---> uname -a: Linux prd-centos8-docker-4c-4g-1317.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: 2800.000 BogoMIPS: 5600.00 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 779 12182 20 2799 14641 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:f9:f0:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.148/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86042sec preferred_lft 86042sec inet6 fe80::f816:3eff:fef9:f0d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:c1:85:57 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) 10:36:44 LINUX RESTART (4 CPU) 10:37:02 AM tps rtps wtps bread/s bwrtn/s 10:38:01 AM 206.32 23.59 182.73 6247.92 9084.95 10:39:01 AM 219.54 20.49 199.05 4046.52 17619.44 10:40:01 AM 80.64 1.38 79.26 86.10 8584.66 10:41:01 AM 4.43 0.00 4.43 0.00 274.47 10:42:01 AM 6.29 2.80 3.50 164.93 307.74 Average: 103.09 9.60 93.48 2094.92 7166.72 10:37:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:38:01 AM 13239336 15049400 2899980 17.97 2688 2024840 1145292 6.66 147080 2390232 173004 10:39:01 AM 11785424 14059384 4353892 26.98 2688 2476352 2547720 14.82 231392 3698724 41088 10:40:01 AM 9917860 12393912 6221456 38.55 2688 2675116 3717336 21.63 263488 5518860 3160 10:41:01 AM 9641452 12122068 6497864 40.26 2688 2679552 3717336 21.63 265068 5793012 3272 10:42:01 AM 10597744 13101996 5541572 34.34 2688 2702104 3002240 17.47 280268 4821188 13512 Average: 11036363 13345352 5102953 31.62 2688 2511593 2825985 16.44 237459 4444403 46807 10:37:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:38:01 AM eth0 374.16 224.91 2006.47 79.14 0.00 0.00 0.00 0.00 10:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:01 AM eth0 294.32 237.14 2896.64 35.86 0.00 0.00 0.00 0.00 10:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 AM eth0 283.47 194.19 2997.51 67.96 0.00 0.00 0.00 0.00 10:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:41:01 AM eth0 350.28 223.28 155.42 130.91 0.00 0.00 0.00 0.00 10:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:42:01 AM lo 6.46 6.46 0.79 0.79 0.00 0.00 0.00 0.00 10:42:01 AM eth0 28.53 26.96 11.80 15.02 0.00 0.00 0.00 0.00 10:42:01 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 265.77 181.14 1612.00 65.73 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) 10:36:44 LINUX RESTART (4 CPU) 10:37:02 AM CPU %user %nice %system %iowait %steal %idle 10:38:01 AM all 27.58 0.00 3.13 1.05 0.05 68.19 10:38:01 AM 0 19.55 0.00 2.06 0.56 0.05 77.78 10:38:01 AM 1 33.08 0.00 3.83 1.94 0.05 61.09 10:38:01 AM 2 22.91 0.00 2.77 0.34 0.05 73.92 10:38:01 AM 3 34.78 0.00 3.87 1.36 0.05 59.94 10:39:01 AM all 45.52 0.00 2.66 1.24 0.05 50.54 10:39:01 AM 0 40.83 0.00 2.77 1.19 0.05 55.17 10:39:01 AM 1 45.99 0.00 4.01 1.65 0.07 48.28 10:39:01 AM 2 50.43 0.00 2.04 1.40 0.03 46.09 10:39:01 AM 3 44.83 0.00 1.81 0.70 0.05 52.62 10:40:01 AM all 59.79 0.00 1.94 0.35 0.05 37.87 10:40:01 AM 0 64.30 0.00 1.79 0.15 0.05 33.72 10:40:01 AM 1 42.43 0.00 2.45 0.35 0.03 54.73 10:40:01 AM 2 69.97 0.00 1.90 0.27 0.05 27.81 10:40:01 AM 3 62.49 0.00 1.60 0.65 0.05 35.20 10:41:01 AM all 15.89 0.00 1.49 0.02 0.02 82.58 10:41:01 AM 0 12.39 0.00 1.66 0.05 0.03 85.87 10:41:01 AM 1 11.66 0.00 1.77 0.00 0.02 86.55 10:41:01 AM 2 20.07 0.00 1.14 0.00 0.02 78.77 10:41:01 AM 3 19.44 0.00 1.39 0.02 0.02 79.14 10:42:01 AM all 49.34 0.00 1.30 0.04 0.06 49.26 10:42:01 AM 0 42.20 0.00 1.34 0.07 0.03 56.36 10:42:01 AM 1 71.77 0.00 1.57 0.07 0.08 26.51 10:42:01 AM 2 38.44 0.00 0.97 0.02 0.05 60.53 10:42:01 AM 3 44.94 0.00 1.33 0.00 0.07 53.65 Average: all 39.68 0.00 2.10 0.54 0.05 57.64 Average: 0 35.93 0.00 1.92 0.40 0.04 61.71 Average: 1 41.03 0.00 2.72 0.80 0.05 55.40 Average: 2 40.43 0.00 1.76 0.41 0.04 57.37 Average: 3 41.32 0.00 1.99 0.54 0.05 56.09