---> uname -a: Linux prd-centos8-docker-4c-4g-2156.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: 2800.000 BogoMIPS: 5600.00 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 793 12149 19 2820 14634 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:82:6b:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe82:6b06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a2:d9:b2:2b 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) 04/16/2026 _x86_64_ (4 CPU) 13:22:48 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 265.39 22.93 242.46 5830.63 9053.14 01:25:01 PM 271.18 18.99 252.19 3990.27 19268.55 01:26:01 PM 26.40 1.82 24.58 68.92 1957.52 01:27:01 PM 62.71 3.13 59.58 139.55 9700.20 Average: 156.43 11.72 144.71 2507.37 9995.61 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13340336 15167712 2801196 17.35 2688 2038592 1029708 5.99 136844 2297096 218176 01:25:01 PM 11727668 14017392 4413864 27.34 2688 2493148 2121064 12.34 240984 3757280 49028 01:26:01 PM 11427032 13721412 4714500 29.21 2688 2496996 2413216 14.04 254752 4041100 600 01:27:01 PM 12374328 14918952 3767204 23.34 2688 2744376 1249328 7.27 532732 2817472 8464 Average: 12217341 14456367 3924191 24.31 2688 2443278 1703329 9.91 291328 3228237 69067 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 394.85 233.64 1861.34 71.31 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 464.03 312.44 4720.57 60.03 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 25.86 25.86 5.15 5.15 0.00 0.00 0.00 0.00 01:26:01 PM eth0 49.09 30.16 20.67 25.62 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 2.87 2.87 0.91 0.91 0.00 0.00 0.00 0.00 01:27:01 PM eth0 107.41 99.37 299.99 949.31 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 7.22 7.22 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 253.86 168.91 1725.83 276.58 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) 04/16/2026 _x86_64_ (4 CPU) 13:22:48 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.85 0.00 3.16 1.48 0.09 67.43 01:24:01 PM 0 25.65 0.00 2.49 0.35 0.08 71.43 01:24:01 PM 1 31.39 0.00 4.01 2.28 0.10 62.22 01:24:01 PM 2 34.14 0.00 3.85 2.16 0.08 59.77 01:24:01 PM 3 20.15 0.00 2.28 1.13 0.08 76.35 01:25:01 PM all 47.13 0.00 2.86 1.52 0.10 48.38 01:25:01 PM 0 47.92 0.00 2.98 1.07 0.10 47.93 01:25:01 PM 1 49.82 0.00 2.47 1.44 0.10 46.17 01:25:01 PM 2 42.37 0.00 2.64 1.69 0.12 53.19 01:25:01 PM 3 48.44 0.00 3.35 1.90 0.10 46.21 01:26:01 PM all 19.71 0.00 0.67 0.11 0.07 79.44 01:26:01 PM 0 14.81 0.00 0.87 0.28 0.07 83.97 01:26:01 PM 1 25.78 0.00 0.42 0.00 0.08 73.72 01:26:01 PM 2 13.21 0.00 0.82 0.13 0.07 85.77 01:26:01 PM 3 25.05 0.00 0.57 0.02 0.05 74.32 01:27:01 PM all 25.30 0.00 2.13 0.29 0.07 72.21 01:27:01 PM 0 14.36 0.00 1.82 0.07 0.08 83.67 01:27:01 PM 1 26.26 0.00 2.52 0.45 0.07 70.70 01:27:01 PM 2 28.10 0.00 2.42 0.55 0.07 68.86 01:27:01 PM 3 32.51 0.00 1.75 0.10 0.07 65.57 Average: all 29.99 0.00 2.20 0.85 0.08 66.87 Average: 0 25.67 0.00 2.04 0.44 0.08 71.77 Average: 1 33.32 0.00 2.35 1.04 0.09 63.21 Average: 2 29.45 0.00 2.43 1.13 0.08 66.90 Average: 3 31.56 0.00 1.99 0.78 0.08 65.60