---> uname -a: Linux prd-centos8-docker-4c-4g-936.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: 2799.996 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 819 11822 19 3121 14597 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:e9:e6:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.210/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85915sec preferred_lft 85915sec inet6 fe80::f816:3eff:fee9:e6fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:78:53:e8:82 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::42:78ff:fe53:e882/64 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) 03/31/2026 _x86_64_ (4 CPU) 12:46:16 LINUX RESTART (4 CPU) 12:47:02 PM tps rtps wtps bread/s bwrtn/s 12:48:01 PM 225.74 6.19 219.56 932.18 7133.77 12:49:01 PM 211.84 20.62 191.22 4147.26 14864.97 12:50:01 PM 75.78 1.32 74.47 84.88 8312.87 12:51:01 PM 4.40 0.00 4.40 0.00 256.16 12:52:01 PM 19.03 3.17 15.86 555.55 1130.37 12:53:01 PM 73.78 0.13 73.64 2.13 16552.43 12:54:01 PM 28.13 0.42 27.71 56.12 927.58 Average: 90.92 4.54 86.38 825.23 7025.42 12:47:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 PM 13204112 15049852 2937420 18.20 2688 2057012 1169988 6.81 154924 2414124 219832 12:49:01 PM 11401072 13586620 4740460 29.37 2688 2389832 2682212 15.60 231524 4097068 41736 12:50:01 PM 10253524 12633248 5888008 36.48 2688 2581092 3022808 17.58 263016 5200068 2764 12:51:01 PM 9750948 12134892 6390584 39.59 2688 2585124 3465360 20.16 263032 5703012 2388 12:52:01 PM 8467016 11237788 7674516 47.55 2688 2964348 4842164 28.17 334684 6879132 329324 12:53:01 PM 8407956 11231564 7733576 47.91 2688 3013996 4712792 27.42 405640 6851676 108 12:54:01 PM 12048280 14887272 4093252 25.36 2688 3028680 1251584 7.28 587252 3047784 25100 Average: 10504701 12965891 5636831 34.92 2688 2660012 3020987 17.57 320010 4884695 88750 12:47:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:48:01 PM eth0 139.11 94.24 1365.84 32.16 0.00 0.00 0.00 0.00 12:48:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:49:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:49:01 PM eth0 241.60 200.08 2658.80 33.11 0.00 0.00 0.00 0.00 12:49:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 PM eth0 233.11 160.99 2846.53 35.06 0.00 0.00 0.00 0.00 12:50:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:51:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:51:01 PM eth0 18.67 14.59 4.07 23.46 0.00 0.00 0.00 0.00 12:51:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:52:01 PM lo 3.65 3.65 0.49 0.49 0.00 0.00 0.00 0.00 12:52:01 PM eth0 175.37 110.65 2221.42 18.51 0.00 0.00 0.00 0.00 12:52:01 PM docker0 0.07 0.17 0.00 0.02 0.00 0.00 0.00 0.00 12:52:01 PM veth93ad82e 0.07 0.27 0.00 0.03 0.00 0.00 0.00 0.00 12:53:01 PM lo 12.75 12.75 26.65 26.65 0.00 0.00 0.00 0.00 12:53:01 PM eth0 50.43 24.89 610.32 5.06 0.00 0.00 0.00 0.00 12:53:01 PM docker0 0.10 0.10 0.00 0.01 0.00 0.00 0.00 0.00 12:53:01 PM veth93ad82e 0.10 0.17 0.01 0.01 0.00 0.00 0.00 0.00 12:53:01 PM br-e0e90e22dc70 6.08 5.65 25.63 0.94 0.00 0.00 0.00 0.00 12:54:01 PM lo 1.53 1.53 0.11 0.11 0.00 0.00 0.00 0.00 12:54:01 PM eth0 23.35 18.73 16.17 21.62 0.00 0.00 0.00 0.00 12:54:01 PM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.57 2.57 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 125.93 89.16 1389.18 24.12 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.05 0.00 0.00 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) 03/31/2026 _x86_64_ (4 CPU) 12:46:16 LINUX RESTART (4 CPU) 12:47:02 PM CPU %user %nice %system %iowait %steal %idle 12:48:01 PM all 20.01 0.00 2.12 1.33 0.59 75.95 12:48:01 PM 0 16.75 0.00 1.67 1.14 0.41 80.03 12:48:01 PM 1 27.82 0.00 3.52 2.62 0.44 65.59 12:48:01 PM 2 24.47 0.00 2.34 1.03 0.99 71.17 12:48:01 PM 3 10.98 0.00 0.97 0.53 0.51 87.02 12:49:01 PM all 45.96 0.00 3.09 1.53 0.14 49.28 12:49:01 PM 0 50.16 0.00 1.97 0.97 0.13 46.76 12:49:01 PM 1 48.33 0.00 3.98 1.96 0.17 45.57 12:49:01 PM 2 46.13 0.00 2.76 0.82 0.13 50.16 12:49:01 PM 3 39.22 0.00 3.65 2.36 0.12 54.65 12:50:01 PM all 53.97 0.00 1.71 0.85 0.16 43.30 12:50:01 PM 0 55.89 0.00 1.69 0.37 0.17 41.89 12:50:01 PM 1 46.35 0.00 1.91 2.56 0.17 49.01 12:50:01 PM 2 61.95 0.00 1.95 0.22 0.17 35.71 12:50:01 PM 3 51.75 0.00 1.30 0.27 0.15 46.53 12:51:01 PM all 15.86 0.00 0.41 0.08 0.10 83.55 12:51:01 PM 0 9.81 0.00 0.47 0.02 0.10 89.60 12:51:01 PM 1 22.57 0.00 0.45 0.00 0.08 76.89 12:51:01 PM 2 18.49 0.00 0.37 0.00 0.07 81.08 12:51:01 PM 3 12.55 0.00 0.35 0.32 0.13 86.64 12:52:01 PM all 43.36 0.00 1.88 0.10 0.14 54.52 12:52:01 PM 0 27.03 0.00 1.51 0.07 0.12 71.28 12:52:01 PM 1 61.47 0.00 2.06 0.10 0.17 36.20 12:52:01 PM 2 33.58 0.00 1.66 0.12 0.12 64.53 12:52:01 PM 3 51.34 0.00 2.31 0.10 0.17 46.08 12:53:01 PM all 16.75 0.00 2.66 6.71 0.15 73.74 12:53:01 PM 0 14.38 0.00 2.73 7.44 0.19 75.27 12:53:01 PM 1 17.35 0.00 2.34 7.72 0.13 72.45 12:53:01 PM 2 18.36 0.00 3.33 6.43 0.15 71.72 12:53:01 PM 3 16.89 0.00 2.23 5.24 0.13 75.50 12:54:01 PM all 25.18 0.00 1.32 0.68 0.08 72.75 12:54:01 PM 0 19.88 0.00 1.39 0.55 0.08 78.10 12:54:01 PM 1 22.93 0.00 1.49 0.33 0.07 75.18 12:54:01 PM 2 31.13 0.00 1.04 1.48 0.08 66.26 12:54:01 PM 3 26.80 0.00 1.35 0.35 0.08 71.41 Average: all 31.61 0.00 1.88 1.61 0.19 64.71 Average: 0 27.74 0.00 1.63 1.50 0.17 68.96 Average: 1 35.28 0.00 2.25 2.18 0.17 60.12 Average: 2 33.44 0.00 1.92 1.44 0.24 62.96 Average: 3 29.97 0.00 1.74 1.31 0.18 66.79