.27 0.00 0.09 0.01 0.03 99.61 02:20:08 0 0.47 0.00 0.06 0.00 0.02 99.44 02:20:08 1 0.07 0.00 0.11 0.02 0.03 99.77 02:30:01 all 0.27 0.00 0.17 0.01 0.02 99.53 02:30:01 0 0.34 0.00 0.16 0.01 0.02 99.48 02:30:01 1 0.21 0.00 0.18 0.01 0.03 99.57 02:40:07 all 0.42 0.00 0.10 0.02 0.03 99.43 02:40:07 0 0.57 0.00 0.07 0.01 0.02 99.33 02:40:07 1 0.27 0.00 0.14 0.03 0.03 99.52 02:50:08 all 0.28 0.00 0.09 0.03 0.02 99.58 02:50:08 0 0.50 0.00 0.06 0.02 0.01 99.41 02:50:08 1 0.07 0.00 0.13 0.04 0.03 99.74 03:00:01 all 0.59 0.00 0.21 0.01 0.03 99.16 03:00:01 0 0.79 0.00 0.17 0.00 0.02 99.01 03:00:01 1 0.39 0.00 0.25 0.02 0.03 99.30 03:10:09 all 11.26 0.00 1.80 0.61 0.06 86.26 03:10:09 0 12.81 0.00 2.07 0.81 0.07 84.25 03:10:09 1 9.72 0.00 1.54 0.42 0.05 88.27 03:20:10 all 0.64 0.00 0.27 0.01 0.05 99.04 03:20:10 0 0.51 0.00 0.16 0.02 0.04 99.28 03:20:10 1 0.77 0.00 0.38 0.00 0.06 98.79 03:30:12 all 1.18 0.00 0.66 0.01 0.06 98.09 03:30:12 0 1.39 0.00 0.80 0.01 0.07 97.73 03:30:12 1 0.96 0.00 0.53 0.01 0.06 98.44 03:40:11 all 0.75 0.00 0.19 0.01 0.06 98.98 03:40:11 0 0.80 0.00 0.21 0.01 0.06 98.92 03:40:11 1 0.71 0.00 0.17 0.01 0.06 99.05 03:50:11 all 0.59 0.00 0.22 0.01 0.06 99.12 03:50:11 0 0.71 0.00 0.25 0.01 0.06 98.97 03:50:11 1 0.46 0.00 0.19 0.01 0.07 99.27 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.51 0.00 0.35 0.07 0.04 98.03 Average: 0 1.76 0.00 0.37 0.08 0.04 97.75 Average: 1 1.27 0.00 0.34 0.05 0.04 98.30