---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-44 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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 Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 16G 62G 21% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 635 6420 3 8934 15011 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3b:40:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.119/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84934sec preferred_lft 84934sec inet6 fe80::f816:3eff:fe3b:406c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:38:1a:fb:7d:fe brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-44) 05/14/26 _x86_64_ (4 CPU) 05:17:25 LINUX RESTART (4 CPU) 05:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:11 45.72 2.52 41.81 1.39 152.36 18809.64 4789.37 05:40:01 303.30 0.77 290.09 12.45 24.78 15563.01 195512.83 Average: 173.44 1.65 164.91 6.88 89.10 17199.85 99356.90 05:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:11 7651912 13637872 2310124 14.11 197356 5786708 2613620 15.00 1135168 7053036 94564 05:40:01 6558844 15351628 574344 3.51 323876 8242000 1105336 6.34 2073712 6939412 524 Average: 7105378 14494750 1442234 8.81 260616 7014354 1859478 10.67 1604440 6996224 47544 05:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:11 lo 0.72 0.72 0.19 0.19 0.00 0.00 0.00 0.00 05:30:11 ens3 162.08 132.15 1601.24 28.67 0.00 0.00 0.00 0.00 05:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 7.38 7.38 0.70 0.70 0.00 0.00 0.00 0.00 05:40:01 ens3 85.08 77.34 325.91 81.38 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.02 4.02 0.44 0.44 0.00 0.00 0.00 0.00 Average: ens3 123.90 104.97 968.89 54.80 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-44) 05/14/26 _x86_64_ (4 CPU) 05:17:25 LINUX RESTART (4 CPU) 05:20:12 CPU %user %nice %system %iowait %steal %idle 05:30:11 all 38.83 0.00 3.11 0.68 0.12 57.26 05:30:11 0 38.31 0.00 3.01 1.37 0.12 57.18 05:30:11 1 37.77 0.00 2.96 0.26 0.13 58.88 05:30:11 2 35.77 0.00 2.85 0.60 0.12 60.65 05:30:11 3 43.49 0.00 3.59 0.47 0.12 52.32 05:40:01 all 36.47 0.00 3.55 0.53 0.13 59.32 05:40:01 0 32.96 0.00 3.42 0.38 0.13 63.11 05:40:01 1 33.02 0.00 3.21 0.59 0.12 63.05 05:40:01 2 42.13 0.00 4.28 0.66 0.14 52.79 05:40:01 3 37.78 0.00 3.30 0.51 0.12 58.29 Average: all 37.66 0.00 3.33 0.61 0.13 58.28 Average: 0 35.66 0.00 3.22 0.88 0.12 60.12 Average: 1 35.41 0.00 3.09 0.42 0.13 60.95 Average: 2 38.92 0.00 3.56 0.63 0.13 56.76 Average: 3 40.66 0.00 3.45 0.49 0.12 55.28