---> uname -a: Linux prd-centos8-docker-4c-4g-7305.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 15761 836 11718 19 3205 14575 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:21:10:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.142/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85997sec preferred_lft 85997sec inet6 fe80::f816:3eff:fe21:1069/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e3:ab:b8:cf 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:e3ff:feab:b8cf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/06/2026 _x86_64_ (4 CPU) 06:04:49 LINUX RESTART (4 CPU) 06:05:01 AM tps rtps wtps bread/s bwrtn/s 06:06:01 AM 268.76 23.44 245.32 5701.73 43992.95 06:07:01 AM 214.24 20.50 193.74 4142.55 15533.71 06:08:01 AM 91.89 1.42 90.47 86.64 10997.97 06:09:01 AM 4.13 0.00 4.13 0.00 304.47 06:10:01 AM 65.03 3.37 61.66 555.95 15208.05 06:11:01 AM 34.53 0.12 34.41 10.93 3867.37 Average: 113.11 8.14 104.97 1749.93 14984.85 06:05:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:06:01 AM 13251292 15051972 2888020 17.89 2688 2015344 1155168 6.72 146408 2382500 177288 06:07:01 AM 11481852 13758284 4657460 28.86 2688 2478544 2270904 13.21 229056 4007456 120072 06:08:01 AM 10627412 13098488 5511900 34.15 2688 2670164 2728088 15.87 263872 4812068 2808 06:09:01 AM 10114124 12590820 6025188 37.33 2688 2675564 3218728 18.73 265516 5322452 2748 06:10:01 AM 6557480 9507088 9581832 59.37 2688 3137460 13567184 78.93 375132 8679716 232 06:11:01 AM 12039008 14952776 4100304 25.41 2688 3101576 1737504 10.11 577696 3046420 7532 Average: 10678528 13159905 5460784 33.84 2688 2679775 4112929 23.93 309613 4708435 51780 06:05:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 AM eth0 431.82 237.17 1955.28 72.04 0.00 0.00 0.00 0.00 06:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 AM eth0 226.06 193.02 2903.49 32.30 0.00 0.00 0.00 0.00 06:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 AM eth0 174.36 130.29 2843.82 33.74 0.00 0.00 0.00 0.00 06:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 AM eth0 16.36 16.78 3.24 22.23 0.00 0.00 0.00 0.00 06:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 AM lo 7.90 7.90 7.58 7.58 0.00 0.00 0.00 0.00 06:10:01 AM eth0 208.06 129.66 2831.50 16.56 0.00 0.00 0.00 0.00 06:10:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 06:10:01 AM veth538667c 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 06:10:01 AM br-cd815e8ff469 2.30 2.42 6.77 0.32 0.00 0.00 0.00 0.00 06:10:01 AM vethab5aae0 2.18 2.33 6.79 0.30 0.00 0.00 0.00 0.00 06:10:01 AM veth2deec9e 4.40 4.62 7.08 7.10 0.00 0.00 0.00 0.00 06:11:01 AM lo 8.70 8.70 19.70 19.70 0.00 0.00 0.00 0.00 06:11:01 AM eth0 9.23 7.52 6.08 3.73 0.00 0.00 0.00 0.00 06:11:01 AM docker0 0.17 0.18 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 2.77 2.77 4.55 4.55 0.00 0.00 0.00 0.00 Average: eth0 177.66 119.08 1757.43 30.10 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/06/2026 _x86_64_ (4 CPU) 06:04:49 LINUX RESTART (4 CPU) 06:05:01 AM CPU %user %nice %system %iowait %steal %idle 06:06:01 AM all 27.64 0.00 3.49 1.14 0.08 67.66 06:06:01 AM 0 41.77 0.00 4.02 0.82 0.08 53.31 06:06:01 AM 1 15.91 0.00 3.03 1.36 0.10 79.60 06:06:01 AM 2 25.07 0.00 3.27 0.47 0.07 71.13 06:06:01 AM 3 27.78 0.00 3.64 1.91 0.07 66.61 06:07:01 AM all 40.83 0.00 3.11 1.09 0.10 54.88 06:07:01 AM 0 37.48 0.00 4.06 1.65 0.10 56.70 06:07:01 AM 1 41.68 0.00 2.34 0.69 0.08 55.21 06:07:01 AM 2 39.14 0.00 3.26 1.37 0.10 56.12 06:07:01 AM 3 45.00 0.00 2.76 0.64 0.10 51.50 06:08:01 AM all 54.63 0.00 1.50 0.44 0.08 43.35 06:08:01 AM 0 60.92 0.00 1.54 0.33 0.08 37.13 06:08:01 AM 1 51.69 0.00 1.25 0.47 0.08 46.51 06:08:01 AM 2 59.64 0.00 1.52 0.75 0.08 38.00 06:08:01 AM 3 46.25 0.00 1.69 0.22 0.08 51.76 06:09:01 AM all 17.49 0.00 0.38 0.01 0.06 82.06 06:09:01 AM 0 15.45 0.00 0.33 0.00 0.07 84.15 06:09:01 AM 1 12.12 0.00 0.32 0.02 0.07 87.48 06:09:01 AM 2 16.45 0.00 0.28 0.00 0.05 83.21 06:09:01 AM 3 25.94 0.00 0.60 0.02 0.07 73.38 06:10:01 AM all 43.53 0.00 2.79 0.46 0.09 53.13 06:10:01 AM 0 31.02 0.00 2.65 0.57 0.08 65.68 06:10:01 AM 1 33.31 0.00 2.49 0.47 0.08 63.65 06:10:01 AM 2 38.97 0.00 2.62 0.44 0.08 57.89 06:10:01 AM 3 70.83 0.00 3.39 0.37 0.12 25.29 06:11:01 AM all 20.85 0.00 1.68 0.12 0.08 77.26 06:11:01 AM 0 20.64 0.00 1.49 0.08 0.10 77.69 06:11:01 AM 1 17.78 0.00 1.39 0.20 0.07 80.57 06:11:01 AM 2 25.76 0.00 1.69 0.03 0.08 72.43 06:11:01 AM 3 19.23 0.00 2.16 0.17 0.08 78.36 Average: all 34.16 0.00 2.16 0.54 0.08 63.06 Average: 0 34.54 0.00 2.35 0.58 0.09 62.45 Average: 1 28.75 0.00 1.80 0.53 0.08 68.83 Average: 2 34.17 0.00 2.10 0.51 0.08 63.13 Average: 3 39.16 0.00 2.37 0.55 0.09 57.83