---> uname -a: Linux prd-centos8-docker-4c-4g-1832.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: 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): 0-3 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 795 11855 19 3111 14621 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:aa:d6:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.61/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85947sec preferred_lft 85947sec inet6 fe80::f816:3eff:feaa:d663/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:2c:0b:d1 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:ddff:fe2c:bd1/64 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) 03/31/2026 _x86_64_ (4 CPU) 13:04:52 LINUX RESTART (4 CPU) 01:05:01 PM tps rtps wtps bread/s bwrtn/s 01:06:01 PM 218.99 94.47 124.53 11352.35 40042.52 01:07:01 PM 230.67 18.81 211.85 3843.22 13293.72 01:08:02 PM 105.38 3.05 102.33 293.59 8518.94 01:09:01 PM 23.10 0.00 23.10 0.00 6489.05 01:10:01 PM 3.15 1.80 1.35 56.52 303.10 01:11:01 PM 85.12 1.67 83.46 525.42 16328.54 01:12:01 PM 25.00 0.42 24.58 56.12 924.03 Average: 98.97 17.22 81.76 2309.65 12285.91 01:05:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:06:01 PM 13528740 15110972 2612784 16.19 2688 1807892 1160516 6.75 145124 2151144 69292 01:07:01 PM 12591832 14726636 3549692 21.99 2688 2341096 1389020 8.08 173632 2970408 174252 01:08:02 PM 10908640 13284432 5232884 32.42 2688 2577748 2759236 16.05 262688 4547940 183576 01:09:01 PM 10513948 12893772 5627576 34.86 2688 2581632 3013060 17.53 262796 4941248 924 01:10:01 PM 9594112 11984172 6547412 40.56 2688 2591512 3875036 22.54 266684 5853536 796 01:11:01 PM 8822136 11645084 7319388 45.35 2688 3013768 6636192 38.60 405752 6428432 48 01:12:01 PM 12172796 15002072 3968728 24.59 2688 3019608 1163972 6.77 584380 2924816 24892 Average: 11161743 13521020 4979781 30.85 2688 2561894 2856719 16.62 300151 4259646 64826 01:05:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 PM eth0 313.01 185.72 1124.28 66.95 0.00 0.00 0.00 0.00 01:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 PM eth0 241.97 195.42 2963.16 32.90 0.00 0.00 0.00 0.00 01:07:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:08:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:08:02 PM eth0 255.77 180.84 3421.40 28.15 0.00 0.00 0.00 0.00 01:08:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:09:01 PM eth0 20.98 15.81 4.68 27.61 0.00 0.00 0.00 0.00 01:09:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 PM eth0 22.13 19.56 4.90 18.12 0.00 0.00 0.00 0.00 01:10:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:11:01 PM lo 15.73 15.73 27.09 27.09 0.00 0.00 0.00 0.00 01:11:01 PM eth0 198.73 110.41 2827.92 10.91 0.00 0.00 0.00 0.00 01:11:01 PM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 01:11:01 PM veth474faa3 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 01:11:01 PM br-cf752aecd148 6.03 5.86 25.63 0.95 0.00 0.00 0.00 0.00 01:11:01 PM veth6c27717 11.33 12.15 26.59 26.65 0.00 0.00 0.00 0.00 01:12:01 PM lo 1.85 1.85 0.09 0.09 0.00 0.00 0.00 0.00 01:12:01 PM eth0 17.96 13.93 12.67 6.99 0.00 0.00 0.00 0.00 01:12:01 PM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.52 2.52 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 153.27 103.33 1483.67 27.38 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 03/31/2026 _x86_64_ (4 CPU) 13:04:52 LINUX RESTART (4 CPU) 01:05:01 PM CPU %user %nice %system %iowait %steal %idle 01:06:01 PM all 21.43 0.00 3.80 11.75 0.10 62.92 01:06:01 PM 0 28.22 0.00 4.93 6.99 0.12 59.75 01:06:01 PM 1 20.45 0.00 2.57 3.26 0.08 73.63 01:06:01 PM 2 15.82 0.00 3.76 21.02 0.10 59.29 01:06:01 PM 3 21.20 0.00 3.93 15.75 0.10 59.02 01:07:01 PM all 26.09 0.00 3.15 2.08 0.13 68.55 01:07:01 PM 0 24.54 0.00 2.00 0.63 0.10 72.73 01:07:01 PM 1 33.28 0.00 4.53 2.74 0.15 59.30 01:07:01 PM 2 12.34 0.00 2.62 2.70 0.13 82.21 01:07:01 PM 3 34.17 0.00 3.46 2.27 0.12 59.98 01:08:02 PM all 64.53 0.00 2.20 0.70 0.16 32.40 01:08:02 PM 0 69.54 0.00 2.02 0.85 0.17 27.42 01:08:02 PM 1 60.54 0.00 1.76 0.62 0.15 36.94 01:08:02 PM 2 65.89 0.00 3.12 0.40 0.17 30.41 01:08:02 PM 3 62.15 0.00 1.90 0.94 0.17 34.85 01:09:01 PM all 23.30 0.00 0.47 0.31 0.08 75.83 01:09:01 PM 0 19.31 0.00 0.51 0.07 0.08 80.03 01:09:01 PM 1 26.45 0.00 0.37 0.22 0.08 72.87 01:09:01 PM 2 23.25 0.00 0.59 0.54 0.10 75.51 01:09:01 PM 3 24.21 0.00 0.41 0.42 0.07 74.89 01:10:01 PM all 34.84 0.00 0.74 0.13 0.10 64.18 01:10:01 PM 0 69.76 0.00 1.50 0.52 0.13 28.09 01:10:01 PM 1 27.56 0.00 0.30 0.00 0.08 72.05 01:10:01 PM 2 23.34 0.00 0.69 0.02 0.10 75.86 01:10:01 PM 3 18.62 0.00 0.49 0.00 0.08 80.81 01:11:01 PM all 30.33 0.00 3.30 1.77 0.13 64.47 01:11:01 PM 0 32.10 0.00 3.46 0.42 0.13 63.89 01:11:01 PM 1 30.16 0.00 3.14 1.88 0.13 64.68 01:11:01 PM 2 24.49 0.00 3.79 2.01 0.13 69.58 01:11:01 PM 3 34.56 0.00 2.79 2.77 0.12 59.76 01:12:01 PM all 22.69 0.00 1.27 0.23 0.08 75.74 01:12:01 PM 0 27.73 0.00 1.57 0.13 0.08 70.48 01:12:01 PM 1 20.20 0.00 0.90 0.37 0.08 78.44 01:12:01 PM 2 20.99 0.00 1.39 0.17 0.07 77.39 01:12:01 PM 3 21.83 0.00 1.20 0.25 0.08 76.63 Average: all 31.91 0.00 2.13 2.43 0.11 63.41 Average: 0 38.79 0.00 2.29 1.37 0.12 57.43 Average: 1 31.25 0.00 1.94 1.30 0.11 65.40 Average: 2 26.61 0.00 2.28 3.84 0.12 67.15 Average: 3 30.99 0.00 2.03 3.20 0.11 63.68