---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1887 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 745 5222 4 2262 7196 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:e6:1d:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79343sec preferred_lft 79343sec inet6 fe80::f816:3eff:fee6:1d6e/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-1887) 04/11/26 _x86_64_ (2 CPU) 00:42:17 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 2.01 0.32 1.66 0.03 38.92 74.54 8.43 01:10:07 1.33 0.00 1.30 0.02 1.05 15.89 1.37 01:20:01 14.10 0.01 1.41 12.69 0.16 17.28 110153.25 01:30:07 1.52 0.00 1.49 0.03 0.00 18.19 1.48 01:40:01 1.67 0.40 1.24 0.02 15.98 46.88 1.21 01:50:01 22.20 2.63 17.34 2.23 212.57 3112.74 620.26 02:00:07 1.54 0.00 1.52 0.02 0.00 24.96 0.36 02:10:07 1.35 0.00 1.34 0.01 0.00 19.56 0.11 02:20:01 1.52 0.02 1.50 0.01 0.61 142.44 399.91 02:30:07 1.72 0.00 1.70 0.02 0.00 33.91 0.53 Average: 4.88 0.34 3.05 1.49 26.91 350.40 11005.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6223644 7503556 315892 3.88 30940 1454416 729908 7.95 464624 1204256 188 01:10:07 6244184 7524944 294644 3.62 31136 1455060 533372 5.81 460556 1204784 188 01:20:01 6244016 7525384 294108 3.62 31364 1455432 531776 5.79 460124 1205356 132 01:30:07 6241160 7523072 296448 3.65 31568 1455764 531776 5.79 460064 1205892 132 01:40:01 6220184 7517340 301844 3.71 31908 1470596 548324 5.97 486140 1219416 220 01:50:01 5261896 7377924 393460 4.84 85152 2195172 658276 7.17 611760 1953200 272 02:00:07 5227660 7345796 425504 5.23 85288 2197156 666768 7.26 611456 1955308 260 02:10:07 5185772 7338268 433004 5.32 85468 2231288 703964 7.67 647172 1989624 33376 02:20:01 5184088 7340848 430428 5.29 85600 2235364 693372 7.55 635824 1993720 280 02:30:07 5167796 7329364 441760 5.43 85744 2239984 694804 7.57 637536 1998340 632 Average: 5720040 7432650 362709 4.46 58417 1839023 629234 6.85 547526 1592990 3568 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 1.09 0.27 3.12 0.05 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 1.06 0.04 10.05 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 0.60 0.08 0.14 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 12.02 5.77 20.60 3.29 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 64.61 49.71 391.54 9.74 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 15.39 13.42 166.60 1.19 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 4.70 3.72 41.03 0.54 0.00 0.00 0.00 0.00 02:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 16.34 14.97 151.11 1.61 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 23.02 22.41 222.92 2.31 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 13.91 11.05 100.85 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1887) 04/11/26 _x86_64_ (2 CPU) 00:42:17 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.38 0.00 0.19 0.02 0.03 99.38 01:00:03 0 0.43 0.00 0.21 0.02 0.03 99.30 01:00:03 1 0.32 0.00 0.17 0.02 0.03 99.46 01:10:07 all 0.23 0.00 0.07 0.01 0.04 99.65 01:10:07 0 0.29 0.00 0.05 0.02 0.03 99.61 01:10:07 1 0.18 0.00 0.09 0.00 0.04 99.68 01:20:01 all 0.22 0.00 0.10 0.03 0.03 99.61 01:20:01 0 0.06 0.00 0.10 0.06 0.04 99.74 01:20:01 1 0.39 0.00 0.09 0.01 0.03 99.48 01:30:07 all 0.26 0.00 0.16 0.01 0.04 99.53 01:30:07 0 0.16 0.00 0.17 0.00 0.04 99.63 01:30:07 1 0.36 0.00 0.16 0.02 0.03 99.43 01:40:01 all 0.44 0.00 0.09 0.02 0.03 99.42 01:40:01 0 0.54 0.00 0.08 0.01 0.02 99.34 01:40:01 1 0.33 0.00 0.10 0.03 0.04 99.49 01:50:01 all 10.94 0.00 1.72 1.30 0.07 85.97 01:50:01 0 11.16 0.00 1.69 0.85 0.06 86.24 01:50:01 1 10.71 0.00 1.76 1.74 0.08 85.71 02:00:07 all 0.86 0.00 0.31 0.01 0.07 98.75 02:00:07 0 1.08 0.00 0.31 0.01 0.08 98.52 02:00:07 1 0.65 0.00 0.32 0.00 0.06 98.97 02:10:07 all 7.55 0.00 0.67 0.01 0.08 91.69 02:10:07 0 6.52 0.00 0.54 0.01 0.07 92.85 02:10:07 1 8.63 0.00 0.80 0.01 0.08 90.48 02:20:01 all 1.57 0.00 0.26 0.02 0.06 98.09 02:20:01 0 1.49 0.00 0.19 0.01 0.05 98.26 02:20:01 1 1.66 0.00 0.32 0.03 0.07 97.92 02:30:07 all 1.81 0.00 0.43 0.01 0.05 97.70 02:30:07 0 2.62 0.00 0.45 0.02 0.05 96.86 02:30:07 1 1.00 0.00 0.40 0.00 0.06 98.53 Average: all 2.41 0.00 0.40 0.14 0.05 96.99 Average: 0 2.43 0.00 0.38 0.10 0.05 97.04 Average: 1 2.39 0.00 0.42 0.19 0.05 96.95