---> uname -a: Linux prd-centos8-docker-4c-4g-2852.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 780 12220 19 2762 14648 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:ed:95:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.154/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:feed:954a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:b6:4c:8a 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) 03/18/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 203.23 15.00 188.24 3202.53 10233.74 01:25:01 PM 164.33 6.21 158.11 1055.91 13394.30 01:26:01 PM 48.74 2.93 45.81 108.25 9486.47 Average: 138.77 8.05 130.72 1455.54 11038.30 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12884436 14852480 3257096 20.18 2688 2175560 1325852 7.71 183436 2679808 123780 01:25:01 PM 11487252 13722504 4654280 28.83 2688 2438488 2998768 17.44 249580 3986976 1944 01:26:01 PM 12451592 14940868 3689940 22.86 2688 2690580 1182412 6.88 519680 2755424 5908 Average: 12274427 14505284 3867105 23.96 2688 2434876 1835677 10.68 317565 3140736 43877 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 183.95 146.66 1559.90 31.63 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 20.79 20.79 4.44 4.44 0.00 0.00 0.00 0.00 01:25:01 PM eth0 397.93 259.16 3724.50 69.37 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 7.95 7.95 1.62 1.62 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.22 72.29 273.78 925.21 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 Average: lo 9.58 9.58 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 215.71 159.38 1852.83 342.05 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) 03/18/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.54 0.00 2.43 0.82 0.09 70.11 01:24:01 PM 0 27.91 0.00 2.89 0.72 0.10 68.39 01:24:01 PM 1 24.04 0.00 2.12 0.65 0.08 73.10 01:24:01 PM 2 34.67 0.00 2.32 0.64 0.08 62.29 01:24:01 PM 3 19.53 0.00 2.38 1.29 0.10 76.70 01:25:01 PM all 50.80 0.00 1.89 0.86 0.10 46.36 01:25:01 PM 0 57.06 0.00 1.47 0.62 0.08 40.77 01:25:01 PM 1 42.23 0.00 3.42 2.19 0.12 52.04 01:25:01 PM 2 42.96 0.00 1.97 0.40 0.10 54.56 01:25:01 PM 3 60.91 0.00 0.68 0.22 0.08 38.10 01:26:01 PM all 16.27 0.00 1.35 0.30 0.06 82.03 01:26:01 PM 0 9.61 0.00 1.12 0.08 0.07 89.12 01:26:01 PM 1 13.95 0.00 1.79 0.35 0.05 83.86 01:26:01 PM 2 14.40 0.00 1.20 0.70 0.05 83.64 01:26:01 PM 3 27.10 0.00 1.29 0.05 0.07 71.50 Average: all 31.20 0.00 1.89 0.66 0.08 66.17 Average: 0 31.53 0.00 1.83 0.47 0.08 66.09 Average: 1 26.73 0.00 2.44 1.07 0.08 69.68 Average: 2 30.67 0.00 1.83 0.58 0.08 66.84 Average: 3 35.87 0.00 1.45 0.52 0.08 62.08