---> uname -a: Linux prd-centos8-docker-4c-4g-944.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: 2799.996 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 838 12169 19 2755 14589 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:08:fc:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe08:fcc7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2a:71:8c:6e 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) 03/10/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 223.53 14.80 208.73 3093.24 10435.39 01:25:01 PM 141.64 6.27 135.38 1079.42 13043.14 01:26:01 PM 35.00 2.33 32.67 100.10 736.97 Average: 133.39 7.80 125.59 1424.27 8071.56 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12725332 14770288 3416192 21.16 2688 2251700 1392288 8.10 185484 2831668 204776 01:25:01 PM 11468412 13696944 4673112 28.95 2688 2432000 2404592 13.99 249756 4004700 1880 01:26:01 PM 12422852 14899316 3718672 23.04 2688 2677952 1233984 7.18 518256 2785712 262044 Average: 12205532 14455516 3935992 24.38 2688 2453884 1676955 9.76 317832 3207360 156233 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 254.22 192.22 2911.91 36.80 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 22.45 22.45 4.60 4.60 0.00 0.00 0.00 0.00 01:25:01 PM eth0 270.40 159.56 2339.56 42.74 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 7.60 7.60 1.59 1.59 0.00 0.00 0.00 0.00 01:26:01 PM eth0 68.69 78.12 274.30 927.53 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 Average: lo 10.01 10.01 2.06 2.06 0.00 0.00 0.00 0.00 Average: eth0 197.77 143.30 1841.90 335.71 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) 03/10/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.24 0.00 2.60 1.57 0.11 68.49 01:24:01 PM 0 30.19 0.00 2.64 1.47 0.12 65.59 01:24:01 PM 1 24.88 0.00 2.21 1.74 0.13 71.04 01:24:01 PM 2 28.79 0.00 3.08 1.66 0.08 66.39 01:24:01 PM 3 25.09 0.00 2.48 1.41 0.10 70.92 01:25:01 PM all 51.91 0.00 1.77 0.80 0.09 45.43 01:25:01 PM 0 45.70 0.00 1.94 1.10 0.10 51.16 01:25:01 PM 1 57.35 0.00 1.55 0.45 0.08 40.56 01:25:01 PM 2 43.39 0.00 2.80 1.62 0.10 52.09 01:25:01 PM 3 61.15 0.00 0.80 0.02 0.08 37.94 01:26:01 PM all 16.61 0.00 1.36 0.41 0.06 81.55 01:26:01 PM 0 9.57 0.00 1.59 0.42 0.07 88.35 01:26:01 PM 1 13.17 0.00 1.04 0.08 0.05 85.66 01:26:01 PM 2 11.48 0.00 1.59 0.22 0.07 86.65 01:26:01 PM 3 32.20 0.00 1.23 0.93 0.07 65.56 Average: all 31.92 0.00 1.91 0.93 0.09 65.16 Average: 0 28.48 0.00 2.06 1.00 0.09 68.37 Average: 1 31.80 0.00 1.60 0.76 0.09 65.76 Average: 2 27.88 0.00 2.49 1.16 0.08 68.39 Average: 3 39.50 0.00 1.50 0.79 0.08 58.13