---> uname -a: Linux prd-centos8-docker-4c-4g-9312.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 824 12025 19 2911 14599 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:83:03:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe83:39e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cd:4f:17:ec 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/12/2026 _x86_64_ (4 CPU) 13:22:56 LINUX RESTART (4 CPU) 01:24:03 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 274.18 17.19 256.99 3959.90 16347.55 01:26:01 PM 50.99 4.43 46.56 365.54 8663.54 01:27:01 PM 53.48 1.70 51.78 124.09 9047.87 Average: 124.58 7.67 116.91 1455.84 11297.88 01:24:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11951228 14321568 4188084 25.95 2688 2571560 2109020 12.27 217052 3548888 246652 01:26:01 PM 11277960 13663148 4861352 30.12 2688 2585956 2447696 14.24 254596 4178188 876 01:27:01 PM 12335788 14971476 3803524 23.57 2688 2833876 1194756 6.95 538636 2839080 24348 Average: 11854992 14318731 4284320 26.55 2688 2663797 1917157 11.15 336761 3522052 90625 01:24:03 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 457.16 316.28 5155.84 62.54 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 24.51 24.51 5.03 5.03 0.00 0.00 0.00 0.00 01:26:01 PM eth0 26.90 17.65 9.60 17.48 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 4.67 4.67 1.08 1.08 0.00 0.00 0.00 0.00 01:27:01 PM eth0 73.08 73.34 279.17 927.43 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 9.83 9.83 2.06 2.06 0.00 0.00 0.00 0.00 Average: eth0 182.72 133.77 1778.01 338.86 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/12/2026 _x86_64_ (4 CPU) 13:22:56 LINUX RESTART (4 CPU) 01:24:03 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 36.83 0.00 3.09 1.59 0.10 58.39 01:25:01 PM 0 38.61 0.00 3.51 2.47 0.10 55.31 01:25:01 PM 1 38.19 0.00 2.87 1.12 0.09 57.73 01:25:01 PM 2 30.85 0.00 2.36 1.02 0.09 65.69 01:25:01 PM 3 39.68 0.00 3.64 1.73 0.10 54.85 01:26:01 PM all 38.13 0.00 0.96 0.19 0.07 60.65 01:26:01 PM 0 41.78 0.00 0.68 0.08 0.07 57.38 01:26:01 PM 1 26.42 0.00 1.22 0.27 0.08 72.01 01:26:01 PM 2 38.91 0.00 1.34 0.40 0.08 59.26 01:26:01 PM 3 45.40 0.00 0.58 0.00 0.05 53.97 01:27:01 PM all 20.44 0.00 1.85 0.36 0.08 77.27 01:27:01 PM 0 15.30 0.00 1.70 0.84 0.07 82.10 01:27:01 PM 1 31.42 0.00 1.97 0.08 0.08 66.44 01:27:01 PM 2 26.28 0.00 2.35 0.37 0.07 70.93 01:27:01 PM 3 8.74 0.00 1.39 0.15 0.08 89.64 Average: all 31.74 0.00 1.95 0.70 0.08 65.52 Average: 0 31.82 0.00 1.95 1.11 0.08 65.04 Average: 1 31.94 0.00 2.01 0.48 0.08 65.48 Average: 2 32.02 0.00 2.01 0.59 0.08 65.29 Average: 3 31.19 0.00 1.85 0.61 0.08 66.27