---> uname -a: Linux prd-centos8-docker-4c-4g-6008.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 808 12132 19 2822 14619 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:7d:eb:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.8/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe7d:eb5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:7f:6d:a8 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) 04/25/2026 _x86_64_ (4 CPU) 13:22:19 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 264.07 15.21 248.86 3274.40 13481.52 01:25:01 PM 96.83 6.18 90.65 1054.18 11834.67 01:26:01 PM 35.96 2.98 32.98 109.32 743.48 Average: 131.56 8.09 123.48 1469.45 8660.49 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12569392 14785948 3572132 22.13 2688 2422196 1396804 8.13 191512 2977336 284628 01:25:01 PM 11103016 13398812 5038508 31.21 2688 2499080 2939320 17.10 254408 4364360 1708 01:26:01 PM 12346548 14899984 3794976 23.51 2688 2754688 1251236 7.28 524780 2854324 271424 Average: 12006319 14361581 4135205 25.62 2688 2558655 1862453 10.83 323567 3398673 185920 01:23:02 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 360.73 259.21 5044.29 45.19 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 21.58 21.58 4.51 4.51 0.00 0.00 0.00 0.00 01:25:01 PM eth0 119.43 81.77 640.67 32.04 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 7.58 7.58 1.59 1.59 0.00 0.00 0.00 0.00 01:26:01 PM eth0 67.22 75.20 274.64 926.20 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 9.77 9.77 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 181.48 138.07 1969.72 336.04 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) 04/25/2026 _x86_64_ (4 CPU) 13:22:19 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.88 0.00 3.04 1.35 0.09 67.64 01:24:01 PM 0 20.12 0.00 2.40 1.00 0.09 76.40 01:24:01 PM 1 33.03 0.00 3.66 1.33 0.10 61.89 01:24:01 PM 2 33.46 0.00 3.90 1.57 0.09 60.98 01:24:01 PM 3 24.94 0.00 2.22 1.50 0.07 71.28 01:25:01 PM all 51.89 0.00 1.84 0.41 0.09 45.76 01:25:01 PM 0 61.19 0.00 0.77 0.08 0.08 37.87 01:25:01 PM 1 57.35 0.00 1.37 0.12 0.08 41.08 01:25:01 PM 2 40.05 0.00 1.72 0.50 0.08 57.64 01:25:01 PM 3 48.95 0.00 3.52 0.95 0.10 46.48 01:26:01 PM all 17.26 0.00 1.44 0.13 0.07 81.10 01:26:01 PM 0 17.07 0.00 1.52 0.27 0.08 81.06 01:26:01 PM 1 17.65 0.00 1.85 0.10 0.07 80.33 01:26:01 PM 2 19.99 0.00 1.60 0.12 0.05 78.24 01:26:01 PM 3 14.32 0.00 0.80 0.05 0.07 84.76 Average: all 32.37 0.00 2.10 0.63 0.08 64.82 Average: 0 32.87 0.00 1.56 0.45 0.08 65.04 Average: 1 36.03 0.00 2.29 0.51 0.08 61.09 Average: 2 31.15 0.00 2.40 0.72 0.07 65.66 Average: 3 29.42 0.00 2.18 0.83 0.08 67.49