---> uname -a: Linux prd-centos8-docker-4c-4g-7687.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: 2799.996 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 764 12174 19 2824 14664 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:f2:c3:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fef2:c3d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:54:60:4f:4c 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) 05/02/2026 _x86_64_ (4 CPU) 13:22:44 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 343.96 29.20 314.76 7327.82 36792.64 01:25:01 PM 274.63 19.64 254.98 3934.82 19337.97 01:26:01 PM 34.04 0.60 33.44 17.86 2005.53 Average: 217.56 16.48 201.08 3760.57 19380.65 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13253392 15148152 2888140 17.89 2688 2105860 1091360 6.35 140996 2380072 277464 01:25:01 PM 11729316 14025896 4412216 27.33 2688 2499876 2081616 12.11 248888 3745784 48560 01:26:01 PM 12043272 14415680 4098260 25.39 2688 2574996 1665380 9.69 290400 3392572 74036 Average: 12341993 14529909 3799539 23.54 2688 2393577 1612785 9.38 226761 3172809 133353 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 342.63 203.71 2289.00 73.35 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 3.88 3.88 0.41 0.41 0.00 0.00 0.00 0.00 01:25:01 PM eth0 370.01 279.91 4313.15 54.11 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 24.98 24.98 5.66 5.66 0.00 0.00 0.00 0.00 01:26:01 PM eth0 54.97 38.99 239.49 25.91 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 9.62 9.62 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 255.89 174.21 2280.66 51.12 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) 05/02/2026 _x86_64_ (4 CPU) 13:22:44 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.74 0.00 3.49 2.21 0.08 66.49 01:24:01 PM 0 23.09 0.00 2.73 0.72 0.08 73.37 01:24:01 PM 1 36.80 0.00 5.14 2.89 0.08 55.09 01:24:01 PM 2 32.52 0.00 3.80 4.15 0.07 59.46 01:24:01 PM 3 18.58 0.00 2.28 1.07 0.07 78.01 01:25:01 PM all 55.38 0.00 2.65 1.61 0.12 40.24 01:25:01 PM 0 40.58 0.00 3.48 2.19 0.12 53.63 01:25:01 PM 1 61.35 0.00 2.57 1.04 0.12 34.92 01:25:01 PM 2 58.10 0.00 2.73 1.76 0.13 37.28 01:25:01 PM 3 61.49 0.00 1.81 1.47 0.12 35.12 01:26:01 PM all 16.45 0.00 0.90 0.17 0.07 82.41 01:26:01 PM 0 11.30 0.00 1.51 0.54 0.08 86.57 01:26:01 PM 1 13.58 0.00 1.00 0.13 0.08 85.20 01:26:01 PM 2 20.38 0.00 0.53 0.02 0.05 79.02 01:26:01 PM 3 20.54 0.00 0.55 0.00 0.07 78.84 Average: all 33.19 0.00 2.34 1.33 0.09 63.05 Average: 0 24.99 0.00 2.57 1.15 0.09 71.19 Average: 1 37.25 0.00 2.90 1.35 0.09 58.41 Average: 2 36.99 0.00 2.35 1.97 0.08 58.60 Average: 3 33.54 0.00 1.54 0.85 0.08 63.99