---> uname -a: Linux prd-centos8-docker-4c-4g-4042.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 803 12139 19 2819 14624 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:36:8b:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe36:8b47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6a:31:c4:5f 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) 04/06/2026 _x86_64_ (4 CPU) 01:28:20 LINUX RESTART (4 CPU) 01:29:02 AM tps rtps wtps bread/s bwrtn/s 01:30:01 AM 251.49 15.16 236.33 3263.17 11214.93 01:31:01 AM 117.96 6.17 111.80 1055.02 14533.33 01:32:01 AM 32.29 0.88 31.41 67.98 701.70 Average: 133.26 7.36 125.90 1452.02 8802.94 01:29:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 AM 12579844 14788736 3561680 22.07 2688 2414828 1411584 8.21 185264 2976356 351456 01:31:01 AM 11310152 13604472 4831372 29.93 2688 2497660 2637672 15.34 249276 4163128 1604 01:32:01 AM 12447724 14988840 3693800 22.88 2688 2742752 1198136 6.97 516164 2762480 262052 Average: 12112573 14460683 4028951 24.96 2688 2551747 1749131 10.18 316901 3300655 205037 01:29:02 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 347.71 249.59 4988.14 40.69 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 21.83 21.83 4.53 4.53 0.00 0.00 0.00 0.00 01:31:01 AM eth0 148.04 91.80 748.22 38.91 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 7.11 7.11 1.54 1.54 0.00 0.00 0.00 0.00 01:32:01 AM eth0 46.57 41.27 272.80 15.78 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 9.70 9.70 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 179.84 126.88 1986.45 31.74 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) 04/06/2026 _x86_64_ (4 CPU) 01:28:20 LINUX RESTART (4 CPU) 01:29:02 AM CPU %user %nice %system %iowait %steal %idle 01:30:01 AM all 27.75 0.00 2.70 1.26 0.09 68.20 01:30:01 AM 0 22.59 0.00 2.33 1.05 0.08 73.95 01:30:01 AM 1 29.27 0.00 3.15 1.84 0.10 65.63 01:30:01 AM 2 34.84 0.00 3.15 1.28 0.10 60.64 01:30:01 AM 3 24.32 0.00 2.16 0.85 0.09 72.58 01:31:01 AM all 48.12 0.00 1.57 0.56 0.08 49.67 01:31:01 AM 0 57.02 0.00 0.78 0.25 0.08 41.86 01:31:01 AM 1 42.83 0.00 1.96 0.38 0.08 54.75 01:31:01 AM 2 55.57 0.00 1.03 0.12 0.07 43.21 01:31:01 AM 3 37.00 0.00 2.53 1.49 0.08 58.90 01:32:01 AM all 13.63 0.00 1.17 0.11 0.07 85.03 01:32:01 AM 0 9.77 0.00 1.30 0.17 0.08 88.68 01:32:01 AM 1 20.26 0.00 1.34 0.08 0.08 78.24 01:32:01 AM 2 12.57 0.00 0.83 0.05 0.07 86.48 01:32:01 AM 3 11.90 0.00 1.20 0.13 0.05 86.71 Average: all 29.84 0.00 1.81 0.64 0.08 67.64 Average: 0 29.84 0.00 1.47 0.49 0.08 68.13 Average: 1 30.79 0.00 2.14 0.76 0.09 66.21 Average: 2 34.32 0.00 1.66 0.48 0.08 63.47 Average: 3 24.40 0.00 1.96 0.82 0.07 72.74