---> uname -a: Linux prd-centos8-docker-4c-4g-1362.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 775 12194 20 2791 14645 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:1a:fe:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.57/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86050sec preferred_lft 86050sec inet6 fe80::f816:3eff:fe1a:fe36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:62:7a:60:fe 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) 09/14/2026 _x86_64_ (4 CPU) 13:35:42 LINUX RESTART (4 CPU) 01:36:01 PM tps rtps wtps bread/s bwrtn/s 01:37:01 PM 216.58 18.76 197.82 4254.18 9588.40 01:38:01 PM 229.22 21.93 207.30 4228.06 17142.64 01:39:01 PM 67.21 0.13 67.08 5.06 8281.96 01:40:00 PM 4.49 0.00 4.49 0.00 341.54 01:40:01 PM 0.00 0.00 0.00 0.00 0.00 01:41:01 PM 8.80 2.83 5.96 137.55 273.89 Average: 105.24 8.73 96.51 1724.97 7124.00 01:36:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:37:01 PM 13129924 15045504 3009392 18.65 2688 2126936 1145892 6.67 158264 2478040 266152 01:38:01 PM 12191376 14465808 3947940 24.46 2688 2476668 1602004 9.32 234936 3290908 41160 01:39:01 PM 9673492 12142376 6465824 40.06 2688 2668040 3756824 21.86 264156 5761548 3672 01:40:00 PM 9032564 11505080 7106752 44.03 2688 2671624 4338000 25.24 264184 6401044 964 01:40:01 PM 9032208 11504868 7107108 44.04 2688 2671700 4338000 25.24 264184 6401620 1056 01:41:01 PM 12570424 15067952 3568892 22.11 2688 2695428 1078172 6.27 283564 2851840 18664 Average: 10938331 13288598 5200985 32.23 2688 2551733 2709815 15.77 244881 4530833 55278 01:36:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:37:01 PM eth0 351.35 224.84 2170.08 69.78 0.00 0.00 0.00 0.00 01:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:38:01 PM eth0 258.01 223.31 2585.70 44.95 0.00 0.00 0.00 0.00 01:38:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 PM eth0 213.68 153.85 2960.77 48.22 0.00 0.00 0.00 0.00 01:39:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:00 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:00 PM eth0 298.00 198.51 114.12 114.04 0.00 0.00 0.00 0.00 01:40:00 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM eth0 606.08 339.19 168.28 130.72 0.00 0.00 0.00 0.00 01:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM lo 6.40 6.40 0.79 0.79 0.00 0.00 0.00 0.00 01:41:01 PM eth0 74.16 57.76 62.98 34.65 0.00 0.00 0.00 0.00 01:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 240.56 172.35 1578.99 62.41 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) 09/14/2026 _x86_64_ (4 CPU) 13:35:42 LINUX RESTART (4 CPU) 01:36:01 PM CPU %user %nice %system %iowait %steal %idle 01:37:01 PM all 26.00 0.00 2.94 1.21 0.02 69.83 01:37:01 PM 0 23.33 0.00 3.01 0.58 0.02 73.06 01:37:01 PM 1 33.65 0.00 2.76 1.09 0.03 62.48 01:37:01 PM 2 29.67 0.00 3.24 0.32 0.02 66.75 01:37:01 PM 3 17.30 0.00 2.75 2.87 0.02 77.07 01:38:01 PM all 51.11 0.00 2.60 1.22 0.03 45.05 01:38:01 PM 0 50.28 0.00 1.82 0.45 0.02 47.43 01:38:01 PM 1 52.67 0.00 3.21 1.14 0.03 42.95 01:38:01 PM 2 50.35 0.00 2.63 1.57 0.03 45.41 01:38:01 PM 3 51.14 0.00 2.74 1.70 0.03 44.39 01:39:01 PM all 65.48 0.00 1.71 0.25 0.03 32.52 01:39:01 PM 0 74.52 0.00 0.92 0.08 0.03 24.44 01:39:01 PM 1 53.77 0.00 2.25 0.33 0.02 43.63 01:39:01 PM 2 59.80 0.00 2.34 0.43 0.03 37.39 01:39:01 PM 3 73.84 0.00 1.34 0.17 0.02 24.65 01:40:00 PM all 17.65 0.00 1.63 0.02 0.02 80.68 01:40:00 PM 0 19.14 0.00 1.80 0.02 0.02 79.02 01:40:00 PM 1 15.44 0.00 2.02 0.02 0.02 82.51 01:40:00 PM 2 17.35 0.00 1.57 0.02 0.03 81.02 01:40:00 PM 3 18.65 0.00 1.15 0.02 0.02 80.17 01:40:01 PM all 8.15 0.00 1.53 0.00 0.00 90.32 01:40:01 PM 0 5.48 0.00 2.05 0.00 0.00 92.47 01:40:01 PM 1 10.14 0.00 0.68 0.00 0.00 89.19 01:40:01 PM 2 14.97 0.00 1.36 0.00 0.00 83.67 01:40:01 PM 3 2.03 0.00 2.03 0.00 0.00 95.95 01:41:01 PM all 51.80 0.00 1.39 0.04 0.03 46.74 01:41:01 PM 0 37.35 0.00 1.25 0.00 0.02 61.38 01:41:01 PM 1 54.79 0.00 0.52 0.02 0.03 44.64 01:41:01 PM 2 64.03 0.00 1.60 0.10 0.03 34.24 01:41:01 PM 3 51.02 0.00 2.17 0.05 0.03 46.72 Average: all 42.36 0.00 2.05 0.55 0.03 55.01 Average: 0 40.86 0.00 1.76 0.23 0.02 57.13 Average: 1 42.03 0.00 2.14 0.52 0.03 55.28 Average: 2 44.22 0.00 2.28 0.49 0.03 52.98 Average: 3 42.33 0.00 2.03 0.96 0.02 54.66