---> uname -a: Linux prd-centos8-docker-4c-4g-5024.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 766 12091 20 2903 14655 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:d2:d6:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.105/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86046sec preferred_lft 86046sec inet6 fe80::f816:3eff:fed2:d651/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ff:66:b1:5c 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) 11/02/2026 _x86_64_ (4 CPU) 11:31:12 LINUX RESTART (4 CPU) 11:32:01 AM tps rtps wtps bread/s bwrtn/s 11:33:01 AM 143.62 11.13 132.49 1455.38 4256.65 11:34:01 AM 90.35 0.00 90.35 0.00 8342.14 11:35:01 AM 173.40 14.93 158.47 3116.68 9667.11 11:36:01 AM 104.43 6.26 98.17 1080.57 9414.38 11:37:01 AM 42.66 1.65 41.01 123.05 9506.22 Average: 110.89 6.80 104.10 1155.14 8237.20 11:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:33:01 AM 13541780 15109884 2597536 16.09 2688 1795780 1163384 6.77 137324 2144140 11320 11:34:01 AM 13218796 15054124 2920520 18.10 2688 2049988 1176088 6.84 148136 2404292 91864 11:35:01 AM 12539920 14827968 3599396 22.30 2688 2491496 1351536 7.86 191732 2991692 207336 11:36:01 AM 11118264 13492868 5021052 31.11 2688 2575480 2839976 16.52 255332 4333964 1384 11:37:01 AM 12429908 15056032 3709408 22.98 2688 2824784 1093404 6.36 540596 2740680 6416 Average: 12569734 14708175 3569582 22.12 2688 2347506 1524878 8.87 254624 2922954 63664 11:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM eth0 172.18 94.27 578.30 43.37 0.00 0.00 0.00 0.00 11:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 AM eth0 60.99 37.59 1089.40 5.42 0.00 0.00 0.00 0.00 11:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 AM eth0 307.52 243.56 3837.54 39.57 0.00 0.00 0.00 0.00 11:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 AM lo 28.71 28.71 7.37 7.37 0.00 0.00 0.00 0.00 11:36:01 AM eth0 155.80 122.89 779.14 71.33 0.00 0.00 0.00 0.00 11:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 AM lo 2.98 2.98 0.91 0.91 0.00 0.00 0.00 0.00 11:37:01 AM eth0 72.50 63.21 274.10 928.50 0.00 0.00 0.00 0.00 11:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.34 6.34 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 153.80 112.30 1311.65 217.63 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) 11/02/2026 _x86_64_ (4 CPU) 11:31:12 LINUX RESTART (4 CPU) 11:32:01 AM CPU %user %nice %system %iowait %steal %idle 11:33:01 AM all 10.66 0.00 1.38 1.71 0.02 86.23 11:33:01 AM 0 4.51 0.00 1.82 2.49 0.02 91.16 11:33:01 AM 1 21.14 0.00 1.34 1.69 0.02 75.82 11:33:01 AM 2 9.02 0.00 1.10 2.24 0.02 87.62 11:33:01 AM 3 7.97 0.00 1.27 0.42 0.02 90.33 11:34:01 AM all 9.72 0.00 0.96 1.73 0.01 87.58 11:34:01 AM 0 1.68 0.00 0.43 2.25 0.02 95.61 11:34:01 AM 1 14.20 0.00 1.45 2.27 0.02 82.05 11:34:01 AM 2 10.18 0.00 0.75 1.62 0.00 87.45 11:34:01 AM 3 12.83 0.00 1.19 0.78 0.02 85.19 11:35:01 AM all 19.52 0.00 2.13 1.07 0.01 77.28 11:35:01 AM 0 21.29 0.00 1.94 0.77 0.00 76.00 11:35:01 AM 1 16.32 0.00 1.45 0.64 0.02 81.57 11:35:01 AM 2 17.36 0.00 2.51 1.92 0.02 78.19 11:35:01 AM 3 23.10 0.00 2.61 0.94 0.02 73.34 11:36:01 AM all 46.95 0.00 1.75 0.56 0.03 50.71 11:36:01 AM 0 55.03 0.00 1.60 0.50 0.05 42.82 11:36:01 AM 1 36.61 0.00 1.81 0.90 0.02 60.66 11:36:01 AM 2 43.33 0.00 1.99 0.47 0.02 54.20 11:36:01 AM 3 52.79 0.00 1.62 0.37 0.02 45.20 11:37:01 AM all 19.11 0.00 1.75 0.35 0.02 78.77 11:37:01 AM 0 19.62 0.00 1.45 0.18 0.02 78.73 11:37:01 AM 1 14.51 0.00 2.12 0.53 0.02 82.82 11:37:01 AM 2 21.81 0.00 1.67 0.32 0.02 76.19 11:37:01 AM 3 20.49 0.00 1.76 0.38 0.02 77.35 Average: all 21.19 0.00 1.59 1.08 0.02 76.12 Average: 0 20.43 0.00 1.45 1.24 0.02 76.87 Average: 1 20.55 0.00 1.63 1.21 0.02 76.59 Average: 2 20.34 0.00 1.60 1.31 0.01 76.73 Average: 3 23.43 0.00 1.69 0.58 0.02 74.28