---> uname -a: Linux prd-centos8-docker-4c-4g-3503.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: 2799.974 BogoMIPS: 5599.94 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 762 12245 19 2754 14665 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:2b:ab:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.43/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe2b:abf6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c3:3c:1a:f6 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) 03/20/2026 _x86_64_ (4 CPU) 13:22:44 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 264.57 16.36 248.22 3799.07 12104.50 01:26:01 PM 64.32 4.63 59.69 371.80 9025.76 01:27:01 PM 51.06 3.17 47.89 147.31 8882.39 Average: 126.67 8.05 118.62 1439.79 10004.57 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12399364 14605352 3742168 23.18 2688 2410244 1485080 8.64 204256 3132712 242768 01:26:01 PM 11323004 13551072 4818528 29.85 2688 2431368 2589436 15.06 250352 4152156 1112 01:27:01 PM 12565164 15042884 3576368 22.16 2688 2678792 1108212 6.45 521056 2643192 23156 Average: 12095844 14399769 4045688 25.06 2688 2506801 1727576 10.05 325221 3309353 89012 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 388.67 289.66 4457.46 53.65 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 23.85 23.85 4.95 4.95 0.00 0.00 0.00 0.00 01:26:01 PM eth0 50.19 34.48 110.42 23.85 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 01:27:01 PM lo 5.00 5.00 1.12 1.12 0.00 0.00 0.00 0.00 01:27:01 PM eth0 71.94 77.29 283.55 929.17 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.61 9.61 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 170.30 133.83 1617.62 335.51 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) 03/20/2026 _x86_64_ (4 CPU) 13:22:44 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 31.46 0.00 2.76 4.25 0.11 61.42 01:25:01 PM 0 32.35 0.00 2.62 3.47 0.12 61.44 01:25:01 PM 1 29.66 0.00 3.24 6.30 0.12 60.68 01:25:01 PM 2 29.19 0.00 2.41 4.25 0.12 64.04 01:25:01 PM 3 34.66 0.00 2.76 2.96 0.08 59.53 01:26:01 PM all 39.78 0.00 1.01 0.71 0.08 58.41 01:26:01 PM 0 23.09 0.00 1.39 2.54 0.10 72.88 01:26:01 PM 1 48.67 0.00 0.38 0.05 0.08 50.81 01:26:01 PM 2 47.86 0.00 0.98 0.18 0.07 50.90 01:26:01 PM 3 39.47 0.00 1.27 0.08 0.08 59.10 01:27:01 PM all 20.15 0.00 1.74 0.81 0.08 77.23 01:27:01 PM 0 13.32 0.00 1.62 0.98 0.08 84.00 01:27:01 PM 1 24.63 0.00 2.15 1.44 0.08 71.69 01:27:01 PM 2 15.97 0.00 1.22 0.55 0.08 82.18 01:27:01 PM 3 26.69 0.00 1.95 0.25 0.08 71.02 Average: all 30.46 0.00 1.83 1.92 0.09 65.69 Average: 0 22.91 0.00 1.87 2.33 0.10 72.78 Average: 1 34.32 0.00 1.93 2.59 0.09 61.06 Average: 2 31.01 0.00 1.54 1.66 0.09 65.70 Average: 3 33.60 0.00 1.99 1.10 0.08 63.22