---> uname -a: Linux prd-centos8-docker-4c-4g-2179.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 999 10992 19 3771 14414 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:db:54:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.113/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86097sec preferred_lft 86097sec inet6 fe80::f816:3eff:fedb:54c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:01:27:c9:8f 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::42:1ff:fe27:c98f/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) 03/04/2026 _x86_64_ (4 CPU) 17:54:10 LINUX RESTART (4 CPU) 05:55:01 PM tps rtps wtps bread/s bwrtn/s 05:56:01 PM 215.95 4.13 211.81 268.76 11669.67 05:57:01 PM 200.37 3.18 197.18 800.53 29562.51 05:58:01 PM 1069.19 95.08 974.10 1697.72 32497.42 05:59:01 PM 74.56 23.83 50.73 483.31 2465.00 Average: 389.99 31.55 358.44 812.56 19048.40 05:55:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:56:01 PM 12711856 14706648 3429676 21.25 2688 2200836 1554820 9.04 159960 2872480 232624 05:57:01 PM 11471192 14240032 4670340 28.93 2688 2949340 1780600 10.36 364440 3814560 92940 05:58:01 PM 10070440 13510468 6071092 37.61 2688 3435216 1832576 10.66 413796 4764720 6768 05:59:01 PM 11258564 14757956 4882968 30.25 2688 3489592 1188912 6.92 619456 3377572 36932 Average: 11378013 14303776 4763519 29.51 2688 3018746 1589227 9.25 389413 3707333 92316 05:55:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 PM eth0 272.49 216.80 3358.57 39.22 0.00 0.00 0.00 0.00 05:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 PM lo 6.35 6.35 5.27 5.27 0.00 0.00 0.00 0.00 05:57:01 PM eth0 336.99 221.31 3964.28 30.23 0.00 0.00 0.00 0.00 05:57:01 PM docker0 3.45 3.25 4.77 0.46 0.00 0.00 0.00 0.00 05:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 PM eth0 108.32 70.04 960.09 12.31 0.00 0.00 0.00 0.00 05:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 PM eth0 28.64 23.03 58.57 11.31 0.00 0.00 0.00 0.00 05:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.59 1.59 1.32 1.32 0.00 0.00 0.00 0.00 Average: eth0 186.61 132.79 2085.37 23.27 0.00 0.00 0.00 0.00 Average: docker0 0.86 0.81 1.19 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) 03/04/2026 _x86_64_ (4 CPU) 17:54:10 LINUX RESTART (4 CPU) 05:55:01 PM CPU %user %nice %system %iowait %steal %idle 05:56:01 PM all 25.52 0.00 2.49 1.76 0.10 70.12 05:56:01 PM 0 32.80 0.00 3.52 1.84 0.13 61.71 05:56:01 PM 1 27.32 0.00 2.17 1.19 0.10 69.22 05:56:01 PM 2 23.20 0.00 2.73 2.51 0.10 71.46 05:56:01 PM 3 18.73 0.00 1.56 1.51 0.08 78.12 05:57:01 PM all 48.59 0.09 4.39 2.81 0.15 43.96 05:57:01 PM 0 49.48 0.02 4.18 2.00 0.15 44.18 05:57:01 PM 1 49.06 0.05 3.53 1.48 0.15 45.73 05:57:01 PM 2 49.79 0.03 5.16 2.39 0.17 42.46 05:57:01 PM 3 46.05 0.27 4.67 5.38 0.13 43.49 05:58:01 PM all 28.86 0.00 9.32 9.75 0.15 51.92 05:58:01 PM 0 43.51 0.00 10.75 9.39 0.15 36.21 05:58:01 PM 1 20.46 0.00 9.46 11.54 0.15 58.38 05:58:01 PM 2 24.24 0.00 7.45 7.24 0.14 60.93 05:58:01 PM 3 27.13 0.00 9.62 10.83 0.15 52.27 05:59:01 PM all 36.06 0.00 2.03 0.42 0.10 61.40 05:59:01 PM 0 46.94 0.00 2.34 0.60 0.10 50.02 05:59:01 PM 1 27.26 0.00 2.06 0.12 0.10 70.47 05:59:01 PM 2 25.11 0.00 1.67 0.43 0.08 72.70 05:59:01 PM 3 44.91 0.00 2.04 0.53 0.10 52.42 Average: all 34.77 0.02 4.53 3.66 0.13 56.89 Average: 0 43.17 0.00 5.17 3.43 0.13 48.08 Average: 1 31.05 0.01 4.28 3.54 0.13 60.99 Average: 2 30.59 0.01 4.23 3.12 0.12 61.92 Average: 3 34.23 0.07 4.44 4.53 0.12 56.62