---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3521 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 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 13G 143G 9% / 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 749 25691 4 5651 30874 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:78:bc:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.231/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:fe78:bc60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:91:8d:bb:0f:36 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-3521) 05/25/26 _x86_64_ (8 CPU) 10:57:12 LINUX RESTART (8 CPU) 11:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 23.97 4.35 18.19 1.42 1061.52 13453.70 2840.92 11:20:31 42.85 1.98 35.74 5.13 104.47 8847.29 772.18 Average: 33.68 3.13 27.22 3.33 568.99 11083.10 1776.28 11:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 29425004 31746232 608920 1.85 104760 2529360 1228940 3.62 404684 2691892 9252 11:20:31 22404400 28245412 4047956 12.32 224132 5674064 3942556 11.63 755628 9018420 892892 Average: 25914702 29995822 2328438 7.09 164446 4101712 2585748 7.63 580156 5855156 451072 11:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 0.26 0.26 0.03 0.03 0.00 0.00 0.00 0.00 11:10:01 ens3 45.63 24.22 257.41 7.66 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:31 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 11:20:31 ens3 184.49 145.60 2189.42 23.52 0.00 0.00 0.00 0.00 11:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 117.09 86.68 1251.68 15.82 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-3521) 05/25/26 _x86_64_ (8 CPU) 10:57:12 LINUX RESTART (8 CPU) 11:00:07 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 1.28 0.00 0.20 16.86 0.02 81.65 11:10:01 0 0.78 0.00 0.19 39.23 0.01 59.78 11:10:01 1 1.70 0.00 0.25 11.99 0.02 86.04 11:10:01 2 1.40 0.00 0.26 46.72 0.02 51.60 11:10:01 3 1.24 0.00 0.21 9.09 0.02 89.44 11:10:01 4 1.73 0.00 0.23 4.02 0.01 94.00 11:10:01 5 0.91 0.00 0.15 3.84 0.02 95.09 11:10:01 6 1.44 0.00 0.19 12.79 0.01 85.57 11:10:01 7 1.01 0.00 0.14 7.15 0.01 91.69 11:20:31 all 13.24 0.00 0.87 15.47 0.05 70.38 11:20:31 0 10.67 0.00 0.62 8.18 0.04 80.49 11:20:31 1 18.19 0.00 0.98 28.69 0.05 52.10 11:20:31 2 17.26 0.00 0.95 10.90 0.06 70.83 11:20:31 3 12.08 0.00 1.06 13.69 0.04 73.12 11:20:31 4 13.51 0.00 1.01 6.84 0.04 78.60 11:20:31 5 11.95 0.00 0.65 10.09 0.03 77.28 11:20:31 6 11.17 0.00 0.87 22.34 0.05 65.57 11:20:31 7 11.11 0.00 0.80 23.05 0.05 64.99 Average: all 7.43 0.00 0.54 16.14 0.03 75.85 Average: 0 5.86 0.00 0.41 23.27 0.03 70.43 Average: 1 10.18 0.00 0.62 20.58 0.04 68.58 Average: 2 9.56 0.00 0.61 28.28 0.04 61.50 Average: 3 6.82 0.00 0.65 11.46 0.03 81.05 Average: 4 7.79 0.00 0.63 5.47 0.03 86.08 Average: 5 6.59 0.00 0.41 7.06 0.03 85.92 Average: 6 6.44 0.00 0.54 17.70 0.03 75.28 Average: 7 6.20 0.00 0.48 15.32 0.03 77.96