---> uname -a: Linux prd-centos8-docker-4c-4g-3599.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: 2800.012 BogoMIPS: 5600.02 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 1055 10831 20 3873 14354 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:bc:8b:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.161/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85909sec preferred_lft 85909sec inet6 fe80::f816:3eff:febc:8be7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:04:b5:1b 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::42:45ff:fe04:b51b/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) 07:09:30 LINUX RESTART (4 CPU) 07:10:00 AM tps rtps wtps bread/s bwrtn/s 07:10:01 AM 1000.00 542.96 457.04 51911.11 18842.96 07:11:01 AM 248.03 80.14 167.88 9465.40 39571.81 07:12:01 AM 105.90 0.58 105.31 143.82 9870.53 07:13:01 AM 179.92 5.67 174.25 642.43 10480.59 07:14:01 AM 40.02 0.47 39.55 397.47 5304.83 07:15:01 AM 68.10 0.68 67.42 41.97 12163.24 07:16:01 AM 1055.36 0.47 1054.90 53.85 32143.92 07:17:01 AM 237.95 115.73 122.22 2031.12 6164.60 Average: 278.78 30.75 248.02 1985.69 16536.15 07:10:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:01 AM 15182564 15381456 956752 5.93 2688 432992 875884 5.43 80548 587468 19772 07:11:01 AM 13514844 15085624 2624472 16.26 2688 1798104 1182232 6.88 138840 2170248 41812 07:12:01 AM 13184760 15118520 2954556 18.31 2688 2142840 1080552 6.29 141024 2430168 173072 07:13:01 AM 11669636 13855892 4469680 27.69 2688 2389008 2294168 13.35 206852 3843524 131632 07:14:01 AM 11593132 13805704 4546184 28.17 2688 2414384 2640196 15.36 208484 3911916 28 07:15:01 AM 10972944 13532396 5166372 32.01 2688 2751292 2822556 16.42 302232 4397056 1256 07:16:01 AM 10329748 13806864 5809568 36.00 2688 3475532 1847628 10.75 340636 4564264 110456 07:17:01 AM 10056584 13629004 6082732 37.69 2688 3561708 2058176 11.97 408840 4748300 16976 Average: 12063026 14276932 4076290 25.26 2688 2370732 1850174 10.76 228432 3331618 61876 07:10:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 13.33 9.63 3.44 2.35 0.00 0.00 0.00 0.00 07:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:11:01 AM eth0 314.81 179.29 982.60 65.26 0.00 0.00 0.00 0.00 07:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 AM eth0 72.49 48.93 1144.76 7.71 0.00 0.00 0.00 0.00 07:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 AM eth0 270.85 237.78 3166.54 38.79 0.00 0.00 0.00 0.00 07:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 AM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 07:14:01 AM eth0 10.40 7.60 98.98 1.87 0.00 0.00 0.00 0.00 07:14:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 07:14:01 AM veth5e63001 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 07:15:01 AM lo 6.36 6.36 5.13 5.13 0.00 0.00 0.00 0.00 07:15:01 AM eth0 182.26 89.82 2180.01 15.06 0.00 0.00 0.00 0.00 07:15:01 AM docker0 3.46 3.13 4.10 0.44 0.00 0.00 0.00 0.00 07:15:01 AM veth5e63001 0.17 0.20 0.01 0.01 0.00 0.00 0.00 0.00 07:16:01 AM lo 1.23 1.23 0.17 0.17 0.00 0.00 0.00 0.00 07:16:01 AM eth0 166.96 128.41 1731.54 20.66 0.00 0.00 0.00 0.00 07:16:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 AM eth0 6.16 4.50 58.99 2.00 0.00 0.00 0.00 0.00 07:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.76 0.76 0.00 0.00 0.00 0.00 Average: eth0 145.85 99.18 1333.32 21.56 0.00 0.00 0.00 0.00 Average: docker0 0.52 0.49 0.58 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) 07:09:30 LINUX RESTART (4 CPU) 07:10:00 AM CPU %user %nice %system %iowait %steal %idle 07:10:01 AM all 91.48 0.00 4.44 3.70 0.19 0.19 07:10:01 AM 0 91.79 0.00 2.99 5.22 0.00 0.00 07:10:01 AM 1 82.96 0.00 6.67 9.63 0.00 0.74 07:10:01 AM 2 95.56 0.00 4.44 0.00 0.00 0.00 07:10:01 AM 3 95.59 0.00 3.68 0.00 0.74 0.00 07:11:01 AM all 13.64 0.00 2.83 2.16 0.02 81.36 07:11:01 AM 0 10.96 0.00 1.96 3.31 0.02 83.76 07:11:01 AM 1 14.97 0.00 2.98 1.54 0.03 80.48 07:11:01 AM 2 8.57 0.00 3.09 3.03 0.02 85.29 07:11:01 AM 3 20.03 0.00 3.30 0.75 0.00 75.92 07:12:01 AM all 12.69 0.00 1.25 0.61 0.01 85.45 07:12:01 AM 0 8.25 0.00 1.17 0.57 0.00 90.02 07:12:01 AM 1 19.78 0.00 1.92 0.47 0.00 77.84 07:12:01 AM 2 4.29 0.00 0.80 0.82 0.02 94.07 07:12:01 AM 3 18.45 0.00 1.10 0.58 0.02 79.85 07:13:01 AM all 31.30 0.00 1.89 1.02 0.01 65.78 07:13:01 AM 0 33.06 0.00 1.44 0.54 0.02 64.95 07:13:01 AM 1 27.66 0.00 2.19 1.34 0.02 68.80 07:13:01 AM 2 35.51 0.00 1.96 0.80 0.02 61.72 07:13:01 AM 3 28.96 0.00 1.96 1.42 0.00 67.66 07:14:01 AM all 1.15 0.00 0.34 0.27 0.00 98.23 07:14:01 AM 0 0.84 0.00 0.30 0.07 0.00 98.80 07:14:01 AM 1 1.60 0.00 0.35 0.60 0.00 97.45 07:14:01 AM 2 0.97 0.00 0.42 0.28 0.00 98.33 07:14:01 AM 3 1.18 0.00 0.30 0.13 0.02 98.36 07:15:01 AM all 18.34 0.09 1.94 0.41 0.01 79.21 07:15:01 AM 0 18.89 0.03 1.74 0.59 0.02 78.73 07:15:01 AM 1 16.98 0.03 1.94 0.25 0.02 80.78 07:15:01 AM 2 18.87 0.17 1.98 0.60 0.02 78.37 07:15:01 AM 3 18.62 0.12 2.10 0.18 0.00 78.98 07:16:01 AM all 21.60 0.00 8.59 7.16 0.02 62.62 07:16:01 AM 0 31.87 0.00 10.10 7.37 0.02 50.64 07:16:01 AM 1 16.16 0.00 7.31 7.38 0.02 69.13 07:16:01 AM 2 16.39 0.00 8.44 6.32 0.02 68.84 07:16:01 AM 3 22.01 0.00 8.52 7.57 0.02 61.88 07:17:01 AM all 37.32 0.00 1.82 1.85 0.02 58.99 07:17:01 AM 0 34.06 0.00 1.77 1.57 0.02 62.59 07:17:01 AM 1 26.78 0.00 1.59 1.39 0.00 70.24 07:17:01 AM 2 62.73 0.00 2.38 3.32 0.03 31.55 07:17:01 AM 3 25.76 0.00 1.55 1.14 0.02 71.53 Average: all 19.66 0.01 2.66 1.92 0.01 75.73 Average: 0 19.90 0.00 2.63 2.00 0.01 75.45 Average: 1 17.91 0.00 2.62 1.87 0.01 77.59 Average: 2 21.29 0.02 2.72 2.15 0.02 73.80 Average: 3 19.52 0.02 2.68 1.67 0.01 76.10