---> uname -a: Linux prd-centos8-docker-4c-4g-32.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: 2799.998 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 751 12426 19 2582 14673 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:98:98:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.60/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86208sec preferred_lft 86208sec inet6 fe80::f816:3eff:fe98:9852/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:d7:b5:3c 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) 07/22/2026 _x86_64_ (4 CPU) 08:12:47 LINUX RESTART (4 CPU) 08:13:01 AM tps rtps wtps bread/s bwrtn/s 08:14:01 AM 272.03 66.54 205.48 9967.89 42757.90 08:15:01 AM 207.33 20.14 187.19 4021.33 15994.77 08:16:02 AM 78.09 3.17 74.92 240.49 6089.17 Average: 185.82 29.95 155.87 4743.49 21614.81 08:13:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 AM 13360488 15114752 2778832 17.22 2688 1969572 1111328 6.47 146148 2276184 154112 08:15:01 AM 12050400 14293756 4088920 25.34 2688 2446284 1824108 10.61 209068 3464128 101792 08:16:02 AM 12736932 15038152 3402388 21.08 2688 2501388 1133728 6.60 424956 2561208 24296 Average: 12715940 14815553 3423380 21.21 2688 2305748 1356388 7.89 260057 2767173 93400 08:13:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 AM eth0 348.07 213.35 1799.83 70.44 0.00 0.00 0.00 0.00 08:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 AM eth0 232.36 197.70 2632.63 31.76 0.00 0.00 0.00 0.00 08:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:02 AM eth0 85.45 72.74 550.63 16.43 0.00 0.00 0.00 0.00 08:16:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 221.97 161.27 1661.09 39.55 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) 07/22/2026 _x86_64_ (4 CPU) 08:12:47 LINUX RESTART (4 CPU) 08:13:01 AM CPU %user %nice %system %iowait %steal %idle 08:14:01 AM all 24.83 0.00 3.71 6.27 0.09 65.10 08:14:01 AM 0 19.01 0.00 2.83 9.08 0.08 69.00 08:14:01 AM 1 24.19 0.00 3.27 1.93 0.08 70.54 08:14:01 AM 2 26.06 0.00 5.54 11.81 0.08 56.50 08:14:01 AM 3 30.07 0.00 3.21 2.26 0.10 64.36 08:15:01 AM all 32.74 0.00 2.11 1.89 0.09 63.16 08:15:01 AM 0 22.43 0.00 1.62 0.75 0.08 75.12 08:15:01 AM 1 36.49 0.00 2.06 2.34 0.08 59.02 08:15:01 AM 2 26.20 0.00 1.52 2.26 0.10 69.92 08:15:01 AM 3 45.84 0.00 3.24 2.21 0.10 48.60 08:16:02 AM all 34.02 0.00 1.83 0.65 0.08 63.42 08:16:02 AM 0 25.06 0.00 1.25 0.40 0.07 73.22 08:16:02 AM 1 35.96 0.00 2.17 0.50 0.10 61.26 08:16:02 AM 2 31.03 0.00 1.42 0.87 0.05 66.63 08:16:02 AM 3 44.05 0.00 2.49 0.82 0.10 52.55 Average: all 30.54 0.00 2.55 2.93 0.09 63.89 Average: 0 22.17 0.00 1.90 3.41 0.08 72.45 Average: 1 32.22 0.00 2.50 1.59 0.09 63.60 Average: 2 27.77 0.00 2.82 4.97 0.08 64.36 Average: 3 39.99 0.00 2.98 1.76 0.10 55.17