---> uname -a: Linux prd-centos8-docker-4c-4g-14179.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: 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1076 10750 19 3934 14335 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:f5:f5:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.168/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fef5:f5fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cd:6c:af:c2 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 inet6 fe80::42:cdff:fe6c:afc2/64 scope link 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) 07/15/2026 _x86_64_ (4 CPU) 18:21:47 LINUX RESTART (4 CPU) 06:22:02 PM tps rtps wtps bread/s bwrtn/s 06:23:01 PM 368.18 22.18 346.00 5807.93 10413.00 06:24:01 PM 292.29 6.73 285.55 1180.54 33361.13 06:25:01 PM 996.45 1.70 994.75 80.77 32791.29 06:26:01 PM 311.88 116.73 195.15 2081.25 7156.36 Average: 492.73 36.89 455.83 2272.91 20975.01 06:22:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:23:01 PM 13182376 15009192 2956944 18.32 2688 2041108 1220476 7.10 147032 2450348 196948 06:24:01 PM 9829480 12428936 6309840 39.10 2688 2790844 4420148 25.72 268928 5570932 436 06:25:01 PM 10245376 13782752 5893944 36.52 2688 3538784 1826540 10.63 423560 4580384 125920 06:26:01 PM 10365984 14006484 5773336 35.77 2688 3628396 1898476 11.05 493420 4368348 16964 Average: 10905804 13806841 5233516 32.43 2688 2999783 2341410 13.62 333235 4242503 85067 06:22:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 PM eth0 381.87 214.62 2094.58 72.55 0.00 0.00 0.00 0.00 06:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:24:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 06:24:01 PM eth0 426.24 334.59 5932.38 48.34 0.00 0.00 0.00 0.00 06:24:01 PM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 06:24:01 PM vethb0df8b4 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 06:24:01 PM veth9592f42 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 06:25:01 PM lo 5.80 5.80 4.47 4.47 0.00 0.00 0.00 0.00 06:25:01 PM eth0 217.96 176.24 1809.34 1208.38 0.00 0.00 0.00 0.00 06:25:01 PM docker0 3.15 2.78 4.08 0.42 0.00 0.00 0.00 0.00 06:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:26:01 PM eth0 8.18 5.57 60.18 3.10 0.00 0.00 0.00 0.00 06:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 258.06 182.63 2475.81 334.19 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.75 1.02 0.11 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) 07/15/2026 _x86_64_ (4 CPU) 18:21:47 LINUX RESTART (4 CPU) 06:22:02 PM CPU %user %nice %system %iowait %steal %idle 06:23:01 PM all 25.04 0.00 3.04 1.35 0.08 70.49 06:23:01 PM 0 14.74 0.00 2.72 2.71 0.10 79.73 06:23:01 PM 1 51.74 0.00 5.26 1.09 0.07 41.84 06:23:01 PM 2 15.32 0.00 2.72 1.24 0.05 80.67 06:23:01 PM 3 18.34 0.00 1.45 0.36 0.10 79.75 06:24:01 PM all 37.42 0.03 3.52 1.76 0.11 57.16 06:24:01 PM 0 36.19 0.10 3.98 1.46 0.12 58.15 06:24:01 PM 1 46.02 0.00 3.56 1.87 0.10 48.45 06:24:01 PM 2 33.62 0.00 3.56 2.12 0.13 60.57 06:24:01 PM 3 33.84 0.00 2.98 1.61 0.10 61.47 06:25:01 PM all 36.25 0.07 9.41 6.54 0.11 47.62 06:25:01 PM 0 44.48 0.14 10.09 5.93 0.10 39.26 06:25:01 PM 1 38.98 0.03 8.43 5.57 0.10 46.88 06:25:01 PM 2 31.69 0.07 11.02 8.31 0.12 48.79 06:25:01 PM 3 29.83 0.03 8.10 6.37 0.10 55.56 06:26:01 PM all 41.17 0.00 2.29 2.36 0.10 54.08 06:26:01 PM 0 30.48 0.00 2.07 2.01 0.10 65.34 06:26:01 PM 1 29.17 0.00 1.89 1.12 0.10 67.72 06:26:01 PM 2 52.42 0.00 2.33 2.16 0.10 43.00 06:26:01 PM 3 52.60 0.00 2.86 4.17 0.10 40.26 Average: all 35.00 0.02 4.55 3.00 0.10 57.32 Average: 0 31.50 0.06 4.71 3.02 0.11 60.61 Average: 1 41.44 0.01 4.77 2.41 0.09 51.28 Average: 2 33.34 0.02 4.89 3.45 0.10 58.20 Average: 3 33.73 0.01 3.84 3.13 0.10 59.19