---> uname -a: Linux prd-centos8-docker-4c-4g-13385.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: 2799.996 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: 15761 822 12140 19 2797 14600 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:21:0a:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.180/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85972sec preferred_lft 85972sec inet6 fe80::f816:3eff:fe21:a57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:33:03:90 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/15/2026 _x86_64_ (4 CPU) 12:53:44 LINUX RESTART (4 CPU) 12:54:01 PM tps rtps wtps bread/s bwrtn/s 12:55:01 PM 203.10 26.89 176.21 6309.66 8290.45 12:56:01 PM 181.74 18.66 163.07 3503.42 11970.54 12:57:01 PM 128.83 3.25 125.58 775.35 8804.73 12:58:01 PM 34.01 0.00 34.01 0.00 7960.28 12:59:01 PM 3.20 0.00 3.20 0.00 267.01 01:00:01 PM 5.00 2.78 2.21 136.82 178.10 Average: 92.64 8.60 84.04 1787.43 6244.72 12:54:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:55:01 PM 13184148 14989812 2955172 18.31 2688 2021884 1270776 7.39 185456 2416056 202900 12:56:01 PM 12496288 14674408 3643032 22.57 2688 2382560 1492288 8.68 166792 3071456 174372 12:57:01 PM 10759616 13249472 5379704 33.33 2688 2688636 3642192 21.19 249156 4698324 226632 12:58:01 PM 9763260 12257340 6376060 39.51 2688 2692648 4302284 25.03 263764 5676028 2172 12:59:01 PM 9326668 11826000 6812652 42.21 2688 2697716 5340928 31.07 265380 6110284 1568 01:00:01 PM 8017168 10527192 8122152 50.33 2688 2708136 5533392 32.19 277004 7402056 3616 Average: 10591191 12920704 5548129 34.38 2688 2531930 3596977 20.93 234592 4895701 101877 12:54:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:55:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:55:01 PM eth0 468.52 267.67 1783.82 74.77 0.00 0.00 0.00 0.00 12:55:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 PM eth0 197.42 147.98 1855.95 25.81 0.00 0.00 0.00 0.00 12:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:57:01 PM eth0 305.91 216.77 4311.03 27.10 0.00 0.00 0.00 0.00 12:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 PM eth0 17.71 15.68 3.42 22.42 0.00 0.00 0.00 0.00 12:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 PM eth0 16.34 16.26 3.18 20.37 0.00 0.00 0.00 0.00 12:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 PM lo 6.09 6.09 0.77 0.77 0.00 0.00 0.00 0.00 01:00:01 PM eth0 15.62 14.52 3.53 7.79 0.00 0.00 0.00 0.00 01:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 170.26 113.15 1326.88 29.71 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/15/2026 _x86_64_ (4 CPU) 12:53:44 LINUX RESTART (4 CPU) 12:54:01 PM CPU %user %nice %system %iowait %steal %idle 12:55:01 PM all 26.49 0.00 3.55 1.14 0.13 68.68 12:55:01 PM 0 24.31 0.00 3.60 0.37 0.12 71.61 12:55:01 PM 1 24.54 0.00 3.47 2.79 0.14 69.07 12:55:01 PM 2 41.52 0.00 4.14 0.86 0.15 53.33 12:55:01 PM 3 15.50 0.00 2.99 0.56 0.12 80.83 12:56:01 PM all 25.33 0.00 3.02 2.00 0.13 69.53 12:56:01 PM 0 23.20 0.00 2.85 1.11 0.13 72.71 12:56:01 PM 1 21.04 0.00 3.04 1.16 0.10 74.66 12:56:01 PM 2 16.82 0.00 1.83 2.31 0.12 78.93 12:56:01 PM 3 40.41 0.00 4.38 3.43 0.15 51.62 12:57:01 PM all 61.84 0.00 2.97 0.85 0.18 34.16 12:57:01 PM 0 61.67 0.00 2.69 1.53 0.17 33.94 12:57:01 PM 1 68.39 0.00 2.91 0.32 0.19 28.19 12:57:01 PM 2 51.12 0.00 3.93 1.15 0.19 43.62 12:57:01 PM 3 66.08 0.00 2.35 0.42 0.18 30.96 12:58:01 PM all 53.28 0.00 1.01 0.38 0.20 45.13 12:58:01 PM 0 54.10 0.00 0.64 0.05 0.18 45.03 12:58:01 PM 1 57.26 0.00 0.65 0.15 0.22 41.71 12:58:01 PM 2 62.10 0.00 1.51 0.27 0.22 35.91 12:58:01 PM 3 39.66 0.00 1.26 1.04 0.17 57.87 12:59:01 PM all 20.48 0.00 0.52 0.01 0.09 78.91 12:59:01 PM 0 16.35 0.00 0.37 0.00 0.08 83.19 12:59:01 PM 1 33.19 0.00 0.67 0.00 0.10 66.04 12:59:01 PM 2 17.11 0.00 0.39 0.00 0.07 82.43 12:59:01 PM 3 15.22 0.00 0.64 0.03 0.10 84.00 01:00:01 PM all 46.31 0.00 1.22 0.03 0.15 52.28 01:00:01 PM 0 21.77 0.00 1.32 0.02 0.15 76.74 01:00:01 PM 1 51.86 0.00 0.92 0.00 0.15 47.07 01:00:01 PM 2 61.07 0.00 1.02 0.05 0.15 37.70 01:00:01 PM 3 50.43 0.00 1.63 0.07 0.15 47.72 Average: all 38.95 0.00 2.05 0.73 0.15 58.12 Average: 0 33.57 0.00 1.91 0.51 0.14 63.87 Average: 1 42.73 0.00 1.94 0.73 0.15 54.45 Average: 2 41.62 0.00 2.13 0.77 0.15 55.33 Average: 3 37.89 0.00 2.20 0.92 0.15 58.84