---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3108 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 774 20264 4 11053 30850 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:70:80:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.188/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84604sec preferred_lft 84604sec inet6 fe80::f816:3eff:fe70:80e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:e0:80:a7:50:4b 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-8c-8g-3108) 03/19/26 _x86_64_ (8 CPU) 13:06:45 LINUX RESTART (8 CPU) 13:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:07 290.83 1.12 284.22 5.49 29.18 17322.77 4580.33 13:30:07 29.37 0.23 7.32 21.82 2.81 630.46 490257.06 Average: 160.41 0.68 146.10 13.63 16.03 8996.46 246841.32 13:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:07 14238808 22748812 9499368 28.91 464724 7605720 11147980 32.87 1472540 15954028 296 13:30:07 17095808 25761568 6484000 19.73 471232 7738452 10825148 31.92 1512760 13043928 3728 Average: 15667308 24255190 7991684 24.32 467978 7672086 10986564 32.40 1492650 14498978 2012 13:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:07 lo 1.82 1.82 1.00 1.00 0.00 0.00 0.00 0.00 13:20:07 ens3 245.25 156.13 899.07 61.63 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:07 lo 5.57 5.57 0.93 0.93 0.00 0.00 0.00 0.00 13:30:07 ens3 88.32 51.24 38.83 28.33 0.00 0.00 0.00 0.00 13:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.69 3.69 0.97 0.97 0.00 0.00 0.00 0.00 Average: ens3 166.97 103.81 469.97 45.02 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-8c-8g-3108) 03/19/26 _x86_64_ (8 CPU) 13:06:45 LINUX RESTART (8 CPU) 13:10:04 CPU %user %nice %system %iowait %steal %idle 13:20:07 all 73.76 0.00 3.45 0.60 0.16 22.03 13:20:07 0 72.11 0.00 3.52 0.86 0.15 23.36 13:20:07 1 74.63 0.00 3.77 0.23 0.17 21.19 13:20:07 2 77.61 0.00 3.29 0.25 0.16 18.68 13:20:07 3 73.07 0.00 3.51 0.69 0.16 22.56 13:20:07 4 75.02 0.00 3.35 0.66 0.15 20.82 13:20:07 5 72.26 0.00 3.44 0.65 0.17 23.49 13:20:07 6 71.33 0.00 3.36 0.63 0.16 24.53 13:20:07 7 74.05 0.00 3.35 0.82 0.15 21.63 13:30:07 all 96.81 0.00 2.96 0.00 0.17 0.05 13:30:07 0 96.68 0.00 3.07 0.01 0.17 0.07 13:30:07 1 96.81 0.00 2.97 0.00 0.18 0.05 13:30:07 2 96.77 0.00 3.02 0.00 0.17 0.04 13:30:07 3 97.16 0.00 2.61 0.00 0.18 0.05 13:30:07 4 96.74 0.00 3.02 0.00 0.18 0.07 13:30:07 5 96.97 0.00 2.81 0.00 0.17 0.05 13:30:07 6 96.70 0.00 3.07 0.00 0.18 0.05 13:30:07 7 96.68 0.00 3.09 0.00 0.17 0.06 Average: all 85.29 0.00 3.20 0.30 0.17 11.04 Average: 0 84.41 0.00 3.29 0.43 0.16 11.70 Average: 1 85.72 0.00 3.37 0.12 0.17 10.62 Average: 2 87.21 0.00 3.16 0.13 0.16 9.34 Average: 3 85.13 0.00 3.06 0.34 0.17 11.29 Average: 4 85.87 0.00 3.18 0.33 0.16 10.45 Average: 5 84.62 0.00 3.12 0.32 0.17 11.76 Average: 6 84.00 0.00 3.21 0.31 0.17 12.31 Average: 7 85.36 0.00 3.22 0.41 0.16 10.85