---> uname -a: Linux prd-centos8-docker-4c-4g-11391.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1520 10465 19 3775 13891 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:e4:1f:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.190/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85897sec preferred_lft 85897sec inet6 fe80::f816:3eff:fee4:1f83/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:65:96:84:23 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::42:65ff:fe96:8423/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/13/2026 _x86_64_ (4 CPU) 00:33:15 LINUX RESTART (4 CPU) 12:34:03 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 148.73 15.29 133.44 3236.55 11396.71 12:36:01 AM 204.95 7.50 197.45 1042.89 30740.01 12:37:01 AM 46.65 0.00 46.65 0.00 7594.05 12:38:01 AM 12.33 0.00 12.33 0.00 590.87 12:39:01 AM 9.75 2.70 7.05 161.71 296.88 12:40:01 AM 81.72 0.67 81.06 427.19 18337.47 12:41:01 AM 29.64 2.42 27.22 76.89 2155.79 Average: 75.90 4.03 71.88 694.31 10152.66 12:34:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 12356208 14907992 3783112 23.44 2688 2758148 1290828 7.51 183160 3204404 660528 12:36:01 AM 11455416 14291516 4683904 29.02 2688 3035732 1719632 10.00 265808 3992204 45636 12:37:01 AM 9920480 12935968 6218840 38.53 2688 3213260 3383736 19.69 286876 5494500 8728 12:38:01 AM 9489024 12510364 6650296 41.21 2688 3218936 3247176 18.89 293732 5919136 1944 12:39:01 AM 8518116 11551860 7621204 47.22 2688 3230760 4241004 24.67 303628 6874060 1900 12:40:01 AM 7925844 11387544 8213476 50.89 2688 3648504 5177472 30.12 425052 7299168 984 12:41:01 AM 10796052 14301876 5343268 33.11 2688 3692408 2282840 13.28 501820 4364964 1620 Average: 10065877 13126731 6073443 37.63 2688 3256821 3048955 17.74 322868 5306919 103049 12:34:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 464.39 207.50 9538.42 26.31 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 270.45 217.78 3775.02 34.94 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 148.90 104.83 2800.37 10.76 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 214.28 144.21 63.35 77.78 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 2.30 2.30 0.32 0.32 0.00 0.00 0.00 0.00 12:39:01 AM eth0 176.34 111.61 53.54 53.13 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM lo 13.88 13.88 27.16 27.16 0.00 0.00 0.00 0.00 12:40:01 AM eth0 138.40 97.77 2823.86 8.70 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.22 0.32 0.01 0.03 0.00 0.00 0.00 0.00 12:40:01 AM veth0b9b0c7 0.22 0.47 0.01 0.04 0.00 0.00 0.00 0.00 12:40:01 AM br-55445cf51661 5.66 5.48 25.61 0.93 0.00 0.00 0.00 0.00 12:41:01 AM lo 0.48 0.48 0.02 0.02 0.00 0.00 0.00 0.00 12:41:01 AM eth0 282.59 170.73 628.54 212.97 0.00 0.00 0.00 0.00 12:41:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.39 2.39 3.95 3.95 0.00 0.00 0.00 0.00 Average: eth0 241.13 150.36 2779.59 60.82 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/13/2026 _x86_64_ (4 CPU) 00:33:15 LINUX RESTART (4 CPU) 12:34:03 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 21.66 0.00 2.20 0.88 0.07 75.19 12:35:01 AM 0 30.02 0.00 3.01 1.00 0.07 65.91 12:35:01 AM 1 33.12 0.00 3.41 0.85 0.09 62.54 12:35:01 AM 2 11.19 0.00 1.27 1.39 0.09 86.06 12:35:01 AM 3 12.24 0.00 1.11 0.28 0.05 86.32 12:36:01 AM all 46.87 0.00 1.98 1.92 0.10 49.13 12:36:01 AM 0 43.19 0.00 2.05 1.19 0.10 53.47 12:36:01 AM 1 47.54 0.00 2.53 2.33 0.10 47.51 12:36:01 AM 2 49.94 0.00 1.62 2.63 0.10 45.70 12:36:01 AM 3 46.82 0.00 1.72 1.55 0.08 49.82 12:37:01 AM all 25.40 0.00 0.73 0.32 0.05 73.49 12:37:01 AM 0 29.35 0.00 0.73 0.13 0.03 69.75 12:37:01 AM 1 18.24 0.00 0.75 0.47 0.05 80.49 12:37:01 AM 2 23.75 0.00 0.60 0.37 0.05 75.23 12:37:01 AM 3 30.28 0.00 0.85 0.32 0.07 68.49 12:38:01 AM all 31.26 0.00 1.37 0.04 0.07 67.27 12:38:01 AM 0 32.32 0.00 0.98 0.13 0.07 66.49 12:38:01 AM 1 31.03 0.00 1.50 0.00 0.07 67.40 12:38:01 AM 2 26.44 0.00 1.49 0.00 0.07 72.01 12:38:01 AM 3 35.23 0.00 1.50 0.03 0.07 63.16 12:39:01 AM all 29.87 0.00 1.18 0.05 0.08 68.81 12:39:01 AM 0 23.71 0.00 0.90 0.02 0.07 75.30 12:39:01 AM 1 53.67 0.00 1.70 0.17 0.10 44.36 12:39:01 AM 2 20.75 0.00 1.30 0.00 0.08 77.86 12:39:01 AM 3 21.36 0.00 0.82 0.03 0.07 77.72 12:40:01 AM all 24.02 0.00 3.41 0.78 0.09 71.70 12:40:01 AM 0 22.63 0.00 3.55 0.84 0.08 72.90 12:40:01 AM 1 30.07 0.00 3.36 0.59 0.10 65.88 12:40:01 AM 2 21.68 0.00 2.89 1.11 0.07 74.26 12:40:01 AM 3 21.68 0.00 3.87 0.57 0.12 73.76 12:41:01 AM all 39.09 0.00 1.35 0.13 0.08 59.36 12:41:01 AM 0 40.06 0.00 1.77 0.20 0.10 57.87 12:41:01 AM 1 52.32 0.00 1.44 0.02 0.07 46.16 12:41:01 AM 2 36.17 0.00 1.17 0.20 0.08 62.37 12:41:01 AM 3 27.78 0.00 1.02 0.08 0.07 71.05 Average: all 31.22 0.00 1.74 0.59 0.08 66.38 Average: 0 31.63 0.00 1.85 0.50 0.07 65.95 Average: 1 38.03 0.00 2.09 0.63 0.08 59.17 Average: 2 27.22 0.00 1.48 0.81 0.08 70.42 Average: 3 27.99 0.00 1.56 0.41 0.07 69.97