---> uname -a: Linux prd-centos8-docker-4c-4g-1826.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1073 10917 19 3772 14340 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:57:e2:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.79/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86091sec preferred_lft 86091sec inet6 fe80::f816:3eff:fe57:e25b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:50:e5:19:a4 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::42:50ff:fee5:19a4/64 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) 03/04/2026 _x86_64_ (4 CPU) 17:31:39 LINUX RESTART (4 CPU) 05:32:01 PM tps rtps wtps bread/s bwrtn/s 05:33:01 PM 297.05 8.95 288.11 1541.50 8524.45 05:34:01 PM 296.49 5.43 291.06 930.71 28804.11 05:35:01 PM 1099.95 12.58 1087.37 175.51 34808.85 05:36:01 PM 165.70 104.18 61.52 1917.55 4049.65 Average: 464.75 32.79 431.96 1141.41 19045.30 05:32:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:33:01 PM 13080592 14924780 3060940 18.96 2688 2054744 1558024 9.06 151660 2538680 230844 05:34:01 PM 9556088 11995764 6585444 40.80 2688 2633560 4873864 28.35 297860 5824880 1320 05:35:01 PM 10736520 14128376 5405012 33.49 2688 3390328 1750496 10.18 405700 4102032 79152 05:36:01 PM 10505816 13978888 5635716 34.91 2688 3466916 2005692 11.67 434648 4296120 16976 Average: 10969754 13756952 5171778 32.04 2688 2886387 2547019 14.82 322467 4190428 82073 05:32:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 PM eth0 163.22 105.73 1484.98 41.14 0.00 0.00 0.00 0.00 05:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 PM lo 4.56 4.56 3.45 3.45 0.00 0.00 0.00 0.00 05:34:01 PM eth0 386.61 288.59 5289.26 41.54 0.00 0.00 0.00 0.00 05:34:01 PM docker0 2.83 2.51 3.14 0.39 0.00 0.00 0.00 0.00 05:34:01 PM veth5dff3c2 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 05:34:01 PM veth940bc80 2.71 2.43 3.17 0.38 0.00 0.00 0.00 0.00 05:35:01 PM lo 1.57 1.57 1.05 1.05 0.00 0.00 0.00 0.00 05:35:01 PM eth0 230.87 150.61 1864.87 28.04 0.00 0.00 0.00 0.00 05:35:01 PM docker0 0.47 0.45 0.94 0.05 0.00 0.00 0.00 0.00 05:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 PM eth0 2.80 1.98 0.62 0.78 0.00 0.00 0.00 0.00 05:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.53 1.53 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 195.86 136.72 2159.79 27.87 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.74 1.02 0.11 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) 03/04/2026 _x86_64_ (4 CPU) 17:31:39 LINUX RESTART (4 CPU) 05:32:01 PM CPU %user %nice %system %iowait %steal %idle 05:33:01 PM all 24.39 0.00 2.67 1.16 0.08 71.69 05:33:01 PM 0 16.11 0.00 2.96 3.21 0.08 77.64 05:33:01 PM 1 18.03 0.00 1.69 0.28 0.08 79.91 05:33:01 PM 2 43.08 0.00 4.26 0.60 0.08 51.97 05:33:01 PM 3 20.30 0.00 1.78 0.55 0.08 77.28 05:34:01 PM all 45.12 0.11 3.66 1.83 0.11 49.17 05:34:01 PM 0 44.99 0.03 3.58 1.51 0.13 49.76 05:34:01 PM 1 46.38 0.18 3.26 2.00 0.10 48.08 05:34:01 PM 2 38.32 0.12 4.03 2.03 0.10 55.39 05:34:01 PM 3 50.76 0.12 3.79 1.76 0.12 43.44 05:35:01 PM all 26.93 0.00 12.25 7.75 0.10 52.97 05:35:01 PM 0 19.03 0.00 12.26 8.24 0.09 60.39 05:35:01 PM 1 22.80 0.00 11.07 7.45 0.10 58.58 05:35:01 PM 2 35.50 0.00 11.32 5.73 0.09 47.36 05:35:01 PM 3 30.33 0.00 14.35 9.59 0.12 45.62 05:36:01 PM all 41.25 0.00 1.67 1.17 0.11 55.79 05:36:01 PM 0 24.51 0.00 1.24 0.50 0.12 73.63 05:36:01 PM 1 46.00 0.00 1.42 0.90 0.12 51.55 05:36:01 PM 2 54.31 0.00 2.31 2.49 0.13 40.76 05:36:01 PM 3 40.18 0.00 1.72 0.80 0.08 57.21 Average: all 34.45 0.03 5.03 2.96 0.10 57.43 Average: 0 26.18 0.01 4.96 3.34 0.11 65.40 Average: 1 33.35 0.05 4.33 2.64 0.10 59.54 Average: 2 42.84 0.03 5.46 2.70 0.10 48.87 Average: 3 35.41 0.03 5.37 3.15 0.10 55.94