---> uname -a: Linux prd-centos8-docker-4c-4g-2282.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 816 11830 19 3116 14601 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:54:0e:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.28/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85973sec preferred_lft 85973sec inet6 fe80::f816:3eff:fe54:ed4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:df:9e:97:ca 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::42:dfff:fe9e:97ca/64 scope link 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) 03/31/2026 _x86_64_ (4 CPU) 13:11:03 LINUX RESTART (4 CPU) 01:12:01 PM tps rtps wtps bread/s bwrtn/s 01:13:01 PM 216.91 20.13 196.78 4023.86 13788.37 01:14:01 PM 101.40 1.85 99.55 116.11 6269.22 01:15:01 PM 21.70 0.00 21.70 0.00 6300.97 01:16:01 PM 5.81 2.75 3.07 164.45 309.21 01:17:01 PM 90.79 0.63 90.15 427.46 18243.70 01:18:01 PM 29.72 0.45 29.27 56.38 987.09 Average: 77.72 4.30 73.42 798.07 7649.63 01:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:13:01 PM 12275544 14413468 3865988 23.95 2688 2343480 2122260 12.35 209056 3252084 107872 01:14:01 PM 10224312 12596916 5917220 36.66 2688 2574116 3590708 20.89 263040 5230020 178608 01:15:01 PM 10005972 12381936 6135560 38.01 2688 2577408 3687660 21.45 263108 5447092 84 01:16:01 PM 8584104 10975180 7557428 46.82 2688 2592020 5088372 29.60 269236 6858072 2576 01:17:01 PM 7948548 10767552 8192984 50.76 2688 3009532 5608444 32.63 405268 7312180 108 01:18:01 PM 12175800 15010540 3965732 24.57 2688 3024328 1146248 6.67 595184 2913012 24996 Average: 10202380 12690932 5939152 36.79 2688 2686814 3540615 20.60 334149 5168743 52374 01:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:13:01 PM eth0 223.03 180.76 2363.89 37.26 0.00 0.00 0.00 0.00 01:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:14:01 PM eth0 267.81 198.07 3412.74 33.30 0.00 0.00 0.00 0.00 01:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:15:01 PM eth0 17.70 15.96 3.80 27.99 0.00 0.00 0.00 0.00 01:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:01 PM eth0 21.44 20.37 4.57 14.06 0.00 0.00 0.00 0.00 01:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:17:01 PM lo 16.33 16.33 27.15 27.15 0.00 0.00 0.00 0.00 01:17:01 PM eth0 179.24 110.28 2827.17 9.43 0.00 0.00 0.00 0.00 01:17:01 PM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 01:17:01 PM veth74f393b 0.18 0.43 0.01 0.03 0.00 0.00 0.00 0.00 01:17:01 PM br-64130ddfd56e 5.88 5.65 25.62 0.94 0.00 0.00 0.00 0.00 01:18:01 PM lo 1.20 1.20 0.08 0.08 0.00 0.00 0.00 0.00 01:18:01 PM eth0 27.82 23.68 21.69 19.61 0.00 0.00 0.00 0.00 01:18:01 PM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.92 2.92 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 122.83 91.52 1438.92 23.61 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 03/31/2026 _x86_64_ (4 CPU) 13:11:03 LINUX RESTART (4 CPU) 01:12:01 PM CPU %user %nice %system %iowait %steal %idle 01:13:01 PM all 35.45 0.00 3.21 1.48 0.13 59.73 01:13:01 PM 0 33.44 0.00 4.57 2.04 0.13 59.81 01:13:01 PM 1 32.47 0.00 2.54 1.02 0.12 63.85 01:13:01 PM 2 38.19 0.00 4.10 2.35 0.13 55.23 01:13:01 PM 3 37.72 0.00 1.62 0.54 0.12 60.01 01:14:01 PM all 62.98 0.00 2.14 0.66 0.16 34.05 01:14:01 PM 0 56.39 0.00 2.14 0.65 0.15 40.67 01:14:01 PM 1 64.50 0.00 2.34 1.10 0.17 31.89 01:14:01 PM 2 65.43 0.00 2.17 0.27 0.17 31.97 01:14:01 PM 3 65.61 0.00 1.90 0.63 0.17 31.69 01:15:01 PM all 16.79 0.00 0.39 0.38 0.07 82.37 01:15:01 PM 0 13.93 0.00 0.43 0.00 0.08 85.55 01:15:01 PM 1 16.67 0.00 0.42 1.44 0.07 81.41 01:15:01 PM 2 19.40 0.00 0.35 0.07 0.05 80.13 01:15:01 PM 3 17.17 0.00 0.37 0.00 0.08 82.38 01:16:01 PM all 40.91 0.00 0.91 0.05 0.11 58.02 01:16:01 PM 0 22.06 0.00 0.70 0.00 0.10 77.14 01:16:01 PM 1 50.27 0.00 0.85 0.08 0.12 48.68 01:16:01 PM 2 65.94 0.00 1.47 0.05 0.13 32.40 01:16:01 PM 3 25.30 0.00 0.63 0.07 0.08 73.92 01:17:01 PM all 24.72 0.00 3.56 1.04 0.13 70.55 01:17:01 PM 0 22.84 0.00 3.66 0.78 0.13 72.59 01:17:01 PM 1 24.86 0.00 3.35 0.64 0.12 71.03 01:17:01 PM 2 26.28 0.00 4.35 0.87 0.12 68.38 01:17:01 PM 3 24.90 0.00 2.87 1.88 0.13 70.22 01:18:01 PM all 27.59 0.00 1.76 0.08 0.09 70.48 01:18:01 PM 0 21.42 0.00 1.23 0.02 0.08 77.24 01:18:01 PM 1 28.11 0.00 2.14 0.18 0.10 69.47 01:18:01 PM 2 34.94 0.00 1.75 0.10 0.08 63.13 01:18:01 PM 3 25.89 0.00 1.91 0.03 0.08 72.09 Average: all 34.75 0.00 1.99 0.62 0.11 62.52 Average: 0 28.35 0.00 2.12 0.58 0.11 68.84 Average: 1 36.17 0.00 1.94 0.74 0.11 61.03 Average: 2 41.72 0.00 2.36 0.62 0.11 55.19 Average: 3 32.77 0.00 1.55 0.52 0.11 65.04