---> uname -a: Linux prd-centos8-docker-4c-4g-5590.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 829 12114 19 2818 14598 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:d7:e9:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.71/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fed7:e94c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:08:df:87:33 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) 04/24/2026 _x86_64_ (4 CPU) 13:23:04 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 274.90 16.48 258.42 3825.36 14351.32 01:26:01 PM 57.86 4.58 53.27 370.74 8685.55 01:27:01 PM 48.25 3.18 45.07 140.62 8754.72 Average: 127.00 8.08 118.92 1445.50 10597.10 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12320276 14591208 3821256 23.67 2688 2475052 1473472 8.57 209016 3207348 237600 01:26:01 PM 11013644 13307204 5127888 31.77 2688 2496668 3111424 18.10 254868 4455212 1116 01:27:01 PM 12381928 14924996 3759604 23.29 2688 2743804 1204836 7.01 524660 2821732 23112 Average: 11905283 14274469 4236249 26.24 2688 2571841 1929911 11.23 329515 3494764 87276 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 420.36 288.52 4862.87 60.51 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 24.11 24.11 4.95 4.95 0.00 0.00 0.00 0.00 01:26:01 PM eth0 38.91 28.68 108.68 23.44 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 5.28 5.28 1.17 1.17 0.00 0.00 0.00 0.00 01:27:01 PM eth0 75.56 78.19 281.70 929.97 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 9.80 9.80 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 178.27 131.79 1751.01 338.01 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) 04/24/2026 _x86_64_ (4 CPU) 13:23:04 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 33.11 0.00 3.10 1.75 0.13 61.90 01:25:01 PM 0 32.31 0.00 3.13 1.47 0.15 62.94 01:25:01 PM 1 32.20 0.00 2.33 1.81 0.12 63.53 01:25:01 PM 2 39.40 0.00 3.16 1.47 0.13 55.83 01:25:01 PM 3 28.54 0.00 3.77 2.23 0.13 65.32 01:26:01 PM all 45.75 0.00 1.18 0.35 0.10 52.62 01:26:01 PM 0 27.46 0.00 1.83 0.89 0.10 69.73 01:26:01 PM 1 55.41 0.00 0.58 0.02 0.10 43.89 01:26:01 PM 2 51.50 0.00 0.67 0.12 0.10 47.61 01:26:01 PM 3 48.57 0.00 1.64 0.37 0.10 49.32 01:27:01 PM all 19.31 0.00 1.70 0.41 0.07 78.51 01:27:01 PM 0 11.35 0.00 1.67 0.33 0.07 86.58 01:27:01 PM 1 25.28 0.00 1.85 0.38 0.08 72.40 01:27:01 PM 2 22.71 0.00 2.14 0.65 0.07 74.44 01:27:01 PM 3 17.89 0.00 1.15 0.28 0.05 80.62 Average: all 32.72 0.00 1.99 0.83 0.10 64.35 Average: 0 23.69 0.00 2.21 0.90 0.11 73.09 Average: 1 37.64 0.00 1.59 0.74 0.10 59.94 Average: 2 37.87 0.00 1.99 0.75 0.10 59.30 Average: 3 31.67 0.00 2.19 0.96 0.09 65.09