---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-27657 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 753 19078 4 12260 30870 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:89:b3:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84534sec preferred_lft 84534sec inet6 fe80::f816:3eff:fe89:b32b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:12:af:17:18:82 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 inet6 fe80::8412:afff:fe17:1882/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-27657) 06/16/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 22.17 0.49 21.14 0.54 17.46 15304.12 524.76 00:30:05 30.50 2.02 27.41 1.07 313.98 10075.78 3503.47 Average: 26.35 1.25 24.29 0.81 166.20 12681.57 2018.89 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18516496 27339736 4948808 15.06 191764 8683836 5004544 14.76 2109504 11567128 120 00:30:05 19233048 31136496 1135012 3.45 230976 11586976 1776624 5.24 3097988 9734096 5200 Average: 18874772 29238116 3041910 9.26 211370 10135406 3390584 10.00 2603746 10650612 2660 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 235.33 235.33 229.73 229.73 0.00 0.00 0.00 0.00 00:20:01 ens3 59.79 50.40 319.63 12.73 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:05 lo 15.86 15.86 1.80 1.80 0.00 0.00 0.00 0.00 00:30:05 ens3 177.92 192.79 286.68 2737.99 0.00 0.00 0.00 0.00 00:30:05 docker0 84.03 76.61 1367.98 10.24 0.00 0.00 0.00 0.00 Average: lo 125.25 125.25 115.40 115.40 0.00 0.00 0.00 0.00 Average: ens3 119.04 121.82 303.10 1379.73 0.00 0.00 0.00 0.00 Average: docker0 42.15 38.43 686.18 5.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-27657) 06/16/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.76 0.00 1.31 0.09 0.06 70.77 00:20:01 0 23.71 0.00 1.09 0.10 0.06 75.05 00:20:01 1 29.30 0.00 1.48 0.08 0.07 69.08 00:20:01 2 30.44 0.00 1.39 0.02 0.06 68.09 00:20:01 3 28.40 0.00 1.29 0.05 0.07 70.19 00:20:01 4 27.30 0.00 1.25 0.06 0.06 71.33 00:20:01 5 25.60 0.00 1.12 0.19 0.06 73.03 00:20:01 6 27.10 0.00 1.27 0.02 0.07 71.54 00:20:01 7 30.22 0.00 1.63 0.22 0.07 67.86 00:30:05 all 10.79 0.00 0.98 0.15 0.05 88.04 00:30:05 0 6.26 0.00 0.73 0.04 0.04 92.93 00:30:05 1 12.90 0.00 0.94 0.19 0.05 85.92 00:30:05 2 14.86 0.00 0.85 0.45 0.05 83.79 00:30:05 3 13.84 0.00 0.92 0.13 0.05 85.07 00:30:05 4 8.62 0.00 0.99 0.10 0.05 90.23 00:30:05 5 16.20 0.00 1.66 0.06 0.05 82.04 00:30:05 6 5.88 0.00 0.66 0.15 0.04 93.28 00:30:05 7 7.78 0.00 1.07 0.08 0.04 91.03 Average: all 19.23 0.00 1.14 0.12 0.06 79.44 Average: 0 14.94 0.00 0.91 0.07 0.05 84.03 Average: 1 21.07 0.00 1.21 0.13 0.06 77.53 Average: 2 22.62 0.00 1.12 0.24 0.06 75.97 Average: 3 21.09 0.00 1.10 0.09 0.06 77.66 Average: 4 17.92 0.00 1.12 0.08 0.06 80.83 Average: 5 20.88 0.00 1.39 0.12 0.06 77.55 Average: 6 16.41 0.00 0.96 0.09 0.05 82.49 Average: 7 18.95 0.00 1.35 0.15 0.05 79.49