---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1693 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 765 5131 4 2341 7175 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:c2:db:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5545sec preferred_lft 5545sec inet6 fe80::f816:3eff:fec2:db8c/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-1693) 04/11/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:11 1.77 0.01 1.74 0.01 0.80 20.63 425.64 00:20:11 1.89 0.11 1.75 0.03 3.05 24.21 699.32 00:30:01 1.78 0.00 1.76 0.02 0.00 19.48 439.65 00:40:02 23.64 3.00 18.41 2.23 225.47 3113.19 670.23 00:50:11 1.66 0.01 1.65 0.00 0.76 35.50 0.14 01:00:11 1.78 0.00 1.76 0.02 0.00 25.37 341.61 01:10:11 1.67 0.00 1.65 0.01 0.00 134.42 396.03 01:20:11 1.61 0.00 1.58 0.03 0.00 35.91 0.29 01:30:01 1.73 0.00 1.68 0.04 0.00 24.44 0.54 Average: 4.17 0.35 3.56 0.27 25.60 381.94 330.49 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:11 6120948 7519404 289260 3.56 53992 1540640 590256 6.43 473160 1308276 400 00:20:11 6123160 7483604 324940 4.00 54172 1502380 587268 6.40 471888 1269972 356 00:30:01 6136116 7497168 311304 3.83 54308 1502832 587332 6.40 472044 1270440 124 00:40:02 5251884 7439284 321620 3.95 103480 2239440 612408 6.67 561968 2011100 2524 00:50:11 5141920 7332372 428568 5.27 103568 2242492 711760 7.75 627024 2014244 264 01:00:11 5152700 7345052 415788 5.11 103676 2244296 713968 7.78 629296 2016156 284 01:10:11 5090748 7318256 442544 5.44 103812 2279264 717080 7.81 631328 2051260 248 01:20:11 5055612 7288824 471904 5.80 103964 2284744 771868 8.41 685664 2056892 208 01:30:01 5080036 7315320 445392 5.48 104060 2286692 738388 8.04 651952 2058936 348 Average: 5461458 7393254 383480 4.72 87226 2013642 670036 7.30 578258 1784142 528 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:11 ens3 0.25 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:11 ens3 0.22 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.54 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 58.47 40.95 298.08 11.31 0.00 0.00 0.00 0.00 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 25.24 20.69 221.63 2.27 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 9.54 8.76 61.35 1.32 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 13.75 12.83 157.51 1.24 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 18.38 16.81 142.16 1.99 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 14.24 13.79 142.37 1.22 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 15.65 12.69 113.85 2.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1693) 04/11/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:11 all 0.25 0.00 0.10 0.01 0.03 99.61 00:10:11 0 0.44 0.00 0.06 0.00 0.02 99.47 00:10:11 1 0.05 0.00 0.14 0.02 0.04 99.75 00:20:11 all 0.62 0.00 0.21 0.01 0.03 99.13 00:20:11 0 0.45 0.00 0.23 0.01 0.03 99.28 00:20:11 1 0.79 0.00 0.20 0.01 0.02 98.98 00:30:01 all 0.25 0.00 0.15 0.01 0.03 99.55 00:30:01 0 0.06 0.00 0.17 0.02 0.04 99.72 00:30:01 1 0.45 0.00 0.14 0.01 0.02 99.39 00:40:02 all 10.55 0.00 1.58 0.57 0.05 87.25 00:40:02 0 12.16 0.00 1.79 0.75 0.06 85.25 00:40:02 1 8.95 0.00 1.38 0.40 0.04 89.24 00:50:11 all 1.27 0.00 0.29 0.03 0.06 98.35 00:50:11 0 0.96 0.00 0.20 0.02 0.06 98.76 00:50:11 1 1.57 0.00 0.39 0.04 0.07 97.93 01:00:11 all 4.25 0.00 0.45 0.01 0.07 95.22 01:00:11 0 6.25 0.00 0.61 0.01 0.08 93.05 01:00:11 1 2.24 0.00 0.30 0.01 0.05 97.40 01:10:11 all 7.82 0.00 0.58 0.01 0.07 91.52 01:10:11 0 3.54 0.00 0.37 0.01 0.08 95.99 01:10:11 1 12.03 0.00 0.78 0.02 0.07 87.11 01:20:11 all 1.95 0.00 0.31 0.01 0.06 97.67 01:20:11 0 1.39 0.00 0.22 0.01 0.06 98.32 01:20:11 1 2.50 0.00 0.41 0.01 0.07 97.01 01:30:01 all 0.93 0.00 0.31 0.01 0.07 98.68 01:30:01 0 0.92 0.00 0.27 0.02 0.07 98.73 01:30:01 1 0.95 0.00 0.35 0.00 0.06 98.63 Average: all 3.11 0.00 0.44 0.08 0.05 96.32 Average: 0 2.91 0.00 0.44 0.09 0.05 96.50 Average: 1 3.30 0.00 0.45 0.06 0.05 96.14