---> uname -a: Linux prd-centos8-docker-4c-4g-3678.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 821 12123 19 2817 14606 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:7c:b1:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.147/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe7c:b1eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c4:7f:8c:dd 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) 04/20/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 199.73 15.08 184.66 3223.99 10284.44 01:25:01 PM 159.74 6.17 153.57 1055.02 14891.17 01:26:01 PM 27.97 0.50 27.47 17.06 771.91 Average: 129.15 7.25 121.90 1432.05 8648.83 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12782368 14806924 3359164 20.81 2688 2231996 1377896 8.02 188316 2778660 181568 01:25:01 PM 11525872 13817628 4615660 28.59 2688 2494956 2348368 13.66 254312 3945060 9372 01:26:01 PM 12408720 14940384 3732812 23.13 2688 2733532 1219412 7.09 349360 2970164 245448 Average: 12238987 14521645 3902545 24.18 2688 2486828 1648559 9.59 263996 3231295 145463 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 170.66 136.50 1956.65 31.47 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 11.70 11.70 3.42 3.42 0.00 0.00 0.00 0.00 01:25:01 PM eth0 334.23 228.31 3704.52 45.91 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 17.39 17.39 2.66 2.66 0.00 0.00 0.00 0.00 01:26:01 PM eth0 51.78 44.42 266.71 19.26 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 9.70 9.70 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 185.55 136.41 1975.86 32.21 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) 04/20/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.45 0.00 2.45 1.30 0.09 70.71 01:24:01 PM 0 22.12 0.00 1.95 0.73 0.08 75.11 01:24:01 PM 1 19.86 0.00 2.16 1.71 0.08 76.18 01:24:01 PM 2 25.08 0.00 2.91 1.17 0.10 70.74 01:24:01 PM 3 34.76 0.00 2.76 1.57 0.10 60.81 01:25:01 PM all 50.18 0.00 1.82 3.27 0.11 44.61 01:25:01 PM 0 57.54 0.00 2.00 6.18 0.10 34.18 01:25:01 PM 1 54.41 0.00 1.29 1.10 0.12 43.08 01:25:01 PM 2 49.36 0.00 2.36 0.99 0.12 47.17 01:25:01 PM 3 39.40 0.00 1.64 4.82 0.12 54.03 01:26:01 PM all 13.32 0.00 1.13 0.11 0.07 85.37 01:26:01 PM 0 13.38 0.00 0.63 0.02 0.07 85.91 01:26:01 PM 1 9.08 0.00 1.04 0.03 0.07 89.79 01:26:01 PM 2 15.73 0.00 1.17 0.12 0.07 82.92 01:26:01 PM 3 15.11 0.00 1.67 0.28 0.07 82.87 Average: all 29.65 0.00 1.80 1.56 0.09 66.90 Average: 0 31.01 0.00 1.53 2.31 0.08 65.06 Average: 1 27.78 0.00 1.49 0.95 0.09 69.69 Average: 2 30.06 0.00 2.15 0.76 0.09 66.95 Average: 3 29.74 0.00 2.02 2.22 0.09 65.91