---> uname -a: Linux prd-centos8-docker-4c-4g-549.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 810 12124 19 2828 14618 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:55:56:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.125/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86176sec preferred_lft 86176sec inet6 fe80::f816:3eff:fe55:56b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e0:5e:68:61 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) 05/18/2026 _x86_64_ (4 CPU) 01:51:47 LINUX RESTART (4 CPU) 01:52:01 AM tps rtps wtps bread/s bwrtn/s 01:53:01 AM 295.98 25.34 270.64 7431.39 9624.74 01:54:01 AM 276.54 15.90 260.64 2301.75 20464.42 01:55:01 AM 27.54 0.53 27.01 21.59 830.89 Average: 200.02 13.92 186.09 3251.63 10306.12 01:52:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 AM 13079392 15037656 3062140 18.97 2688 2169236 1454332 8.46 148004 2546556 288944 01:54:01 AM 11334552 13634960 4806980 29.78 2688 2503664 2496828 14.52 250076 4139176 12308 01:55:01 AM 12459460 15000132 3682072 22.81 2688 2742564 1157256 6.73 512824 2756588 246472 Average: 12291135 14557583 3850397 23.85 2688 2471821 1702805 9.91 303635 3147440 182575 01:52:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM eth0 319.61 209.28 2458.43 76.85 0.00 0.00 0.00 0.00 01:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM lo 11.45 11.45 3.40 3.40 0.00 0.00 0.00 0.00 01:54:01 AM eth0 380.39 274.39 4159.24 61.13 0.00 0.00 0.00 0.00 01:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 AM lo 17.78 17.78 2.70 2.70 0.00 0.00 0.00 0.00 01:55:01 AM eth0 77.14 68.03 283.19 38.02 0.00 0.00 0.00 0.00 01:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.74 9.74 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 259.04 183.89 2300.18 58.67 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) 05/18/2026 _x86_64_ (4 CPU) 01:51:47 LINUX RESTART (4 CPU) 01:52:01 AM CPU %user %nice %system %iowait %steal %idle 01:53:01 AM all 26.78 0.00 3.29 1.23 0.10 68.59 01:53:01 AM 0 10.99 0.00 2.65 0.42 0.13 85.81 01:53:01 AM 1 32.66 0.00 2.76 0.65 0.08 63.85 01:53:01 AM 2 32.58 0.00 2.93 0.99 0.08 63.42 01:53:01 AM 3 30.97 0.00 4.83 2.88 0.12 61.20 01:54:01 AM all 59.57 0.00 2.75 1.42 0.13 36.13 01:54:01 AM 0 66.62 0.00 1.33 0.52 0.13 31.39 01:54:01 AM 1 48.63 0.00 3.95 2.58 0.15 44.69 01:54:01 AM 2 59.74 0.00 3.04 1.14 0.12 35.96 01:54:01 AM 3 63.24 0.00 2.66 1.45 0.13 32.51 01:55:01 AM all 13.85 0.00 1.11 0.11 0.05 84.87 01:55:01 AM 0 13.24 0.00 1.14 0.02 0.05 85.56 01:55:01 AM 1 12.78 0.00 1.15 0.13 0.07 85.86 01:55:01 AM 2 15.89 0.00 0.79 0.00 0.05 83.28 01:55:01 AM 3 13.51 0.00 1.37 0.28 0.05 84.79 Average: all 33.40 0.00 2.38 0.92 0.10 63.20 Average: 0 30.29 0.00 1.71 0.32 0.11 67.58 Average: 1 31.34 0.00 2.62 1.12 0.10 64.82 Average: 2 36.06 0.00 2.25 0.71 0.08 60.90 Average: 3 35.90 0.00 2.95 1.54 0.10 59.51