---> uname -a: Linux prd-centos8-docker-4c-4g-12154.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: 2799.974 BogoMIPS: 5599.94 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: 15761 823 11724 19 3212 14588 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:c1:b9:8c 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 85998sec preferred_lft 85998sec inet6 fe80::f816:3eff:fec1:b98c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:82:8e:14:25 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::42:82ff:fe8e:1425/64 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) 07/13/2026 _x86_64_ (4 CPU) 08:36:38 LINUX RESTART (4 CPU) 08:37:01 AM tps rtps wtps bread/s bwrtn/s 08:38:01 AM 213.43 6.16 207.26 941.42 7793.35 08:39:02 AM 252.72 21.86 230.87 4229.49 17514.01 08:40:01 AM 37.80 0.05 37.75 1.08 8131.09 08:41:01 AM 5.96 1.88 4.08 60.48 360.10 08:42:01 AM 82.12 1.67 80.46 510.10 15209.31 08:43:01 AM 24.95 0.45 24.50 57.06 3878.74 Average: 103.01 5.36 97.65 969.33 8816.01 08:37:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:38:01 AM 13123084 15059828 3016236 18.69 2688 2144488 1157636 6.74 146000 2489704 280984 08:39:02 AM 11228696 13694572 4910624 30.43 2688 2665700 2540604 14.78 242344 4239156 214976 08:40:01 AM 10082064 12560728 6057256 37.53 2688 2677472 3336012 19.41 263264 5358540 2120 08:41:01 AM 9318392 11806676 6820928 42.26 2688 2686248 4244288 24.69 266692 6114776 1420 08:42:01 AM 6068616 9107228 10070704 62.40 2688 3225520 14052300 81.76 374632 9170944 95684 08:43:01 AM 11999568 14929824 4139752 25.65 2688 3116948 1765536 10.27 582668 3083500 25088 Average: 10303403 12859809 5835917 36.16 2688 2752729 4516063 26.27 312600 5076103 103379 08:37:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 AM eth0 136.35 91.52 1541.35 27.73 0.00 0.00 0.00 0.00 08:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:39:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:39:02 AM eth0 393.72 301.37 5540.39 47.92 0.00 0.00 0.00 0.00 08:39:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 AM eth0 18.37 17.57 3.91 25.94 0.00 0.00 0.00 0.00 08:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 AM eth0 24.41 21.25 8.65 24.80 0.00 0.00 0.00 0.00 08:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 AM lo 14.53 14.53 27.07 27.07 0.00 0.00 0.00 0.00 08:42:01 AM eth0 117.33 83.61 2822.74 10.72 0.00 0.00 0.00 0.00 08:42:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 08:42:01 AM veth3f1220e 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:42:01 AM br-1f028a4f203c 5.55 5.43 25.59 0.91 0.00 0.00 0.00 0.00 08:42:01 AM vethca740b4 5.45 5.16 25.65 0.87 0.00 0.00 0.00 0.00 08:42:01 AM vetha6a2187 10.46 10.93 26.52 26.57 0.00 0.00 0.00 0.00 08:43:01 AM lo 2.47 2.47 0.19 0.19 0.00 0.00 0.00 0.00 08:43:01 AM eth0 17.08 13.91 12.33 8.59 0.00 0.00 0.00 0.00 08:43:01 AM docker0 0.15 0.17 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 2.84 2.84 4.56 4.56 0.00 0.00 0.00 0.00 Average: eth0 118.16 88.40 1659.51 24.28 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 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) 07/13/2026 _x86_64_ (4 CPU) 08:36:38 LINUX RESTART (4 CPU) 08:37:01 AM CPU %user %nice %system %iowait %steal %idle 08:38:01 AM all 20.92 0.00 2.17 0.99 0.09 75.83 08:38:01 AM 0 32.18 0.00 2.71 0.45 0.10 64.56 08:38:01 AM 1 21.23 0.00 2.89 2.42 0.10 73.36 08:38:01 AM 2 12.89 0.00 1.51 0.25 0.07 85.28 08:38:01 AM 3 17.35 0.00 1.57 0.85 0.08 80.14 08:39:02 AM all 51.94 0.00 3.55 1.12 0.13 43.27 08:39:02 AM 0 49.33 0.00 3.31 0.83 0.12 46.41 08:39:02 AM 1 61.26 0.00 3.37 0.57 0.12 34.68 08:39:02 AM 2 45.47 0.00 3.55 1.56 0.15 49.27 08:39:02 AM 3 51.67 0.00 3.96 1.50 0.12 42.74 08:40:01 AM all 43.54 0.00 0.78 0.20 0.10 55.38 08:40:01 AM 0 40.84 0.00 0.58 0.19 0.10 58.29 08:40:01 AM 1 45.43 0.00 1.31 0.39 0.10 52.78 08:40:01 AM 2 38.46 0.00 0.88 0.19 0.10 60.37 08:40:01 AM 3 49.43 0.00 0.36 0.02 0.10 50.09 08:41:01 AM all 24.50 0.00 0.61 0.03 0.07 74.79 08:41:01 AM 0 44.47 0.00 1.05 0.05 0.08 54.35 08:41:01 AM 1 17.07 0.00 0.50 0.03 0.07 82.33 08:41:01 AM 2 13.74 0.00 0.60 0.03 0.07 85.56 08:41:01 AM 3 22.71 0.00 0.30 0.00 0.07 76.93 08:42:01 AM all 39.02 0.00 3.16 0.53 0.10 57.19 08:42:01 AM 0 34.75 0.00 2.91 0.35 0.12 61.87 08:42:01 AM 1 35.71 0.00 2.40 0.42 0.10 61.37 08:42:01 AM 2 52.48 0.00 4.69 0.34 0.10 42.40 08:42:01 AM 3 33.13 0.00 2.65 1.02 0.08 63.11 08:43:01 AM all 21.96 0.00 1.43 0.13 0.07 76.41 08:43:01 AM 0 19.31 0.00 1.10 0.03 0.07 79.49 08:43:01 AM 1 28.56 0.00 2.19 0.30 0.08 68.87 08:43:01 AM 2 14.50 0.00 1.19 0.15 0.07 84.10 08:43:01 AM 3 25.47 0.00 1.24 0.05 0.07 73.18 Average: all 33.61 0.00 1.95 0.50 0.09 63.84 Average: 0 36.80 0.00 1.94 0.32 0.10 60.84 Average: 1 34.84 0.00 2.11 0.69 0.09 62.26 Average: 2 29.55 0.00 2.07 0.42 0.09 67.87 Average: 3 33.25 0.00 1.68 0.58 0.09 64.41