---> uname -a: Linux prd-centos8-docker-4c-4g-2416.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 810 11827 19 3124 14606 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:b6:03:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.66/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85986sec preferred_lft 85986sec inet6 fe80::f816:3eff:feb6:39d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4f:35:96:7a 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::42:4fff:fe35:967a/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) 13:38:19 LINUX RESTART (4 CPU) 01:39:01 PM tps rtps wtps bread/s bwrtn/s 01:40:01 PM 183.27 18.73 164.55 3462.85 10620.41 01:41:01 PM 158.44 3.23 155.21 774.95 10357.85 01:42:01 PM 31.53 0.05 31.48 1.07 7614.03 01:43:01 PM 2.97 1.83 1.13 60.52 154.87 01:44:01 PM 86.35 1.65 84.71 496.23 16133.16 01:45:01 PM 37.00 0.42 36.59 56.11 1778.26 Average: 83.27 4.32 78.95 808.66 7776.72 01:39:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:40:01 PM 12691708 14754504 3449824 21.37 2688 2270684 1409732 8.20 163880 2896472 190568 01:41:01 PM 10308668 12688440 5832864 36.14 2688 2581252 3330480 19.37 257076 5154028 215428 01:42:01 PM 8932968 11320640 7208564 44.66 2688 2588836 4547536 26.45 264724 6517232 2512 01:43:01 PM 8849780 11245312 7291752 45.17 2688 2596476 4594828 26.73 267120 6597120 4416 01:44:01 PM 8178796 11005728 7962736 49.33 2688 3017272 5122692 29.80 405628 7080220 108 01:45:01 PM 12143312 14986160 3998220 24.77 2688 3032296 1172980 6.82 596276 2941984 10788 Average: 10184205 12666797 5957327 36.91 2688 2681136 3363041 19.56 325784 5197843 70637 01:39:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM eth0 160.81 131.92 2135.40 25.79 0.00 0.00 0.00 0.00 01:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM eth0 336.85 271.93 4362.58 39.70 0.00 0.00 0.00 0.00 01:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 PM eth0 26.13 22.61 5.43 29.64 0.00 0.00 0.00 0.00 01:42:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:43:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:43:01 PM eth0 16.40 15.81 3.68 19.06 0.00 0.00 0.00 0.00 01:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:44:01 PM lo 15.14 15.14 27.18 27.18 0.00 0.00 0.00 0.00 01:44:01 PM eth0 176.31 112.01 2825.64 10.46 0.00 0.00 0.00 0.00 01:44:01 PM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 01:44:01 PM veth251eeae 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 01:44:01 PM br-fd507643225b 5.51 5.55 25.60 0.93 0.00 0.00 0.00 0.00 01:45:01 PM lo 1.43 1.43 0.10 0.10 0.00 0.00 0.00 0.00 01:45:01 PM eth0 25.46 21.06 19.35 20.34 0.00 0.00 0.00 0.00 01:45:01 PM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.76 2.76 4.55 4.55 0.00 0.00 0.00 0.00 Average: eth0 123.67 95.90 1558.85 24.17 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) 13:38:19 LINUX RESTART (4 CPU) 01:39:01 PM CPU %user %nice %system %iowait %steal %idle 01:40:01 PM all 23.29 0.00 2.41 1.33 0.08 72.90 01:40:01 PM 0 22.03 0.00 2.52 1.47 0.08 73.90 01:40:01 PM 1 26.42 0.00 2.34 1.29 0.07 69.88 01:40:01 PM 2 29.25 0.00 2.09 0.80 0.08 67.78 01:40:01 PM 3 15.46 0.00 2.68 1.76 0.07 80.04 01:41:01 PM all 59.15 0.00 2.65 0.70 0.10 37.39 01:41:01 PM 0 63.97 0.00 3.33 0.65 0.12 31.94 01:41:01 PM 1 65.50 0.00 1.80 0.80 0.10 31.79 01:41:01 PM 2 60.97 0.00 2.27 0.47 0.10 36.19 01:41:01 PM 3 46.12 0.00 3.22 0.89 0.10 49.67 01:42:01 PM all 40.79 0.00 0.73 0.23 0.10 58.15 01:42:01 PM 0 36.23 0.00 0.70 0.30 0.10 62.66 01:42:01 PM 1 33.76 0.00 0.57 0.02 0.10 65.56 01:42:01 PM 2 37.62 0.00 0.50 0.62 0.10 61.16 01:42:01 PM 3 55.53 0.00 1.17 0.00 0.10 43.21 01:43:01 PM all 18.48 0.00 0.40 0.01 0.06 81.05 01:43:01 PM 0 13.78 0.00 0.30 0.00 0.05 85.87 01:43:01 PM 1 18.22 0.00 0.23 0.00 0.05 81.50 01:43:01 PM 2 32.07 0.00 0.67 0.05 0.07 67.15 01:43:01 PM 3 9.81 0.00 0.40 0.00 0.07 89.72 01:44:01 PM all 30.92 0.00 3.10 0.58 0.09 65.30 01:44:01 PM 0 31.43 0.00 3.00 0.17 0.08 65.31 01:44:01 PM 1 27.25 0.00 3.53 1.04 0.10 68.08 01:44:01 PM 2 40.77 0.00 2.99 0.55 0.08 55.61 01:44:01 PM 3 24.21 0.00 2.89 0.57 0.10 72.23 01:45:01 PM all 24.39 0.00 1.41 0.11 0.07 74.02 01:45:01 PM 0 24.76 0.00 1.75 0.10 0.07 73.32 01:45:01 PM 1 23.91 0.00 1.17 0.08 0.07 74.77 01:45:01 PM 2 22.33 0.00 1.37 0.03 0.07 76.20 01:45:01 PM 3 26.58 0.00 1.34 0.22 0.07 71.80 Average: all 32.83 0.00 1.78 0.49 0.08 64.81 Average: 0 32.02 0.00 1.93 0.45 0.08 65.51 Average: 1 32.51 0.00 1.60 0.54 0.08 65.26 Average: 2 37.16 0.00 1.65 0.42 0.08 60.69 Average: 3 29.63 0.00 1.95 0.57 0.08 67.77