---> uname -a: Linux prd-centos8-docker-4c-4g-6817.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 760 12175 19 2827 14667 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:4b:f1:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe4b:f144/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dc:a8:d5:ee 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) 04/28/2026 _x86_64_ (4 CPU) 13:23:09 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 218.78 14.95 203.83 3220.26 14021.31 01:26:01 PM 138.16 6.22 131.94 1056.09 12195.40 01:27:01 PM 27.15 2.93 24.21 108.25 521.90 Average: 128.03 8.03 120.00 1461.63 8913.15 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12811952 14848564 3329580 20.63 2688 2243604 1330908 7.74 189660 2738472 101872 01:26:01 PM 11458100 13758692 4683432 29.01 2688 2503860 2441288 14.20 255400 4010732 2392 01:27:01 PM 12527536 15078176 3613996 22.39 2688 2751744 1126920 6.56 352352 2847728 262092 Average: 12265863 14561811 3875669 24.01 2688 2499736 1633039 9.50 265804 3198977 122119 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 180.24 141.29 1925.97 31.62 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 12.48 12.48 3.50 3.50 0.00 0.00 0.00 0.00 01:26:01 PM eth0 397.93 230.16 3685.14 43.72 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 16.48 16.48 2.58 2.58 0.00 0.00 0.00 0.00 01:27:01 PM eth0 74.45 77.50 275.06 931.94 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.65 9.65 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 217.54 149.65 1962.05 335.74 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) 04/28/2026 _x86_64_ (4 CPU) 13:23:09 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 24.68 0.00 2.62 1.79 0.13 70.79 01:25:01 PM 0 20.57 0.00 2.32 1.52 0.12 75.47 01:25:01 PM 1 22.82 0.00 1.98 1.89 0.12 73.19 01:25:01 PM 2 26.33 0.00 2.65 1.76 0.12 69.14 01:25:01 PM 3 29.04 0.00 3.51 1.96 0.17 65.32 01:26:01 PM all 50.59 0.00 1.97 0.92 0.14 46.38 01:26:01 PM 0 55.59 0.00 2.24 1.46 0.13 40.57 01:26:01 PM 1 60.92 0.00 1.42 0.84 0.13 36.68 01:26:01 PM 2 35.88 0.00 2.68 1.07 0.15 60.22 01:26:01 PM 3 49.97 0.00 1.52 0.30 0.13 48.07 01:27:01 PM all 15.51 0.00 1.29 0.11 0.10 82.99 01:27:01 PM 0 14.20 0.00 1.22 0.10 0.08 84.40 01:27:01 PM 1 13.88 0.00 1.20 0.03 0.10 84.79 01:27:01 PM 2 22.52 0.00 1.59 0.13 0.10 75.66 01:27:01 PM 3 11.45 0.00 1.15 0.18 0.10 87.11 Average: all 30.25 0.00 1.96 0.94 0.12 66.73 Average: 0 30.10 0.00 1.93 1.03 0.11 66.84 Average: 1 32.54 0.00 1.53 0.92 0.12 64.89 Average: 2 28.24 0.00 2.31 0.99 0.12 68.34 Average: 3 30.14 0.00 2.06 0.82 0.13 66.85