---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2377 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 785 4983 4 2463 7156 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:14:c5:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79259sec preferred_lft 79259sec inet6 fe80::f816:3eff:fe14:c567/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2377) 04/13/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.62 0.01 1.58 0.03 0.05 18.92 655.11 01:10:08 1.35 0.00 1.34 0.01 0.00 15.59 1.08 01:20:08 1.40 0.00 1.38 0.02 0.01 16.29 1.20 01:30:08 2.18 0.31 1.82 0.05 39.01 76.63 1.63 01:40:00 14.53 0.41 1.38 12.74 17.22 48.59 110628.60 01:50:08 22.57 2.59 17.78 2.20 209.58 3030.84 501.73 02:00:08 1.63 0.00 1.61 0.02 0.00 20.04 0.47 02:10:08 1.43 0.00 1.42 0.01 0.00 77.03 0.63 02:20:02 1.39 0.00 1.37 0.02 0.00 326.36 2.50 02:30:08 1.60 0.00 1.57 0.03 0.00 86.07 3.25 02:40:08 4.66 0.04 3.66 0.95 1.43 722.11 4054.00 Average: 4.95 0.31 3.19 1.45 24.54 406.96 10396.18 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6290692 7542068 278300 3.42 30772 1426224 529524 5.77 443316 1187480 124 01:10:08 6290020 7541932 278460 3.42 30968 1426560 529668 5.77 443468 1188012 124 01:20:08 6297092 7549548 270824 3.33 31172 1426888 529796 5.77 443964 1188544 124 01:30:08 6229968 7511308 308372 3.79 31604 1454948 728392 7.93 460772 1205972 124 01:40:00 6235848 7532732 286716 3.53 31932 1470104 547276 5.96 480180 1219452 220 01:50:08 5051320 7165904 605768 7.45 85252 2193360 850028 9.26 808160 1952008 160 02:00:08 5093036 7208140 563464 6.93 85348 2193784 767888 8.36 725196 1952528 124 02:10:08 5156832 7306976 464660 5.71 85516 2228652 747888 8.15 689300 1987564 16540 02:20:02 4931876 7159508 610936 7.51 85696 2304908 901956 9.82 842788 2064000 220 02:30:08 4881948 7130440 639544 7.86 85872 2325304 905408 9.86 846768 2084572 228 02:40:08 5175168 7393632 383688 4.72 87720 2300252 597648 6.51 580932 2060976 12876 Average: 5603073 7367472 426430 5.24 61077 1886453 694134 7.56 614986 1644646 2806 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.70 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.60 0.06 5.75 0.04 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.60 0.11 0.41 0.07 0.00 0.00 0.00 0.00 01:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.62 0.25 3.10 0.05 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 8.28 4.88 20.20 3.28 0.00 0.00 0.00 0.00 01:50:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:08 ens3 68.69 52.43 715.13 9.54 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 19.27 17.85 559.38 1.21 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 39.23 38.72 1213.84 2.60 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 13.11 12.94 390.00 0.89 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 12.52 12.30 377.57 0.84 0.00 0.00 0.00 0.00 02:40:08 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 22.90 17.81 293.81 19.01 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 17.03 14.37 326.23 3.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2377) 04/13/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.27 0.00 0.17 0.01 0.04 99.51 01:00:08 0 0.32 0.00 0.16 0.01 0.03 99.48 01:00:08 1 0.22 0.00 0.18 0.02 0.04 99.54 01:10:08 all 0.27 0.00 0.07 0.02 0.03 99.61 01:10:08 0 0.20 0.00 0.09 0.02 0.04 99.65 01:10:08 1 0.35 0.00 0.05 0.01 0.03 99.56 01:20:08 all 0.24 0.00 0.08 0.01 0.04 99.64 01:20:08 0 0.41 0.00 0.06 0.01 0.03 99.50 01:20:08 1 0.07 0.00 0.10 0.02 0.04 99.77 01:30:08 all 0.38 0.00 0.19 0.06 0.04 99.34 01:30:08 0 0.45 0.00 0.13 0.05 0.03 99.34 01:30:08 1 0.32 0.00 0.24 0.06 0.04 99.34 01:40:00 all 0.48 0.00 0.11 0.04 0.03 99.34 01:40:00 0 0.60 0.00 0.08 0.02 0.02 99.28 01:40:00 1 0.35 0.00 0.14 0.07 0.04 99.40 01:50:08 all 10.95 0.00 1.78 0.58 0.06 86.63 01:50:08 0 11.79 0.00 1.76 0.64 0.06 85.75 01:50:08 1 10.11 0.00 1.80 0.52 0.06 87.51 02:00:08 all 0.65 0.00 0.35 0.01 0.05 98.94 02:00:08 0 0.71 0.00 0.50 0.01 0.07 98.71 02:00:08 1 0.59 0.00 0.21 0.01 0.03 99.16 02:10:08 all 1.09 0.00 0.50 0.01 0.05 98.34 02:10:08 0 0.79 0.00 0.38 0.01 0.06 98.75 02:10:08 1 1.40 0.00 0.62 0.01 0.04 97.92 02:20:02 all 0.77 0.00 0.19 0.02 0.05 98.97 02:20:02 0 0.74 0.00 0.20 0.02 0.05 98.99 02:20:02 1 0.80 0.00 0.19 0.01 0.05 98.96 02:30:08 all 0.66 0.00 0.33 0.01 0.04 98.96 02:30:08 0 0.56 0.00 0.28 0.02 0.04 99.11 02:30:08 1 0.76 0.00 0.38 0.01 0.04 98.80 02:40:08 all 3.74 0.00 0.54 0.07 0.04 95.60 02:40:08 0 4.32 0.00 0.61 0.08 0.05 94.95 02:40:08 1 3.16 0.00 0.48 0.07 0.04 96.25 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.78 0.00 0.39 0.08 0.04 97.70 Average: 0 1.91 0.00 0.39 0.08 0.04 97.58 Average: 1 1.66 0.00 0.40 0.07 0.04 97.83