---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-10181 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 744 19132 4 12215 30880 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:54:65:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84454sec preferred_lft 84454sec inet6 fe80::f816:3eff:fe54:65a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:3f:a4:8f:d1:38 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::203f:a4ff:fe8f:d138/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-10181) 05/02/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 31.85 0.46 16.04 15.35 17.07 11048.76 499074.43 00:30:24 55.93 2.04 52.55 1.34 306.99 14384.86 12751.98 Average: 44.13 1.26 34.66 8.20 164.95 12750.44 251010.46 00:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19693392 28212748 4079152 12.41 183256 8403464 4499280 13.27 2049168 10490168 1074932 00:30:24 19768296 31594492 678064 2.06 232720 11508944 1285156 3.79 3118232 9124524 20 Average: 19730844 29903620 2378608 7.24 207988 9956204 2892218 8.53 2583700 9807346 537476 00:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 94.63 94.63 88.25 88.25 0.00 0.00 0.00 0.00 00:20:01 ens3 60.30 51.15 321.62 13.26 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 00:30:24 lo 135.58 135.58 128.67 128.67 0.00 0.00 0.00 0.00 00:30:24 ens3 158.67 162.73 315.21 2546.67 0.00 0.00 0.00 0.00 00:30:24 docker0 84.52 86.30 1328.51 156.34 0.00 0.00 0.00 0.00 Average: lo 115.52 115.52 108.87 108.87 0.00 0.00 0.00 0.00 Average: ens3 110.48 108.07 318.35 1305.50 0.00 0.00 0.00 0.00 Average: docker0 43.11 44.02 677.65 79.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-10181) 05/02/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:03 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 26.35 0.00 1.23 0.09 0.07 72.26 00:20:01 0 25.12 0.00 1.35 0.27 0.07 73.19 00:20:01 1 36.25 0.00 1.77 0.04 0.07 61.87 00:20:01 2 23.71 0.00 1.09 0.07 0.07 75.06 00:20:01 3 25.72 0.00 1.23 0.11 0.06 72.88 00:20:01 4 27.00 0.00 1.10 0.01 0.06 71.82 00:20:01 5 21.73 0.00 1.13 0.03 0.06 77.05 00:20:01 6 26.03 0.00 1.14 0.04 0.07 72.72 00:20:01 7 25.27 0.00 1.05 0.11 0.07 73.50 00:30:24 all 9.74 0.00 1.12 0.16 0.05 88.93 00:30:24 0 6.33 0.00 1.14 0.22 0.05 92.26 00:30:24 1 13.57 0.00 1.23 0.22 0.06 84.92 00:30:24 2 10.41 0.00 0.99 0.30 0.05 88.25 00:30:24 3 9.89 0.00 0.82 0.06 0.05 89.18 00:30:24 4 8.14 0.00 0.57 0.06 0.04 91.19 00:30:24 5 5.65 0.00 0.57 0.08 0.05 93.65 00:30:24 6 9.72 0.00 1.74 0.30 0.05 88.18 00:30:24 7 14.20 0.00 1.86 0.08 0.06 83.80 Average: all 17.87 0.00 1.17 0.13 0.06 80.77 Average: 0 15.52 0.00 1.24 0.25 0.06 82.93 Average: 1 24.68 0.00 1.49 0.13 0.07 73.63 Average: 2 16.93 0.00 1.04 0.19 0.06 81.78 Average: 3 17.63 0.00 1.02 0.08 0.06 81.21 Average: 4 17.38 0.00 0.83 0.04 0.05 81.70 Average: 5 13.53 0.00 0.84 0.06 0.05 85.52 Average: 6 17.71 0.00 1.45 0.17 0.06 80.61 Average: 7 19.62 0.00 1.47 0.10 0.06 78.75