---> uname -a: Linux prd-centos8-docker-4c-4g-5188.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 804 12138 19 2820 14623 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:0f:d1:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.165/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe0f:d106/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b3:2d:3a:e4 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) 04/23/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:02 PM 201.37 14.96 186.40 3222.93 10280.70 01:25:01 PM 167.11 6.29 160.82 1072.23 15492.36 01:26:01 PM 34.34 2.98 31.36 109.30 769.89 Average: 134.08 8.09 125.99 1470.29 8810.09 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:02 PM 12794804 14822856 3346720 20.73 2688 2235564 1373344 7.99 188468 2764020 182104 01:25:01 PM 11535144 13829736 4606380 28.54 2688 2497956 2263832 13.17 254448 3936564 2560 01:26:01 PM 12459676 15003100 3681848 22.81 2688 2744760 1160316 6.75 521236 2747256 262032 Average: 12263208 14551897 3878316 24.03 2688 2492760 1599164 9.30 321384 3149280 148899 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:02 PM eth0 176.17 135.43 1962.29 31.17 0.00 0.00 0.00 0.00 01:24:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 14.18 14.18 3.67 3.67 0.00 0.00 0.00 0.00 01:25:01 PM eth0 369.02 236.38 3784.88 58.67 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 15.74 15.74 2.55 2.55 0.00 0.00 0.00 0.00 01:26:01 PM eth0 70.78 75.16 277.30 937.64 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 2.06 2.06 0.00 0.00 0.00 0.00 Average: eth0 204.40 148.50 1998.13 344.11 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) 04/23/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:02 PM all 25.47 0.00 2.40 1.63 0.09 70.40 01:24:02 PM 0 29.44 0.00 2.60 0.73 0.10 67.12 01:24:02 PM 1 23.36 0.00 2.78 2.91 0.10 70.85 01:24:02 PM 2 30.31 0.00 2.56 2.04 0.10 64.98 01:24:02 PM 3 18.76 0.00 1.67 0.84 0.07 78.66 01:25:01 PM all 51.66 0.00 1.88 1.83 0.10 44.54 01:25:01 PM 0 50.20 0.00 2.53 1.85 0.10 45.31 01:25:01 PM 1 60.33 0.00 1.62 2.98 0.09 34.99 01:25:01 PM 2 38.61 0.00 1.92 1.60 0.10 57.77 01:25:01 PM 3 57.50 0.00 1.43 0.88 0.12 40.07 01:26:01 PM all 16.77 0.00 1.40 0.24 0.07 81.53 01:26:01 PM 0 26.31 0.00 1.27 0.15 0.10 72.17 01:26:01 PM 1 12.39 0.00 1.45 0.57 0.07 85.52 01:26:01 PM 2 16.86 0.00 1.20 0.07 0.05 81.82 01:26:01 PM 3 11.49 0.00 1.67 0.18 0.05 86.60 Average: all 31.18 0.00 1.89 1.23 0.09 65.61 Average: 0 35.22 0.00 2.13 0.91 0.10 61.64 Average: 1 31.86 0.00 1.95 2.15 0.08 63.96 Average: 2 28.53 0.00 1.89 1.23 0.08 68.26 Average: 3 29.10 0.00 1.59 0.63 0.08 68.60