---> uname -a: Linux prd-centos8-docker-4c-4g-3569.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 25M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1029 10553 27 4180 14376 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:44:96:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.173/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86066sec preferred_lft 86066sec inet6 fe80::f816:3eff:fe44:96f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4c:88:2f:47 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 inet6 fe80::42:4cff:fe88:2f47/64 scope link 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) 04/04/2026 _x86_64_ (4 CPU) 03:29:04 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:31:01 AM 254.01 6.03 247.98 758.29 14765.27 03:32:01 AM 199.75 2.05 197.70 583.54 32193.14 03:33:01 AM 1020.62 95.15 925.47 1697.95 25524.37 03:34:01 AM 198.73 41.75 156.98 5576.94 4991.89 Average: 418.30 36.25 382.05 2154.10 19368.73 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 AM 12092568 14212580 4048964 25.08 2688 2333028 2112704 12.29 191356 3450996 179256 03:32:01 AM 11169480 14237140 4972052 30.80 2688 3213120 1676668 9.75 371048 4029040 186336 03:33:01 AM 9751896 13259840 6389636 39.59 2688 3510860 1794636 10.44 421092 5069504 12 03:34:01 AM 10873696 14776328 5267836 32.64 2688 3898888 1132488 6.59 703452 3673608 145756 Average: 10971910 14121472 5169622 32.03 2688 3238974 1679124 9.77 421737 4055787 127840 03:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 351.87 268.12 3884.23 45.40 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.16 6.16 4.60 4.60 0.00 0.00 0.00 0.00 03:32:01 AM eth0 328.67 207.00 3540.95 28.73 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.33 3.15 4.09 0.45 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 70.26 33.40 594.19 5.99 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 242.04 171.99 3031.60 52.21 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.54 1.54 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 248.21 170.12 2762.70 33.08 0.00 0.00 0.00 0.00 Average: docker0 0.83 0.79 1.02 0.11 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) 04/04/2026 _x86_64_ (4 CPU) 03:29:04 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:31:01 AM all 30.72 0.00 2.30 1.58 0.11 65.28 03:31:01 AM 0 41.75 0.00 2.24 0.47 0.12 55.43 03:31:01 AM 1 30.89 0.00 2.71 2.06 0.13 64.21 03:31:01 AM 2 26.11 0.00 2.32 1.67 0.10 69.79 03:31:01 AM 3 24.11 0.00 1.94 2.14 0.10 71.70 03:32:01 AM all 39.32 0.10 5.75 1.89 0.11 52.83 03:32:01 AM 0 34.41 0.17 5.25 3.07 0.10 57.00 03:32:01 AM 1 43.29 0.07 6.82 1.15 0.14 48.53 03:32:01 AM 2 33.38 0.07 5.23 1.50 0.10 59.72 03:32:01 AM 3 46.21 0.08 5.71 1.86 0.10 46.04 03:33:01 AM all 31.55 0.00 6.80 7.34 0.11 54.21 03:33:01 AM 0 21.19 0.00 5.94 6.26 0.10 66.51 03:33:01 AM 1 28.39 0.00 7.38 8.19 0.13 55.89 03:33:01 AM 2 58.01 0.00 7.04 7.83 0.12 27.00 03:33:01 AM 3 18.67 0.00 6.82 7.06 0.10 67.35 03:34:01 AM all 50.09 0.00 2.35 1.12 0.09 46.35 03:34:01 AM 0 47.05 0.00 2.78 0.65 0.08 49.43 03:34:01 AM 1 47.30 0.00 1.34 0.79 0.08 50.49 03:34:01 AM 2 48.34 0.00 2.70 2.18 0.10 46.68 03:34:01 AM 3 57.66 0.00 2.58 0.87 0.10 38.79 Average: all 37.93 0.02 4.29 2.98 0.11 54.67 Average: 0 36.14 0.04 4.04 2.60 0.10 57.07 Average: 1 37.47 0.02 4.55 3.04 0.12 54.80 Average: 2 41.43 0.02 4.31 3.29 0.11 50.85 Average: 3 36.68 0.02 4.25 2.98 0.10 55.97