---> uname -a: Linux prd-centos8-docker-4c-4g-4685.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 779 12166 19 2816 14647 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: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:b6:8e:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.66/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:feb6:8e47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2c:20:7e:ea 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/08/2026 _x86_64_ (4 CPU) 13:22:51 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:02 PM 403.22 181.49 221.73 14663.82 43408.28 01:25:01 PM 270.21 16.76 253.45 3885.99 14055.24 01:26:01 PM 47.22 4.63 42.59 371.74 8060.06 01:27:01 PM 55.34 3.13 52.21 139.58 8955.57 Average: 193.67 51.65 142.02 4768.78 18638.44 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:02 PM 13351620 15099344 2789912 17.28 2688 1962640 1103104 6.42 138716 2297224 159512 01:25:01 PM 12030536 14304344 4110996 25.47 2688 2477296 1731140 10.07 216716 3482644 228008 01:26:01 PM 11314308 13604596 4827224 29.91 2688 2492972 2450244 14.25 255732 4153008 912 01:27:01 PM 12445252 14986764 3696280 22.90 2688 2741536 1132320 6.59 533816 2745340 24548 Average: 12285429 14498762 3856103 23.89 2688 2418611 1604202 9.33 286245 3169554 103245 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:02 PM eth0 366.07 224.55 1711.57 76.74 0.00 0.00 0.00 0.00 01:24:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 496.73 339.94 4937.31 65.31 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 24.11 24.11 4.99 4.99 0.00 0.00 0.00 0.00 01:26:01 PM eth0 26.69 19.86 26.81 26.62 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 4.60 4.60 1.08 1.08 0.00 0.00 0.00 0.00 01:27:01 PM eth0 74.17 79.32 284.21 929.25 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.21 7.21 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 239.84 165.18 1726.53 275.35 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/08/2026 _x86_64_ (4 CPU) 13:22:51 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:02 PM all 27.02 0.02 5.21 3.57 0.10 64.08 01:24:02 PM 0 34.46 0.00 5.02 1.64 0.12 58.77 01:24:02 PM 1 30.58 0.00 4.95 2.17 0.08 62.22 01:24:02 PM 2 25.87 0.08 6.37 4.70 0.10 62.88 01:24:02 PM 3 17.11 0.00 4.48 5.79 0.10 72.51 01:25:01 PM all 33.52 0.00 2.84 1.74 0.12 61.78 01:25:01 PM 0 24.37 0.00 2.98 1.84 0.10 70.71 01:25:01 PM 1 31.37 0.00 2.98 1.96 0.12 63.57 01:25:01 PM 2 45.43 0.00 2.99 1.46 0.14 49.98 01:25:01 PM 3 32.89 0.00 2.42 1.70 0.12 62.87 01:26:01 PM all 37.07 0.00 1.01 0.30 0.08 61.54 01:26:01 PM 0 45.20 0.00 0.45 0.02 0.08 54.25 01:26:01 PM 1 36.05 0.00 1.64 0.37 0.08 61.86 01:26:01 PM 2 21.00 0.00 1.72 0.80 0.08 76.40 01:26:01 PM 3 46.01 0.00 0.25 0.00 0.08 53.66 01:27:01 PM all 21.34 0.00 1.80 0.36 0.08 76.42 01:27:01 PM 0 19.51 0.00 1.94 0.25 0.07 78.23 01:27:01 PM 1 26.32 0.00 1.91 0.95 0.10 70.72 01:27:01 PM 2 24.80 0.00 1.55 0.15 0.07 73.42 01:27:01 PM 3 14.73 0.00 1.79 0.10 0.07 83.31 Average: all 29.72 0.01 2.71 1.49 0.09 65.97 Average: 0 30.92 0.00 2.59 0.93 0.09 65.46 Average: 1 31.08 0.00 2.87 1.36 0.10 64.59 Average: 2 29.20 0.02 3.16 1.78 0.10 65.74 Average: 3 27.68 0.00 2.23 1.90 0.09 68.10