---> uname -a: Linux prd-centos8-docker-4c-4g-5278.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 nrip_save 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 845 11105 19 3812 14568 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:e6:7f:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.230/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85837sec preferred_lft 85837sec inet6 fe80::f816:3eff:fee6:7f7f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f7:31:b5:57 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 inet6 fe80::42:f7ff:fe31:b557/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/04/2026 _x86_64_ (4 CPU) 15:25:11 LINUX RESTART (4 CPU) 03:26:01 PM tps rtps wtps bread/s bwrtn/s 03:27:01 PM 275.46 18.86 256.61 3803.96 13276.68 03:28:01 PM 113.06 2.70 110.36 260.31 6642.44 03:29:01 PM 24.99 0.00 24.99 0.00 6515.66 03:30:01 PM 11.31 2.83 8.48 141.82 366.54 03:31:01 PM 83.84 0.63 83.21 415.99 16238.27 03:32:01 PM 164.46 3.63 160.83 4740.55 16393.77 03:33:01 PM 48.13 2.12 46.02 871.71 8261.18 03:34:01 PM 1.72 0.07 1.65 9.73 18.25 Average: 90.38 3.85 86.52 1280.59 8464.37 03:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:27:01 PM 12630088 14738656 3511444 21.75 2688 2311940 1368976 7.96 214712 2887952 123148 03:28:01 PM 11207300 13557360 4934232 30.57 2688 2549024 2881192 16.76 282088 4220724 184656 03:29:01 PM 10412420 12767088 5729112 35.49 2688 2553468 3320020 19.31 282376 5013076 932 03:30:01 PM 8590332 10958024 7551200 46.78 2688 2565804 4851396 28.22 292024 6816480 604 03:31:01 PM 7999968 10785956 8141564 50.44 2688 2974024 5219804 30.37 423392 7235128 116 03:32:01 PM 11664500 14943084 4477032 27.74 2688 3447296 1508280 8.77 482076 3485676 92 03:33:01 PM 11396848 14938568 4744684 29.39 2688 3707248 1308836 7.61 790020 3440376 4 03:34:01 PM 11400540 14943628 4740992 29.37 2688 3708812 1182708 6.88 961292 3266940 1364 Average: 10662750 13454046 5478782 33.94 2688 2977202 2705152 15.74 465998 4545794 38864 03:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 PM eth0 337.20 276.35 2404.48 59.53 0.00 0.00 0.00 0.00 03:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 PM eth0 231.57 184.09 3447.48 30.92 0.00 0.00 0.00 0.00 03:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 PM eth0 255.31 156.58 86.84 88.76 0.00 0.00 0.00 0.00 03:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 PM lo 2.55 2.55 0.35 0.35 0.00 0.00 0.00 0.00 03:30:01 PM eth0 141.90 89.35 41.42 41.67 0.00 0.00 0.00 0.00 03:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 PM lo 14.15 14.15 26.91 26.91 0.00 0.00 0.00 0.00 03:31:01 PM eth0 217.43 125.64 2834.51 10.52 0.00 0.00 0.00 0.00 03:31:01 PM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 03:31:01 PM vethe746de6 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 03:31:01 PM br-8155b3403c0f 5.73 5.58 25.61 0.93 0.00 0.00 0.00 0.00 03:32:01 PM lo 0.45 0.45 0.02 0.02 0.00 0.00 0.00 0.00 03:32:01 PM eth0 148.38 91.55 1767.67 16.67 0.00 0.00 0.00 0.00 03:32:01 PM docker0 0.05 0.10 0.00 0.01 0.00 0.00 0.00 0.00 03:32:01 PM veth48a41c0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 PM eth0 31.54 27.59 609.15 2.35 0.00 0.00 0.00 0.00 03:33:01 PM docker0 26.86 30.62 1.63 608.95 0.00 0.00 0.00 0.00 03:33:01 PM veth2a1510e 0.35 0.37 0.05 0.03 0.00 0.00 0.00 0.00 03:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 PM eth0 5.28 4.15 3.91 6.05 0.00 0.00 0.00 0.00 03:34:01 PM docker0 0.03 0.02 0.01 0.00 0.00 0.00 0.00 0.00 Average: lo 2.14 2.14 3.41 3.41 0.00 0.00 0.00 0.00 Average: eth0 171.08 119.42 1399.48 32.06 0.00 0.00 0.00 0.00 Average: docker0 3.39 3.88 0.21 76.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/04/2026 _x86_64_ (4 CPU) 15:25:11 LINUX RESTART (4 CPU) 03:26:01 PM CPU %user %nice %system %iowait %steal %idle 03:27:01 PM all 34.17 0.00 2.90 1.38 0.10 61.44 03:27:01 PM 0 24.37 0.00 1.63 0.35 0.10 73.55 03:27:01 PM 1 29.23 0.00 2.11 1.09 0.10 67.47 03:27:01 PM 2 52.58 0.00 4.98 1.84 0.12 40.48 03:27:01 PM 3 30.52 0.00 2.88 2.24 0.10 64.25 03:28:01 PM all 61.21 0.00 1.74 0.77 0.11 36.17 03:28:01 PM 0 59.12 0.00 1.96 1.27 0.12 37.54 03:28:01 PM 1 57.70 0.00 2.37 1.10 0.12 38.70 03:28:01 PM 2 61.53 0.00 1.45 0.20 0.10 36.71 03:28:01 PM 3 66.48 0.00 1.19 0.50 0.10 31.73 03:29:01 PM all 25.02 0.00 1.36 0.15 0.10 73.37 03:29:01 PM 0 26.06 0.00 1.32 0.00 0.10 72.52 03:29:01 PM 1 25.27 0.00 1.47 0.15 0.08 73.03 03:29:01 PM 2 24.45 0.00 1.37 0.28 0.10 73.80 03:29:01 PM 3 24.29 0.00 1.30 0.17 0.10 74.14 03:30:01 PM all 34.85 0.00 1.21 0.04 0.08 63.82 03:30:01 PM 0 64.24 0.00 2.15 0.12 0.10 33.39 03:30:01 PM 1 19.74 0.00 1.05 0.00 0.07 79.14 03:30:01 PM 2 23.15 0.00 0.89 0.00 0.08 75.88 03:30:01 PM 3 32.25 0.00 0.73 0.05 0.08 66.88 03:31:01 PM all 22.88 0.00 3.05 0.55 0.09 73.42 03:31:01 PM 0 18.68 0.00 3.13 0.47 0.08 77.64 03:31:01 PM 1 22.93 0.00 3.22 0.52 0.10 73.23 03:31:01 PM 2 26.06 0.00 2.90 0.81 0.08 70.15 03:31:01 PM 3 23.85 0.00 2.96 0.42 0.08 72.68 03:32:01 PM all 37.47 0.00 3.45 0.87 0.07 58.14 03:32:01 PM 0 36.04 0.00 2.98 1.16 0.08 59.73 03:32:01 PM 1 36.11 0.00 3.77 1.07 0.07 58.98 03:32:01 PM 2 32.16 0.00 3.35 0.40 0.07 64.02 03:32:01 PM 3 45.57 0.00 3.68 0.84 0.07 49.84 03:33:01 PM all 3.86 0.00 1.28 0.25 0.05 94.56 03:33:01 PM 0 1.30 0.00 0.95 0.02 0.05 97.68 03:33:01 PM 1 1.58 0.00 0.73 0.57 0.05 97.06 03:33:01 PM 2 11.04 0.00 2.35 0.12 0.05 86.44 03:33:01 PM 3 1.50 0.00 1.09 0.32 0.03 97.06 03:34:01 PM all 1.03 0.00 0.27 0.01 0.02 98.67 03:34:01 PM 0 0.27 0.00 0.13 0.00 0.02 99.58 03:34:01 PM 1 0.92 0.00 0.30 0.03 0.02 98.73 03:34:01 PM 2 1.72 0.00 0.43 0.00 0.02 97.83 03:34:01 PM 3 1.23 0.00 0.22 0.02 0.02 98.52 Average: all 27.55 0.00 1.91 0.50 0.08 69.96 Average: 0 28.76 0.00 1.78 0.42 0.08 68.96 Average: 1 24.17 0.00 1.88 0.57 0.08 73.32 Average: 2 29.08 0.00 2.21 0.46 0.08 68.17 Average: 3 28.21 0.00 1.75 0.57 0.07 69.39