---> uname -a: Linux prd-centos8-docker-4c-4g-192.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: 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 767 12178 19 2816 14661 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:5e:d7:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.56/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe5e:d752/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:12:1f:bf 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) 03/28/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 177.39 15.16 162.22 3127.35 9339.44 01:25:01 PM 193.47 6.25 187.22 1079.91 16369.69 01:26:01 PM 34.58 3.00 31.58 109.45 777.52 Average: 135.15 8.14 127.01 1438.88 8829.30 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13006464 15022704 3135068 19.42 2688 2225072 1221720 7.11 186252 2566368 205840 01:25:01 PM 11507240 13798548 4634292 28.71 2688 2494584 2285180 13.29 254428 3961228 2384 01:26:01 PM 12484816 15033776 3656716 22.65 2688 2750016 1104948 6.43 521912 2720192 270400 Average: 12332840 14618343 3808692 23.60 2688 2489891 1537283 8.94 320864 3082596 159541 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 170.67 133.18 1950.72 30.38 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 13.45 13.45 3.58 3.58 0.00 0.00 0.00 0.00 01:25:01 PM eth0 312.38 219.34 3761.31 54.42 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 16.40 16.40 2.58 2.58 0.00 0.00 0.00 0.00 01:26:01 PM eth0 68.31 74.00 274.88 936.60 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 9.95 9.95 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 183.79 142.18 1995.74 340.45 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) 03/28/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.62 0.00 2.38 1.73 0.08 71.18 01:24:01 PM 0 21.85 0.00 2.29 0.73 0.08 75.05 01:24:01 PM 1 28.72 0.00 3.14 3.08 0.10 64.95 01:24:01 PM 2 21.13 0.00 1.96 1.49 0.07 75.35 01:24:01 PM 3 26.80 0.00 2.14 1.61 0.08 69.37 01:25:01 PM all 49.22 0.00 1.85 1.50 0.09 47.34 01:25:01 PM 0 54.17 0.00 1.29 0.37 0.08 44.10 01:25:01 PM 1 53.74 0.00 1.03 0.97 0.08 44.18 01:25:01 PM 2 48.95 0.00 1.74 2.29 0.10 46.91 01:25:01 PM 3 40.00 0.00 3.33 2.39 0.08 54.19 01:26:01 PM all 16.20 0.00 1.39 0.31 0.06 82.04 01:26:01 PM 0 15.53 0.00 1.29 0.62 0.07 82.50 01:26:01 PM 1 16.32 0.00 1.29 0.05 0.07 82.28 01:26:01 PM 2 16.36 0.00 1.14 0.08 0.05 82.37 01:26:01 PM 3 16.58 0.00 1.85 0.50 0.05 81.02 Average: all 30.01 0.00 1.87 1.18 0.08 66.85 Average: 0 30.51 0.00 1.62 0.57 0.08 67.22 Average: 1 32.94 0.00 1.82 1.36 0.08 63.79 Average: 2 28.81 0.00 1.61 1.29 0.07 68.22 Average: 3 27.79 0.00 2.44 1.50 0.07 68.20