---> uname -a: Linux prd-centos8-docker-8c-8g-4981.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1940 25491 19 4458 29483 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:05:68:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.171/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85950sec preferred_lft 85950sec inet6 fe80::f816:3eff:fe05:684c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4b:31:c2:16 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::42:4bff:fe31:c216/64 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) 03/25/2026 _x86_64_ (8 CPU) 15:13:00 LINUX RESTART (8 CPU) 03:14:01 PM tps rtps wtps bread/s bwrtn/s 03:15:01 PM 268.29 16.80 251.49 3190.40 18655.02 03:16:01 PM 71.13 2.65 68.48 1035.12 10909.36 03:17:01 PM 283.19 16.41 266.78 5586.67 30635.94 03:18:01 PM 35.84 0.00 35.84 0.00 18256.21 03:19:01 PM 25.23 0.07 25.16 50.12 1748.09 03:20:01 PM 25.40 2.68 22.72 83.29 4555.96 Average: 118.18 6.43 111.74 1657.56 14126.72 03:14:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:15:01 PM 27989760 30299160 4665952 14.29 2688 2623660 2305136 6.84 197844 3992612 290320 03:16:01 PM 27319232 29719336 5336480 16.34 2688 2712400 2728064 8.09 268476 4581016 40024 03:17:01 PM 26712052 30237576 5943660 18.20 2688 3820912 2198124 6.52 518844 4876348 158556 03:18:01 PM 25781960 29727948 6873752 21.05 2688 4238200 2659444 7.89 660260 5652500 36172 03:19:01 PM 25476884 29432108 7178828 21.98 2688 4246760 2898632 8.60 667624 5950448 20 03:20:01 PM 26042348 30125244 6613364 20.25 2688 4372696 2408756 7.15 920068 5132276 23304 Average: 26553706 29923562 6102006 18.69 2688 3669105 2533026 7.52 538853 5030867 91399 03:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 PM eth0 550.74 399.32 7782.58 65.70 0.00 0.00 0.00 0.00 03:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 PM eth0 171.71 140.19 963.60 32.34 0.00 0.00 0.00 0.00 03:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 PM lo 12.86 12.86 1.35 1.35 0.00 0.00 0.00 0.00 03:17:01 PM eth0 1072.31 319.08 6668.58 40.07 0.00 0.00 0.00 0.00 03:17:01 PM docker0 4.82 5.93 0.65 0.69 0.00 0.00 0.00 0.00 03:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 PM eth0 204.73 156.55 1703.30 31.91 0.00 0.00 0.00 0.00 03:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 PM eth0 339.43 264.32 228.95 87.55 0.00 0.00 0.00 0.00 03:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 PM eth0 278.53 178.41 435.84 213.88 0.00 0.00 0.00 0.00 03:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.14 2.14 0.23 0.23 0.00 0.00 0.00 0.00 Average: eth0 436.24 242.97 2963.68 78.58 0.00 0.00 0.00 0.00 Average: docker0 0.80 0.99 0.11 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) 03/25/2026 _x86_64_ (8 CPU) 15:13:00 LINUX RESTART (8 CPU) 03:14:01 PM CPU %user %nice %system %iowait %steal %idle 03:15:01 PM all 15.28 0.00 1.25 0.84 0.07 82.57 03:15:01 PM 0 6.61 0.00 0.67 0.10 0.07 92.55 03:15:01 PM 1 15.29 0.00 1.00 0.69 0.07 82.96 03:15:01 PM 2 24.60 0.00 2.51 1.97 0.08 70.84 03:15:01 PM 3 13.62 0.00 1.69 0.69 0.07 83.94 03:15:01 PM 4 16.60 0.00 0.89 0.62 0.08 81.81 03:15:01 PM 5 14.11 0.00 0.82 0.55 0.05 84.47 03:15:01 PM 6 24.80 0.00 1.51 0.85 0.07 72.78 03:15:01 PM 7 6.60 0.00 0.89 1.22 0.07 91.23 03:16:01 PM all 28.73 0.00 0.71 0.45 0.06 70.05 03:16:01 PM 0 35.06 0.00 0.27 0.00 0.08 64.59 03:16:01 PM 1 22.84 0.00 0.32 0.13 0.05 76.66 03:16:01 PM 2 22.56 0.00 1.02 1.57 0.07 74.78 03:16:01 PM 3 56.35 0.00 1.12 0.47 0.08 41.97 03:16:01 PM 4 24.81 0.00 0.33 0.30 0.03 74.52 03:16:01 PM 5 21.13 0.00 0.62 0.85 0.07 77.33 03:16:01 PM 6 29.46 0.00 0.88 0.05 0.05 69.55 03:16:01 PM 7 17.63 0.00 1.14 0.20 0.05 80.98 03:17:01 PM all 20.68 0.33 3.47 0.93 0.08 74.51 03:17:01 PM 0 19.51 0.03 2.89 0.47 0.08 77.01 03:17:01 PM 1 22.07 0.07 3.69 1.43 0.10 72.64 03:17:01 PM 2 28.51 0.03 3.17 0.44 0.08 67.77 03:17:01 PM 3 11.33 2.43 3.46 1.15 0.08 81.55 03:17:01 PM 4 21.18 0.03 3.52 0.57 0.08 74.61 03:17:01 PM 5 20.82 0.02 4.04 0.64 0.07 74.42 03:17:01 PM 6 19.38 0.02 3.66 2.40 0.08 74.46 03:17:01 PM 7 22.61 0.02 3.33 0.32 0.08 73.63 03:18:01 PM all 11.97 0.00 0.86 0.21 0.04 86.92 03:18:01 PM 0 6.62 0.00 0.63 0.00 0.05 92.69 03:18:01 PM 1 6.65 0.00 0.57 0.02 0.05 92.72 03:18:01 PM 2 19.57 0.00 0.80 0.00 0.05 79.58 03:18:01 PM 3 8.64 0.00 0.87 0.10 0.03 90.36 03:18:01 PM 4 5.00 0.00 1.37 0.62 0.03 92.98 03:18:01 PM 5 1.86 0.00 0.89 0.94 0.05 96.27 03:18:01 PM 6 24.94 0.00 1.32 0.00 0.03 73.71 03:18:01 PM 7 22.46 0.00 0.40 0.03 0.03 77.07 03:19:01 PM all 12.72 0.00 0.63 0.06 0.04 86.56 03:19:01 PM 0 6.19 0.00 0.13 0.00 0.05 93.62 03:19:01 PM 1 6.17 0.00 0.84 0.05 0.07 92.88 03:19:01 PM 2 4.24 0.00 0.50 0.17 0.03 95.06 03:19:01 PM 3 4.66 0.00 0.63 0.10 0.03 94.57 03:19:01 PM 4 22.63 0.00 0.93 0.00 0.02 76.42 03:19:01 PM 5 25.12 0.00 0.73 0.08 0.05 74.01 03:19:01 PM 6 3.55 0.00 0.22 0.03 0.03 96.16 03:19:01 PM 7 29.12 0.00 1.02 0.03 0.05 69.77 03:20:01 PM all 16.98 0.00 0.95 0.08 0.05 81.95 03:20:01 PM 0 2.94 0.00 0.72 0.05 0.08 96.21 03:20:01 PM 1 7.31 0.00 1.04 0.07 0.05 91.53 03:20:01 PM 2 21.34 0.00 0.82 0.00 0.05 77.80 03:20:01 PM 3 12.56 0.00 1.44 0.33 0.05 85.61 03:20:01 PM 4 32.85 0.00 1.02 0.08 0.03 66.02 03:20:01 PM 5 18.28 0.00 0.40 0.00 0.03 81.28 03:20:01 PM 6 8.29 0.00 0.77 0.03 0.05 90.85 03:20:01 PM 7 32.21 0.00 1.39 0.07 0.05 66.28 Average: all 17.72 0.05 1.31 0.43 0.06 80.44 Average: 0 12.81 0.01 0.88 0.10 0.07 86.13 Average: 1 13.38 0.01 1.24 0.40 0.06 84.91 Average: 2 20.12 0.01 1.47 0.69 0.06 77.65 Average: 3 17.87 0.40 1.53 0.47 0.06 79.67 Average: 4 20.51 0.01 1.34 0.37 0.05 77.73 Average: 5 16.89 0.00 1.25 0.51 0.05 81.30 Average: 6 18.40 0.00 1.39 0.56 0.05 79.60 Average: 7 21.78 0.00 1.36 0.31 0.06 76.50