---> uname -a: Linux prd-centos8-docker-8c-8g-5577.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: 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): 0-7 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 1053 27162 19 3674 30376 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:8d:bd:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.196/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe8d:bdc9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bd:a3:43:fb 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:bdff:fea3:43fb/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) 03/27/2026 _x86_64_ (8 CPU) 17:11:43 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 265.58 26.97 238.60 6303.53 19711.60 05:14:01 PM 503.28 19.16 484.12 4175.41 17209.30 05:15:01 PM 289.87 2.70 287.17 397.13 47710.15 Average: 352.91 16.28 336.63 3625.54 28209.26 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29575208 31332556 3080504 9.43 2688 2077640 1409756 4.18 141212 2501328 244472 05:14:01 PM 28276624 30522400 4379088 13.41 2688 2554256 1936968 5.75 264484 3617424 222124 05:15:01 PM 26515216 29729388 6140496 18.80 2688 3510564 2617768 7.77 640856 4953044 74960 Average: 28122349 30528115 4533363 13.88 2688 2714153 1988164 5.90 348851 3690599 180519 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 480.69 285.77 2284.93 71.91 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 501.37 441.89 4941.59 79.73 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 536.24 420.61 8246.15 282.46 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.20 11.90 0.48 257.47 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 506.10 382.75 5157.39 144.70 0.00 0.00 0.00 0.00 Average: docker0 2.07 3.97 0.16 85.81 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) 03/27/2026 _x86_64_ (8 CPU) 17:11:43 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 14.68 0.00 2.13 0.87 0.05 82.26 05:13:01 PM 0 5.51 0.00 2.58 2.40 0.08 89.43 05:13:01 PM 1 36.16 0.00 3.09 0.70 0.05 60.00 05:13:01 PM 2 8.23 0.00 1.24 0.45 0.03 90.05 05:13:01 PM 3 16.79 0.00 2.26 0.53 0.03 80.39 05:13:01 PM 4 8.72 0.00 1.19 0.82 0.08 89.18 05:13:01 PM 5 17.77 0.00 2.97 1.12 0.05 78.08 05:13:01 PM 6 11.94 0.00 2.31 0.77 0.05 84.93 05:13:01 PM 7 12.24 0.00 1.44 0.20 0.03 86.09 05:14:01 PM all 25.83 0.00 1.80 1.36 0.08 70.93 05:14:01 PM 0 28.77 0.00 2.14 1.72 0.08 67.28 05:14:01 PM 1 17.79 0.00 2.20 2.90 0.08 77.03 05:14:01 PM 2 25.23 0.00 1.49 0.64 0.10 72.54 05:14:01 PM 3 29.62 0.00 2.21 1.39 0.08 66.70 05:14:01 PM 4 33.68 0.00 1.49 0.57 0.08 64.18 05:14:01 PM 5 29.99 0.00 1.66 1.19 0.07 67.09 05:14:01 PM 6 23.35 0.00 1.69 1.44 0.08 73.43 05:14:01 PM 7 18.15 0.00 1.54 1.02 0.08 79.21 05:15:01 PM all 22.16 0.00 2.76 0.95 0.08 74.05 05:15:01 PM 0 14.40 0.00 2.85 0.34 0.10 82.32 05:15:01 PM 1 29.92 0.00 2.76 1.01 0.07 66.25 05:15:01 PM 2 17.74 0.00 3.13 2.14 0.07 76.93 05:15:01 PM 3 16.71 0.00 3.26 1.19 0.08 78.75 05:15:01 PM 4 23.44 0.00 3.08 1.79 0.08 71.61 05:15:01 PM 5 21.34 0.00 2.87 0.74 0.10 74.94 05:15:01 PM 6 24.05 0.00 2.03 0.25 0.07 73.60 05:15:01 PM 7 29.66 0.00 2.11 0.18 0.07 67.97 Average: all 20.88 0.00 2.23 1.06 0.07 75.75 Average: 0 16.23 0.00 2.52 1.49 0.09 79.67 Average: 1 27.97 0.00 2.68 1.54 0.07 67.75 Average: 2 17.06 0.00 1.95 1.07 0.07 79.85 Average: 3 21.04 0.00 2.57 1.04 0.07 75.28 Average: 4 21.96 0.00 1.92 1.06 0.08 74.98 Average: 5 23.04 0.00 2.50 1.02 0.07 73.37 Average: 6 19.78 0.00 2.01 0.82 0.07 77.32 Average: 7 20.01 0.00 1.70 0.47 0.06 77.77