---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1350 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 8.2G 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 779 4896 4 2558 7162 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:1d:a0:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79193sec preferred_lft 79193sec inet6 fe80::f816:3eff:fe1d:a01e/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-1350) 04/09/26 _x86_64_ (2 CPU) 00:41:47 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.39 0.01 1.50 12.88 0.21 18.02 112556.91 01:10:20 1.32 0.00 1.32 0.00 0.00 15.54 0.00 01:20:30 1.36 0.00 1.36 0.00 0.01 15.80 0.12 01:30:01 1.47 0.00 1.46 0.01 0.00 17.70 458.07 01:40:20 4.47 1.61 2.79 0.08 133.06 294.28 3.79 01:50:30 21.02 1.66 17.23 2.13 128.84 2851.62 962.16 02:00:01 1.52 0.00 1.49 0.04 0.00 18.80 1.39 02:10:30 1.31 0.00 1.29 0.02 0.00 79.19 2.02 02:20:20 1.47 0.00 1.43 0.04 0.00 389.74 5.15 02:30:01 1.61 0.00 1.57 0.04 0.00 177.73 1.49 02:40:20 1.57 0.00 1.54 0.03 0.34 19.49 1.24 Average: 4.69 0.31 3.02 1.36 24.42 358.48 10089.43 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6284996 7532392 287944 3.54 30680 1422612 528804 5.76 445436 1183456 276 01:10:20 6284320 7532228 288112 3.54 30856 1422944 528892 5.76 445448 1183964 164 01:20:30 6280300 7528704 291632 3.59 31024 1423268 529088 5.76 445964 1184456 124 01:30:01 6284096 7533000 287300 3.53 31176 1423592 529156 5.76 446180 1184932 124 01:40:20 5962104 7389556 421924 5.19 43376 1582424 675640 7.36 618836 1331864 63920 01:50:30 5059288 7168928 602832 7.41 84844 2189208 840720 9.16 796416 1947152 148 02:00:01 5034004 7144220 627448 7.72 84992 2189632 760208 8.28 715092 1947728 292 02:10:30 5129540 7260256 511448 6.29 85144 2209980 799196 8.70 737968 1968228 124 02:20:20 4861292 7120064 649780 7.99 85320 2336284 933480 10.17 871812 2094700 15816 02:30:01 4791668 7081836 687392 8.45 85512 2367052 959108 10.45 898428 2125540 284 02:40:20 5115948 7416016 353088 4.34 85696 2376628 582940 6.35 564880 2135196 9164 Average: 5553414 7337018 455355 5.60 61693 1903966 697021 7.59 635133 1662474 8221 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.61 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 0.98 0.05 3.08 0.03 0.00 0.00 0.00 0.00 01:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:30 ens3 0.39 0.08 0.11 0.06 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 0.27 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:20 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 01:40:20 ens3 24.33 13.14 87.50 4.52 0.00 0.00 0.00 0.00 01:50:30 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 01:50:30 ens3 68.50 55.30 640.46 8.58 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 38.19 36.30 588.55 2.41 0.00 0.00 0.00 0.00 02:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:30 ens3 72.42 68.99 1128.52 4.52 0.00 0.00 0.00 0.00 02:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:20 ens3 28.80 28.02 454.32 1.87 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 24.53 23.43 407.86 1.55 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 20.76 18.87 283.08 1.34 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 25.69 22.40 329.03 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1350) 04/09/26 _x86_64_ (2 CPU) 00:41:47 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.16 0.03 0.03 99.49 01:00:01 0 0.50 0.00 0.14 0.01 0.03 99.32 01:00:01 1 0.07 0.00 0.19 0.05 0.04 99.65 01:10:20 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:20 0 0.48 0.00 0.05 0.01 0.03 99.44 01:10:20 1 0.06 0.00 0.09 0.01 0.04 99.80 01:20:30 all 0.27 0.00 0.07 0.01 0.04 99.61 01:20:30 0 0.44 0.00 0.06 0.01 0.03 99.46 01:20:30 1 0.11 0.00 0.09 0.00 0.04 99.75 01:30:01 all 0.30 0.00 0.15 0.01 0.03 99.50 01:30:01 0 0.08 0.00 0.16 0.02 0.04 99.70 01:30:01 1 0.52 0.00 0.15 0.01 0.03 99.30 01:40:20 all 1.77 0.00 0.33 0.11 0.03 97.76 01:40:20 0 1.07 0.00 0.25 0.04 0.04 98.60 01:40:20 1 2.47 0.00 0.40 0.18 0.03 96.92 01:50:30 all 9.29 0.00 1.51 0.50 0.06 88.64 01:50:30 0 5.99 0.00 1.19 0.50 0.05 92.26 01:50:30 1 12.58 0.00 1.83 0.50 0.07 85.01 02:00:01 all 0.69 0.00 0.37 0.01 0.06 98.87 02:00:01 0 0.86 0.00 0.54 0.01 0.08 98.52 02:00:01 1 0.51 0.00 0.20 0.01 0.04 99.23 02:10:30 all 1.01 0.00 0.51 0.01 0.05 98.41 02:10:30 0 0.66 0.00 0.26 0.01 0.05 99.02 02:10:30 1 1.37 0.00 0.76 0.01 0.06 97.81 02:20:20 all 0.85 0.00 0.22 0.02 0.06 98.85 02:20:20 0 0.93 0.00 0.25 0.02 0.07 98.74 02:20:20 1 0.78 0.00 0.18 0.03 0.05 98.95 02:30:01 all 0.70 0.00 0.33 0.01 0.04 98.91 02:30:01 0 0.60 0.00 0.25 0.01 0.03 99.11 02:30:01 1 0.81 0.00 0.42 0.02 0.06 98.70 02:40:20 all 1.36 0.00 0.29 0.01 0.05 98.28 02:40:20 0 0.66 0.00 0.34 0.01 0.06 98.93 02:40:20 1 2.06 0.00 0.25 0.01 0.04 97.64 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.55 0.00 0.37 0.07 0.05 97.97 Average: 0 1.12 0.00 0.32 0.06 0.05 98.45 Average: 1 1.97 0.00 0.42 0.08 0.05 97.49