---> uname -a: Linux prd-centos8-docker-4c-4g-4055.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 832 12172 19 2757 14595 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:8e:2d:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.13/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fe8e:2d59/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fc:23:f2:c7 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) 03/23/2026 _x86_64_ (4 CPU) 01:28:47 LINUX RESTART (4 CPU) 01:29:01 AM tps rtps wtps bread/s bwrtn/s 01:30:01 AM 366.71 22.03 344.68 5665.46 31182.50 01:31:01 AM 275.69 20.34 255.35 4093.30 17331.64 01:32:01 AM 37.96 0.47 37.49 11.86 2066.24 Average: 226.79 14.28 212.51 3256.92 16860.15 01:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 AM 13263408 15085528 2878116 17.83 2688 2033700 1112776 6.47 138968 2370244 217728 01:31:01 AM 11549428 13778380 4592096 28.45 2688 2432664 2490432 14.49 243292 3932420 49588 01:32:01 AM 12548932 15017976 3592592 22.26 2688 2671516 1130436 6.58 342704 2835476 238956 Average: 12453923 14627295 3687601 22.85 2688 2379293 1577881 9.18 241655 3046047 168757 01:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 351.94 180.82 1848.91 69.95 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 4.12 4.12 0.42 0.42 0.00 0.00 0.00 0.00 01:31:01 AM eth0 411.01 291.55 4322.16 59.85 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 AM lo 25.03 25.03 5.66 5.66 0.00 0.00 0.00 0.00 01:32:01 AM eth0 57.32 47.08 268.64 24.44 0.00 0.00 0.00 0.00 01:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.71 9.71 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 273.43 173.16 2146.69 51.41 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) 03/23/2026 _x86_64_ (4 CPU) 01:28:47 LINUX RESTART (4 CPU) 01:29:01 AM CPU %user %nice %system %iowait %steal %idle 01:30:01 AM all 28.26 0.00 3.19 1.80 0.08 66.68 01:30:01 AM 0 37.70 0.00 3.40 0.75 0.08 58.07 01:30:01 AM 1 19.28 0.00 3.76 3.72 0.07 73.18 01:30:01 AM 2 25.97 0.00 2.48 1.67 0.07 69.81 01:30:01 AM 3 30.07 0.00 3.15 1.04 0.08 65.66 01:31:01 AM all 55.00 0.00 2.74 2.55 0.11 39.60 01:31:01 AM 0 56.81 0.00 2.20 3.15 0.10 37.74 01:31:01 AM 1 55.47 0.00 2.66 1.45 0.10 40.33 01:31:01 AM 2 51.26 0.00 2.02 1.51 0.12 45.09 01:31:01 AM 3 56.45 0.00 4.05 4.11 0.12 35.27 01:32:01 AM all 16.37 0.00 0.91 0.20 0.06 82.45 01:32:01 AM 0 15.60 0.00 0.73 0.15 0.07 83.45 01:32:01 AM 1 18.31 0.00 0.60 0.05 0.05 80.99 01:32:01 AM 2 14.78 0.00 1.12 0.25 0.07 83.78 01:32:01 AM 3 16.80 0.00 1.20 0.35 0.07 81.58 Average: all 33.17 0.00 2.28 1.51 0.08 62.95 Average: 0 36.66 0.00 2.11 1.35 0.08 59.80 Average: 1 30.98 0.00 2.34 1.74 0.07 64.87 Average: 2 30.63 0.00 1.87 1.14 0.08 66.27 Average: 3 34.42 0.00 2.80 1.83 0.09 60.86