---> uname -a: Linux prd-centos8-docker-4c-4g-3593.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1040 10811 20 3909 14370 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:4b:c6:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85892sec preferred_lft 85892sec inet6 fe80::f816:3eff:fe4b:c688/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:23:f2:7a:79 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::42:23ff:fef2:7a79/64 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) 10/20/2026 _x86_64_ (4 CPU) 07:01:54 LINUX RESTART (4 CPU) 07:03:02 AM tps rtps wtps bread/s bwrtn/s 07:04:01 AM 57.93 0.34 57.59 33.07 5370.74 07:05:01 AM 146.21 4.57 141.64 429.00 13050.51 07:06:01 AM 136.07 1.22 134.86 325.89 9164.98 07:07:01 AM 16.46 0.45 16.01 395.07 1513.88 07:08:01 AM 84.24 1.45 82.79 61.05 17686.84 07:09:01 AM 1147.15 64.83 1082.32 1012.20 32702.62 07:10:00 AM 95.02 54.35 40.67 1145.15 1563.08 07:10:01 AM 12.07 0.00 12.07 0.00 658.62 Average: 240.77 18.14 222.63 485.40 11592.71 07:03:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:04:01 AM 13387568 15129956 2751748 17.05 2688 1960308 1087028 6.32 139196 2260708 137804 07:05:01 AM 12674068 14705276 3465248 21.47 2688 2238164 1568428 9.13 158292 2905620 88520 07:06:01 AM 11627128 13822860 4512188 27.96 2688 2398620 2429960 14.14 203392 3887748 36 07:07:01 AM 11175804 13740548 4963512 30.75 2688 2757780 2751408 16.01 205020 4300652 333244 07:08:01 AM 11496236 14289260 4643080 28.77 2688 2984352 1795716 10.45 424668 3755488 59772 07:09:01 AM 10250164 13806812 5889152 36.49 2688 3549116 1960480 11.41 472260 4506660 6824 07:10:00 AM 11122644 14752000 5016672 31.08 2688 3617556 1166876 6.79 680416 3428808 30888 07:10:01 AM 11113652 14744356 5025664 31.14 2688 3618816 1182664 6.88 680804 3436924 32076 Average: 11605908 14373884 4533408 28.09 2688 2890589 1742820 10.14 370506 3560326 86146 07:03:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:01 AM eth0 55.81 35.50 811.25 5.70 0.00 0.00 0.00 0.00 07:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM eth0 136.04 108.28 1467.44 26.08 0.00 0.00 0.00 0.00 07:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 AM eth0 199.07 159.05 2336.11 22.09 0.00 0.00 0.00 0.00 07:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 AM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 07:07:01 AM eth0 111.61 60.51 2265.79 5.93 0.00 0.00 0.00 0.00 07:07:01 AM docker0 0.20 0.30 0.01 0.02 0.00 0.00 0.00 0.00 07:07:01 AM vethfa14f37 0.20 0.45 0.01 0.04 0.00 0.00 0.00 0.00 07:08:01 AM lo 7.01 7.01 5.16 5.16 0.00 0.00 0.00 0.00 07:08:01 AM eth0 75.09 63.31 588.26 1214.48 0.00 0.00 0.00 0.00 07:08:01 AM docker0 3.62 3.25 4.11 0.45 0.00 0.00 0.00 0.00 07:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 AM eth0 133.91 99.87 1199.26 15.94 0.00 0.00 0.00 0.00 07:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:00 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:00 AM eth0 18.17 15.51 44.95 40.06 0.00 0.00 0.00 0.00 07:10:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 AM eth0 51.72 44.83 145.83 4.96 0.00 0.00 0.00 0.00 07:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.74 0.74 0.00 0.00 0.00 0.00 Average: eth0 104.41 77.57 1245.92 190.44 0.00 0.00 0.00 0.00 Average: docker0 0.55 0.51 0.59 0.07 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) 10/20/2026 _x86_64_ (4 CPU) 07:01:54 LINUX RESTART (4 CPU) 07:03:02 AM CPU %user %nice %system %iowait %steal %idle 07:04:01 AM all 8.67 0.00 0.93 0.42 0.00 89.97 07:04:01 AM 0 4.70 0.00 0.61 0.29 0.02 94.39 07:04:01 AM 1 15.10 0.00 1.22 0.37 0.00 83.30 07:04:01 AM 2 8.16 0.00 1.21 0.48 0.00 90.16 07:04:01 AM 3 6.72 0.00 0.68 0.56 0.00 92.04 07:05:01 AM all 16.98 0.00 1.63 1.74 0.02 79.64 07:05:01 AM 0 15.57 0.00 0.98 0.38 0.02 83.04 07:05:01 AM 1 21.51 0.00 2.19 2.61 0.03 73.66 07:05:01 AM 2 12.57 0.00 1.12 1.94 0.02 84.36 07:05:01 AM 3 18.25 0.00 2.22 2.02 0.02 77.49 07:06:01 AM all 20.72 0.00 1.14 0.89 0.01 77.23 07:06:01 AM 0 24.74 0.00 0.98 0.28 0.03 73.96 07:06:01 AM 1 17.61 0.00 0.99 1.59 0.00 79.81 07:06:01 AM 2 23.17 0.00 1.37 0.85 0.00 74.61 07:06:01 AM 3 17.34 0.00 1.24 0.85 0.02 80.55 07:07:01 AM all 3.41 0.00 1.12 0.13 0.00 95.33 07:07:01 AM 0 3.67 0.00 1.07 0.05 0.00 95.21 07:07:01 AM 1 3.21 0.00 1.26 0.08 0.00 95.45 07:07:01 AM 2 3.49 0.00 1.04 0.35 0.02 95.10 07:07:01 AM 3 3.28 0.00 1.12 0.03 0.00 95.56 07:08:01 AM all 27.00 0.10 1.91 1.15 0.01 69.82 07:08:01 AM 0 28.72 0.05 1.71 0.37 0.02 69.14 07:08:01 AM 1 27.39 0.10 1.54 1.62 0.02 69.33 07:08:01 AM 2 22.18 0.07 1.64 1.21 0.02 74.89 07:08:01 AM 3 29.72 0.18 2.76 1.41 0.00 65.93 07:09:01 AM all 20.46 0.00 10.87 10.70 0.02 57.94 07:09:01 AM 0 13.27 0.00 9.70 9.39 0.02 67.63 07:09:01 AM 1 17.92 0.00 11.23 10.83 0.02 60.00 07:09:01 AM 2 18.70 0.00 9.82 12.30 0.02 59.17 07:09:01 AM 3 31.95 0.00 12.75 10.28 0.03 44.99 07:10:00 AM all 43.43 0.00 1.95 0.82 0.02 53.77 07:10:00 AM 0 28.48 0.00 1.35 0.35 0.00 69.82 07:10:00 AM 1 32.92 0.00 1.88 0.71 0.02 64.48 07:10:00 AM 2 79.84 0.00 2.70 1.08 0.05 16.32 07:10:00 AM 3 32.49 0.00 1.88 1.13 0.02 64.48 07:10:01 AM all 13.30 0.00 1.29 0.00 0.00 85.41 07:10:01 AM 0 45.61 0.00 1.75 0.00 0.00 52.63 07:10:01 AM 1 0.00 0.00 0.00 0.00 0.00 100.00 07:10:01 AM 2 8.33 0.00 3.33 0.00 0.00 88.33 07:10:01 AM 3 0.00 0.00 0.00 0.00 0.00 100.00 Average: all 20.08 0.01 2.78 2.25 0.01 74.87 Average: 0 17.08 0.01 2.33 1.57 0.01 79.00 Average: 1 19.35 0.01 2.88 2.53 0.01 75.22 Average: 2 23.97 0.01 2.69 2.58 0.02 70.74 Average: 3 19.92 0.03 3.22 2.31 0.01 74.51