---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64982 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 773 5281 4 2174 7167 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:54:d6:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80422sec preferred_lft 80422sec inet6 fe80::f816:3eff:fe54:d6ef/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-64982) 04/01/26 _x86_64_ (2 CPU) 01:53:06 LINUX RESTART (2 CPU) 02:00:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:52 1.30 0.01 1.29 0.00 0.05 15.70 0.35 02:20:01 1.39 0.00 1.37 0.02 0.01 16.14 1.19 02:30:34 1.57 0.00 1.55 0.03 0.00 18.37 414.51 02:40:50 14.29 0.31 1.71 12.26 39.18 73.34 106307.89 02:50:01 1.36 0.00 1.34 0.01 0.00 16.11 1.05 03:00:44 21.39 2.83 16.44 2.11 212.83 2919.37 949.64 03:10:34 1.42 0.00 1.42 0.00 0.00 20.85 0.00 03:20:01 1.26 0.00 1.26 0.00 0.00 15.71 0.00 03:30:24 1.40 0.00 1.38 0.01 0.00 18.24 0.24 Average: 5.25 0.38 3.21 1.66 29.89 370.22 12309.85 02:00:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:52 6291300 7538468 282236 3.47 30640 1422208 529272 5.76 448492 1183272 124 02:20:01 6289088 7536764 283932 3.49 30840 1422512 529268 5.76 448552 1183776 124 02:30:34 6285352 7533628 287052 3.53 31064 1422868 529476 5.77 448632 1184356 124 02:40:50 6243464 7520840 299308 3.68 31468 1451172 529476 5.77 460228 1201660 124 02:50:01 6250804 7528788 291352 3.58 31652 1451592 529476 5.77 460376 1202136 124 03:00:44 5286032 7394568 377336 4.64 85048 2187560 632008 6.88 617176 1945944 636 03:10:34 5285304 7394284 377740 4.64 85164 2188012 658384 7.17 619348 1946512 212 03:20:01 5286804 7396220 375804 4.62 85296 2188328 658384 7.17 619356 1946952 160 03:30:24 5265532 7375488 396452 4.87 85448 2188712 659488 7.18 620156 1947496 224 Average: 5831520 7468783 330135 4.06 55180 1769218 583915 6.36 526924 1526900 206 02:00:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:52 ens3 0.44 0.05 0.05 0.01 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 0.72 0.05 8.50 0.02 0.00 0.00 0.00 0.00 02:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:34 ens3 0.27 0.03 0.23 0.01 0.00 0.00 0.00 0.00 02:40:50 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:50 ens3 0.53 0.26 3.02 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.15 0.04 0.04 0.02 0.00 0.00 0.00 0.00 03:00:44 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:44 ens3 62.34 40.90 278.10 10.69 0.00 0.00 0.00 0.00 03:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:34 ens3 3.15 0.41 0.53 0.18 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.91 0.23 0.12 0.03 0.00 0.00 0.00 0.00 03:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:24 ens3 1.07 0.35 0.21 0.09 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 8.24 5.04 34.55 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64982) 04/01/26 _x86_64_ (2 CPU) 01:53:06 LINUX RESTART (2 CPU) 02:00:34 CPU %user %nice %system %iowait %steal %idle 02:10:52 all 0.27 0.00 0.08 0.02 0.03 99.61 02:10:52 0 0.48 0.00 0.06 0.03 0.03 99.40 02:10:52 1 0.05 0.00 0.09 0.01 0.04 99.81 02:20:01 all 0.27 0.00 0.07 0.01 0.04 99.61 02:20:01 0 0.35 0.00 0.05 0.02 0.03 99.54 02:20:01 1 0.19 0.00 0.08 0.01 0.05 99.67 02:30:34 all 0.26 0.00 0.14 0.01 0.03 99.55 02:30:34 0 0.28 0.00 0.14 0.02 0.03 99.52 02:30:34 1 0.24 0.00 0.14 0.00 0.03 99.58 02:40:50 all 0.38 0.00 0.12 0.05 0.04 99.41 02:40:50 0 0.27 0.00 0.16 0.08 0.05 99.44 02:40:50 1 0.50 0.00 0.07 0.03 0.03 99.37 02:50:01 all 0.25 0.00 0.07 0.01 0.04 99.63 02:50:01 0 0.07 0.00 0.08 0.02 0.04 99.79 02:50:01 1 0.43 0.00 0.06 0.00 0.03 99.47 03:00:44 all 9.99 0.00 1.60 0.52 0.05 87.85 03:00:44 0 13.29 0.00 1.81 0.51 0.05 84.34 03:00:44 1 6.68 0.00 1.38 0.53 0.05 91.35 03:10:34 all 0.41 0.00 0.12 0.01 0.06 99.39 03:10:34 0 0.38 0.00 0.16 0.01 0.08 99.37 03:10:34 1 0.44 0.00 0.09 0.01 0.04 99.41 03:20:01 all 0.40 0.00 0.13 0.01 0.07 99.40 03:20:01 0 0.27 0.00 0.17 0.00 0.10 99.47 03:20:01 1 0.53 0.00 0.09 0.01 0.05 99.33 03:30:24 all 0.38 0.00 0.21 0.01 0.07 99.33 03:30:24 0 0.35 0.00 0.27 0.00 0.10 99.27 03:30:24 1 0.41 0.00 0.15 0.01 0.04 99.39 Average: all 1.48 0.00 0.30 0.08 0.05 98.10 Average: 0 1.86 0.00 0.34 0.08 0.06 97.67 Average: 1 1.10 0.00 0.25 0.07 0.04 98.53