---> uname -a: Linux prd-centos8-docker-4c-4g-3751.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 762 12245 19 2755 14665 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:ef:3b:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.28/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:feef:3b90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:17:40:f6:39 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) 03/21/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 154.00 14.71 139.29 3091.24 10478.69 01:26:01 PM 201.20 6.25 194.95 1080.09 13544.58 01:27:01 PM 24.39 0.48 23.91 12.00 645.37 Average: 126.53 7.15 119.38 1394.46 8222.58 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13089392 15037472 3052140 18.91 2688 2157464 1394752 8.11 178652 2491380 122696 01:26:01 PM 11570336 13797928 4571196 28.32 2688 2430848 2377212 13.83 243804 3910152 9148 01:27:01 PM 11877496 14236356 4264036 26.42 2688 2561312 1873688 10.90 287544 3561416 130028 Average: 12179075 14357252 3962457 24.55 2688 2383208 1881884 10.95 236667 3320983 87291 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 134.56 100.43 1436.58 36.19 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 7.58 7.58 0.80 0.80 0.00 0.00 0.00 0.00 01:26:01 PM eth0 351.97 240.84 3805.42 45.27 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 22.66 22.66 5.40 5.40 0.00 0.00 0.00 0.00 01:27:01 PM eth0 61.76 53.62 261.88 27.04 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 10.08 10.08 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 182.75 131.62 1834.52 36.16 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) 03/21/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 20.62 0.00 2.06 3.67 0.12 73.54 01:25:01 PM 0 24.34 0.00 1.88 1.64 0.10 72.04 01:25:01 PM 1 22.86 0.00 2.28 4.57 0.12 70.18 01:25:01 PM 2 16.22 0.00 1.94 3.10 0.12 78.62 01:25:01 PM 3 19.04 0.00 2.15 5.35 0.13 73.33 01:26:01 PM all 53.47 0.00 2.08 6.29 0.17 37.99 01:26:01 PM 0 45.35 0.00 1.73 11.02 0.13 41.77 01:26:01 PM 1 60.09 0.00 2.28 5.16 0.20 32.27 01:26:01 PM 2 61.82 0.00 1.64 4.61 0.15 31.77 01:26:01 PM 3 46.57 0.00 2.67 4.40 0.18 46.18 01:27:01 PM all 14.35 0.00 0.95 0.28 0.08 84.33 01:27:01 PM 0 12.14 0.00 1.10 0.05 0.08 86.62 01:27:01 PM 1 15.05 0.00 0.85 0.27 0.08 83.75 01:27:01 PM 2 14.05 0.00 0.84 0.38 0.08 84.64 01:27:01 PM 3 16.17 0.00 1.02 0.43 0.08 82.29 Average: all 29.46 0.00 1.70 3.41 0.12 65.31 Average: 0 27.24 0.00 1.57 4.23 0.11 66.85 Average: 1 32.65 0.00 1.80 3.33 0.13 62.09 Average: 2 30.68 0.00 1.47 2.70 0.12 65.03 Average: 3 27.25 0.00 1.94 3.39 0.13 67.28