---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4196 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 5600.00 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 25G 131G 17% / 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 1001 11896 4 19194 30621 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:20:b5:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.190/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84546sec preferred_lft 84546sec inet6 fe80::f816:3eff:fe20:b52e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:ca:32:bd:a7:a2 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::1cca:32ff:febd:a7a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4196) 08/05/26 _x86_64_ (8 CPU) 05:08:02 LINUX RESTART (8 CPU) 05:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:33 629.30 0.96 609.20 19.13 67.71 68473.60 82159.97 05:30:07 9.93 0.31 9.34 0.28 5.56 334.30 1452.35 Average: 334.39 0.65 323.58 10.16 38.12 36029.28 43731.28 05:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:33 2051892 21910988 10242780 31.17 585764 18390608 16881880 49.78 4742200 22411320 752 05:30:07 262356 20182648 11969488 36.42 587588 18444504 18048452 53.22 4802260 24120332 1668 Average: 1157124 21046818 11106134 33.80 586676 18417556 17465166 51.50 4772230 23265826 1210 05:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:33 lo 0.83 0.83 0.07 0.07 0.00 0.00 0.00 0.00 05:20:33 ens3 400.42 258.87 3619.46 68.87 0.00 0.00 0.00 0.00 05:20:33 docker0 41.13 70.43 2.73 814.20 0.00 0.00 0.00 0.00 05:20:33 br-1b5209a9b927 0.27 0.24 0.01 0.02 0.00 0.00 0.00 0.00 05:20:33 veth305c434 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:20:33 vethd248df2 6.13 5.76 4.19 1.21 0.00 0.00 0.00 0.00 05:20:33 veth013e56a 0.09 0.16 0.01 0.01 0.00 0.00 0.00 0.00 05:20:33 veth544cf4f 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:20:33 veth213d462 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 05:20:33 veth2bd59e3 0.71 0.74 0.09 0.86 0.00 0.00 0.00 0.00 05:20:33 vetha140e10 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 05:20:33 veth4924d7a 0.32 0.34 0.04 0.50 0.00 0.00 0.00 0.00 05:30:07 lo 3.67 3.67 10.46 10.46 0.00 0.00 0.00 0.00 05:30:07 ens3 6.23 4.15 2.63 2.32 0.00 0.00 0.00 0.00 05:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:07 br-1b5209a9b927 1.97 1.88 9.93 0.57 0.00 0.00 0.00 0.00 05:30:07 veth305c434 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 05:30:07 vethd248df2 195.01 209.24 137.86 99.93 0.00 0.00 0.00 0.01 05:30:07 veth013e56a 0.53 0.34 0.08 0.38 0.00 0.00 0.00 0.00 05:30:07 veth544cf4f 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 05:30:07 veth213d462 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 05:30:07 veth2bd59e3 108.93 101.36 76.49 53.32 0.00 0.00 0.00 0.01 05:30:07 veth4924d7a 106.69 99.39 49.33 87.98 0.00 0.00 0.00 0.01 Average: lo 2.18 2.18 5.02 5.02 0.00 0.00 0.00 0.00 Average: ens3 212.73 137.58 1897.32 37.18 0.00 0.00 0.00 0.00 Average: docker0 21.55 36.89 1.43 426.52 0.00 0.00 0.00 0.00 Average: br-1b5209a9b927 1.08 1.02 4.73 0.28 0.00 0.00 0.00 0.00 Average: veth305c434 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: vethd248df2 96.07 102.65 67.84 48.21 0.00 0.00 0.00 0.01 Average: veth013e56a 0.30 0.25 0.04 0.19 0.00 0.00 0.00 0.00 Average: veth544cf4f 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth213d462 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2bd59e3 52.24 48.65 36.46 25.83 0.00 0.00 0.00 0.00 Average: veth4924d7a 50.97 47.50 23.51 42.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-4196) 08/05/26 _x86_64_ (8 CPU) 05:08:02 LINUX RESTART (8 CPU) 05:10:02 CPU %user %nice %system %iowait %steal %idle 05:20:33 all 36.65 0.02 5.33 1.24 0.08 56.68 05:20:33 0 35.70 0.03 5.37 0.90 0.09 57.92 05:20:33 1 36.70 0.01 5.14 1.38 0.08 56.70 05:20:33 2 34.53 0.01 5.24 1.58 0.09 58.56 05:20:33 3 37.00 0.02 5.50 1.22 0.08 56.18 05:20:33 4 34.61 0.02 5.44 1.20 0.08 58.64 05:20:33 5 39.93 0.03 5.10 1.16 0.08 53.69 05:20:33 6 37.87 0.01 5.40 1.36 0.08 55.27 05:20:33 7 36.89 0.01 5.43 1.15 0.09 56.43 05:30:07 all 7.18 0.00 1.06 0.02 0.08 91.66 05:30:07 0 6.94 0.00 1.41 0.08 0.09 91.49 05:30:07 1 6.59 0.00 1.23 0.02 0.09 92.06 05:30:07 2 7.48 0.00 1.07 0.01 0.08 91.35 05:30:07 3 8.37 0.00 0.98 0.01 0.08 90.57 05:30:07 4 7.32 0.00 1.11 0.02 0.08 91.47 05:30:07 5 7.62 0.00 0.93 0.01 0.09 91.34 05:30:07 6 5.86 0.00 0.82 0.01 0.09 93.22 05:30:07 7 7.23 0.00 0.91 0.01 0.08 91.77 Average: all 22.60 0.01 3.29 0.66 0.08 73.35 Average: 0 21.98 0.02 3.48 0.50 0.09 73.93 Average: 1 22.35 0.00 3.28 0.73 0.09 73.55 Average: 2 21.64 0.01 3.25 0.83 0.09 74.18 Average: 3 23.30 0.01 3.33 0.64 0.08 72.63 Average: 4 21.63 0.01 3.38 0.64 0.08 74.25 Average: 5 24.54 0.01 3.11 0.62 0.09 71.63 Average: 6 22.61 0.01 3.21 0.72 0.08 73.36 Average: 7 22.76 0.01 3.28 0.61 0.08 73.26