---> uname -a: Linux prd-centos8-docker-4c-4g-4386.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: 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 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 1040 10887 19 3834 14373 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:8b:62:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fe8b:62c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a7:f3:fb:9d 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:a7ff:fef3:fb9d/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) 03/24/2026 _x86_64_ (4 CPU) 06:40:33 LINUX RESTART (4 CPU) 06:41:01 AM tps rtps wtps bread/s bwrtn/s 06:42:01 AM 199.93 6.06 193.87 916.36 5955.20 06:43:01 AM 214.79 5.78 209.01 753.22 13460.24 06:44:01 AM 175.49 2.23 173.26 497.30 29093.20 06:45:01 AM 1135.64 95.12 1040.53 1697.98 27306.18 06:46:01 AM 90.20 23.88 66.33 475.84 3421.04 Average: 363.18 26.61 336.57 868.11 15846.71 06:41:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:42:01 AM 13335672 15088760 2805860 17.38 2688 1968540 1096604 6.38 138392 2314048 159216 06:43:01 AM 12341908 14454888 3799624 23.54 2688 2318304 1607172 9.35 183176 3212392 148204 06:44:01 AM 11159676 14132544 4981856 30.86 2688 3123668 1831292 10.65 366248 4069544 159568 06:45:01 AM 9775252 13280256 6366280 39.44 2688 3500160 1912888 11.13 415664 5044560 6736 06:46:01 AM 11128828 14694024 5012704 31.05 2688 3554300 1188664 6.91 628984 3485716 23032 Average: 11548267 14330094 4593265 28.46 2688 2892994 1527324 8.88 346493 3625252 99351 06:41:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:42:01 AM eth0 128.42 85.02 1095.38 31.92 0.00 0.00 0.00 0.00 06:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 AM eth0 342.38 259.75 3674.78 41.86 0.00 0.00 0.00 0.00 06:43:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:44:01 AM lo 6.13 6.13 4.51 4.51 0.00 0.00 0.00 0.00 06:44:01 AM eth0 293.75 219.98 3460.92 31.74 0.00 0.00 0.00 0.00 06:44:01 AM docker0 3.23 3.08 4.09 0.45 0.00 0.00 0.00 0.00 06:45:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 AM eth0 79.00 50.92 765.56 8.25 0.00 0.00 0.00 0.00 06:45:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:01 AM eth0 32.71 27.47 61.05 10.87 0.00 0.00 0.00 0.00 06:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 175.26 128.64 1811.64 24.93 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.62 0.82 0.09 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) 03/24/2026 _x86_64_ (4 CPU) 06:40:33 LINUX RESTART (4 CPU) 06:41:01 AM CPU %user %nice %system %iowait %steal %idle 06:42:01 AM all 15.85 0.00 1.86 2.97 0.09 79.23 06:42:01 AM 0 8.30 0.00 1.81 4.75 0.10 85.04 06:42:01 AM 1 28.49 0.00 2.37 4.51 0.10 64.52 06:42:01 AM 2 10.99 0.00 1.35 0.69 0.08 86.89 06:42:01 AM 3 15.60 0.00 1.91 1.92 0.08 80.49 06:43:01 AM all 25.12 0.00 2.14 2.10 0.10 70.53 06:43:01 AM 0 23.74 0.00 2.66 4.14 0.10 69.36 06:43:01 AM 1 28.68 0.00 1.57 1.25 0.10 68.39 06:43:01 AM 2 23.39 0.00 1.81 1.14 0.08 73.58 06:43:01 AM 3 24.67 0.00 2.53 1.89 0.12 70.80 06:44:01 AM all 41.86 0.10 5.39 1.51 0.11 51.03 06:44:01 AM 0 35.26 0.07 4.97 1.23 0.10 58.37 06:44:01 AM 1 46.11 0.08 5.40 1.74 0.12 46.55 06:44:01 AM 2 41.94 0.20 5.75 1.80 0.12 50.19 06:44:01 AM 3 44.13 0.05 5.46 1.26 0.10 49.00 06:45:01 AM all 29.82 0.00 7.89 8.02 0.12 54.15 06:45:01 AM 0 17.02 0.00 7.06 7.86 0.10 67.96 06:45:01 AM 1 25.60 0.00 6.54 5.46 0.14 62.26 06:45:01 AM 2 55.32 0.00 9.48 10.55 0.12 24.54 06:45:01 AM 3 21.37 0.00 8.48 8.21 0.14 61.80 06:46:01 AM all 33.66 0.00 2.26 1.06 0.08 62.94 06:46:01 AM 0 30.81 0.00 2.22 1.39 0.10 65.48 06:46:01 AM 1 44.34 0.00 2.51 0.90 0.08 52.17 06:46:01 AM 2 27.67 0.00 2.19 0.65 0.08 69.41 06:46:01 AM 3 31.81 0.00 2.12 1.30 0.07 64.69 Average: all 29.24 0.02 3.90 3.12 0.10 63.62 Average: 0 23.03 0.01 3.73 3.87 0.10 69.26 Average: 1 34.65 0.02 3.67 2.77 0.11 58.79 Average: 2 31.78 0.04 4.10 2.95 0.10 61.04 Average: 3 27.51 0.01 4.09 2.91 0.10 65.38