---> uname -a: Linux prd-centos8-docker-4c-4g-1826.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 9.7G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 767 12507 19 2488 14662 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:f8:7d:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.187/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86226sec preferred_lft 86226sec inet6 fe80::f816:3eff:fef8:7d5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:18:01:3c:67 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/15/2026 _x86_64_ (4 CPU) 09:42:41 LINUX RESTART (4 CPU) 09:43:02 AM tps rtps wtps bread/s bwrtn/s 09:44:01 AM 328.77 13.06 315.71 3441.55 9492.68 09:45:01 AM 220.16 17.06 203.10 2192.83 15063.39 Average: 274.01 15.08 258.93 2812.00 12301.20 09:43:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:44:01 AM 13088120 15063128 3053412 18.92 2688 2185008 1390368 8.09 154760 2527876 287384 09:45:01 AM 12853352 15049728 3288180 20.37 2688 2400188 1110200 6.46 407224 2473528 46260 Average: 12970736 15056428 3170796 19.64 2688 2292598 1250284 7.27 280992 2500702 166822 09:43:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:44:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:44:01 AM eth0 213.59 142.34 1990.97 40.34 0.00 0.00 0.00 0.00 09:44:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 AM eth0 213.91 192.50 2148.69 33.15 0.00 0.00 0.00 0.00 09:45:01 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 213.75 167.63 2070.49 36.72 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/15/2026 _x86_64_ (4 CPU) 09:42:41 LINUX RESTART (4 CPU) 09:43:02 AM CPU %user %nice %system %iowait %steal %idle 09:44:01 AM all 22.66 0.00 2.72 1.25 0.08 73.30 09:44:01 AM 0 17.72 0.00 1.98 0.46 0.07 79.77 09:44:01 AM 1 29.03 0.00 4.43 3.27 0.09 63.18 09:44:01 AM 2 25.54 0.00 2.69 0.90 0.09 70.78 09:44:01 AM 3 18.37 0.00 1.79 0.36 0.07 79.41 09:45:01 AM all 48.28 0.00 3.13 1.39 0.12 47.08 09:45:01 AM 0 44.82 0.00 3.07 1.32 0.12 50.67 09:45:01 AM 1 56.19 0.00 2.02 1.17 0.13 40.48 09:45:01 AM 2 46.87 0.00 5.01 1.88 0.12 46.13 09:45:01 AM 3 45.21 0.00 2.44 1.19 0.10 51.06 Average: all 35.57 0.00 2.93 1.32 0.10 60.08 Average: 0 31.36 0.00 2.53 0.89 0.09 65.13 Average: 1 42.75 0.00 3.22 2.21 0.11 51.72 Average: 2 36.29 0.00 3.86 1.39 0.10 58.36 Average: 3 31.91 0.00 2.12 0.78 0.08 65.12