---> uname -a: Linux prd-centos8-docker-4c-4g-1476.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 773 12193 20 2793 14647 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:3d:40:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fe3d:400d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d7:66:5c:61 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) 09/15/2026 _x86_64_ (4 CPU) 04:59:25 LINUX RESTART (4 CPU) 05:00:01 AM tps rtps wtps bread/s bwrtn/s 05:01:01 AM 167.49 15.24 152.25 3238.79 10262.10 05:02:01 AM 182.98 7.19 175.79 1026.57 13596.70 05:03:01 AM 29.47 0.05 29.42 1.07 7684.01 05:04:01 AM 2.93 1.72 1.22 51.04 297.75 05:05:01 AM 18.44 1.48 16.96 141.95 1036.79 Average: 80.28 5.14 75.14 891.87 6576.20 05:00:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:01:01 AM 12793984 14922628 3345332 20.73 2688 2335268 1277440 7.43 159616 2787672 268952 05:02:01 AM 11017216 13486664 5122100 31.74 2688 2669192 2367452 13.77 254748 4431492 219816 05:03:01 AM 9980620 12454748 6158696 38.16 2688 2673788 3277380 19.07 260588 5460436 1572 05:04:01 AM 8581172 11064688 7558144 46.83 2688 2682844 4620860 26.88 264568 6851288 880 05:05:01 AM 12507928 15020112 3631388 22.50 2688 2709792 1149104 6.69 471100 2726512 27908 Average: 10976184 13389768 5163132 31.99 2688 2614177 2538447 14.77 282124 4451480 103826 05:00:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 AM eth0 188.94 145.68 2337.77 23.07 0.00 0.00 0.00 0.00 05:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 AM eth0 293.06 248.00 4595.42 32.96 0.00 0.00 0.00 0.00 05:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 AM eth0 199.70 137.80 92.47 94.26 0.00 0.00 0.00 0.00 05:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 AM eth0 201.33 143.26 91.83 82.99 0.00 0.00 0.00 0.00 05:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:05:01 AM lo 6.50 6.50 0.79 0.79 0.00 0.00 0.00 0.00 05:05:01 AM eth0 21.71 17.51 14.06 9.29 0.00 0.00 0.00 0.00 05:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 180.96 138.47 1426.69 48.52 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) 09/15/2026 _x86_64_ (4 CPU) 04:59:25 LINUX RESTART (4 CPU) 05:00:01 AM CPU %user %nice %system %iowait %steal %idle 05:01:01 AM all 23.09 0.00 2.14 0.91 0.03 73.84 05:01:01 AM 0 48.23 0.00 3.83 1.02 0.03 46.89 05:01:01 AM 1 8.59 0.00 0.80 0.20 0.02 90.39 05:01:01 AM 2 23.08 0.00 1.87 0.77 0.02 74.26 05:01:01 AM 3 12.47 0.00 2.04 1.64 0.03 83.82 05:02:01 AM all 60.79 0.00 2.22 0.87 0.04 36.08 05:02:01 AM 0 56.08 0.00 1.55 0.33 0.03 42.00 05:02:01 AM 1 61.90 0.00 2.15 0.60 0.03 35.31 05:02:01 AM 2 67.89 0.00 2.45 0.92 0.05 28.69 05:02:01 AM 3 57.28 0.00 2.74 1.62 0.03 38.32 05:03:01 AM all 33.68 0.00 1.55 0.13 0.02 64.62 05:03:01 AM 0 28.31 0.00 1.50 0.07 0.02 70.10 05:03:01 AM 1 34.95 0.00 2.10 0.18 0.02 62.75 05:03:01 AM 2 32.25 0.00 1.44 0.17 0.00 66.15 05:03:01 AM 3 39.21 0.00 1.17 0.12 0.03 59.47 05:04:01 AM all 30.23 0.00 1.31 0.03 0.03 68.41 05:04:01 AM 0 19.75 0.00 1.25 0.02 0.02 78.96 05:04:01 AM 1 35.68 0.00 1.45 0.00 0.07 62.80 05:04:01 AM 2 41.15 0.00 1.37 0.07 0.02 57.40 05:04:01 AM 3 24.31 0.00 1.17 0.02 0.00 74.51 05:05:01 AM all 46.78 0.00 1.81 0.09 0.05 51.28 05:05:01 AM 0 53.50 0.00 1.70 0.02 0.07 44.72 05:05:01 AM 1 32.70 0.00 2.14 0.23 0.03 64.90 05:05:01 AM 2 41.80 0.00 1.85 0.02 0.03 56.29 05:05:01 AM 3 59.09 0.00 1.55 0.10 0.05 39.20 Average: all 38.92 0.00 1.81 0.41 0.03 58.84 Average: 0 41.19 0.00 1.97 0.29 0.03 56.52 Average: 1 34.77 0.00 1.73 0.24 0.03 63.23 Average: 2 41.24 0.00 1.80 0.39 0.02 56.55 Average: 3 38.48 0.00 1.74 0.70 0.03 59.06