---> uname -a: Linux prd-centos8-docker-4c-4g-274.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 809 12192 19 2761 14618 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:c2:24:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fec2:247a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:85:42:ef:24 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) 03/07/2026 _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 290.27 15.79 274.48 3214.66 13801.67 01:25:01 PM 73.24 5.25 67.99 1036.45 9722.29 01:26:01 PM 52.10 2.53 49.57 138.89 9580.27 Average: 138.56 7.86 130.70 1463.53 11035.05 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12566220 14754276 3575304 22.15 2688 2392796 1395760 8.12 190656 2978516 259384 01:25:01 PM 11512960 13747180 4628564 28.67 2688 2437720 2359012 13.72 249732 3961088 1624 01:26:01 PM 12418696 14909276 3722828 23.06 2688 2691620 1237784 7.20 520780 2786596 7432 Average: 12165959 14470244 3975565 24.63 2688 2507379 1664185 9.68 320389 3242067 89480 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 423.12 305.70 5090.16 51.84 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 23.58 23.58 4.89 4.89 0.00 0.00 0.00 0.00 01:25:01 PM eth0 88.47 55.83 156.91 31.63 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 5.41 5.41 1.19 1.19 0.00 0.00 0.00 0.00 01:26:01 PM eth0 63.48 71.24 275.53 926.67 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 9.66 9.66 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 191.71 144.27 1841.23 336.68 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) 03/07/2026 _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 28.65 0.00 2.85 1.41 0.09 67.00 01:24:01 PM 0 25.13 0.00 2.82 1.63 0.08 70.34 01:24:01 PM 1 32.20 0.00 3.06 1.74 0.08 62.91 01:24:01 PM 2 28.22 0.00 2.11 0.99 0.08 68.61 01:24:01 PM 3 29.07 0.00 3.41 1.29 0.10 66.13 01:25:01 PM all 45.67 0.00 1.30 0.45 0.08 52.50 01:25:01 PM 0 45.06 0.00 1.80 0.77 0.10 52.27 01:25:01 PM 1 53.65 0.00 1.15 0.20 0.07 44.93 01:25:01 PM 2 32.41 0.00 1.74 0.72 0.08 65.05 01:25:01 PM 3 51.53 0.00 0.50 0.10 0.08 47.79 01:26:01 PM all 19.08 0.00 1.45 0.33 0.07 79.08 01:26:01 PM 0 27.49 0.00 1.35 0.37 0.07 70.73 01:26:01 PM 1 20.62 0.00 1.12 0.08 0.07 78.12 01:26:01 PM 2 13.09 0.00 1.72 0.62 0.08 84.48 01:26:01 PM 3 15.08 0.00 1.60 0.25 0.05 83.01 Average: all 31.13 0.00 1.87 0.73 0.08 66.19 Average: 0 32.55 0.00 1.99 0.92 0.08 64.45 Average: 1 35.49 0.00 1.78 0.67 0.07 61.99 Average: 2 24.57 0.00 1.86 0.78 0.08 72.71 Average: 3 31.90 0.00 1.84 0.55 0.08 65.63