---> uname -a: Linux prd-centos8-docker-4c-4g-421.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 1012 10824 19 3923 14399 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:2c:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.157/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe8d:2cc2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:87:c7:1c 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::42:87ff:fe87:c71c/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) 06/22/2026 _x86_64_ (4 CPU) 12:30:07 LINUX RESTART (4 CPU) 12:31:01 PM tps rtps wtps bread/s bwrtn/s 12:32:01 PM 239.24 5.75 233.49 751.87 14159.02 12:33:01 PM 237.60 2.27 235.34 503.43 36937.27 12:34:01 PM 966.50 95.12 871.38 1697.68 24443.13 Average: 481.16 34.38 446.77 984.38 25180.38 12:31:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:32:01 PM 12251860 14452908 3887460 24.09 2688 2403832 1635288 9.51 183864 3286984 255376 12:33:01 PM 10661988 14061500 5477332 33.94 2688 3495764 1858552 10.81 353720 4468072 366116 12:34:01 PM 8986296 12581760 7153024 44.32 2688 3585056 1972524 11.48 403872 5835656 8 Average: 10633381 13698723 5505939 34.12 2688 3161551 1822121 10.60 313819 4530237 207167 12:31:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 388.87 283.05 3952.13 42.77 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM lo 6.05 6.05 4.51 4.51 0.00 0.00 0.00 0.00 12:33:01 PM eth0 361.48 238.07 4159.75 40.61 0.00 0.00 0.00 0.00 12:33:01 PM docker0 3.30 3.22 4.08 0.46 0.00 0.00 0.00 0.00 12:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 PM eth0 17.29 9.23 61.58 1.09 0.00 0.00 0.00 0.00 12:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.02 2.02 1.50 1.50 0.00 0.00 0.00 0.00 Average: eth0 255.86 176.77 2724.27 28.15 0.00 0.00 0.00 0.00 Average: docker0 1.10 1.07 1.36 0.15 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) 06/22/2026 _x86_64_ (4 CPU) 12:30:07 LINUX RESTART (4 CPU) 12:31:01 PM CPU %user %nice %system %iowait %steal %idle 12:32:01 PM all 30.56 0.00 2.44 1.38 0.10 65.52 12:32:01 PM 0 25.39 0.00 2.09 0.97 0.10 71.45 12:32:01 PM 1 34.55 0.00 3.30 1.17 0.10 60.88 12:32:01 PM 2 37.46 0.00 2.37 0.80 0.10 59.26 12:32:01 PM 3 24.83 0.00 1.99 2.60 0.10 70.48 12:33:01 PM all 44.53 0.09 7.15 1.35 0.12 46.76 12:33:01 PM 0 46.64 0.19 7.25 2.23 0.12 43.58 12:33:01 PM 1 43.26 0.00 8.47 1.34 0.12 46.81 12:33:01 PM 2 44.76 0.02 6.45 0.51 0.12 48.15 12:33:01 PM 3 43.45 0.17 6.42 1.34 0.12 48.51 12:34:01 PM all 33.04 0.00 5.77 7.30 0.11 53.78 12:34:01 PM 0 48.57 0.00 5.91 6.73 0.10 38.69 12:34:01 PM 1 37.69 0.00 5.47 6.40 0.12 50.33 12:34:01 PM 2 17.89 0.00 5.98 7.99 0.12 68.02 12:34:01 PM 3 27.94 0.00 5.74 8.10 0.10 58.13 Average: all 36.01 0.03 5.11 3.35 0.11 55.39 Average: 0 40.16 0.06 5.07 3.31 0.11 51.30 Average: 1 38.48 0.00 5.74 2.97 0.11 52.70 Average: 2 33.38 0.01 4.92 3.09 0.11 58.49 Average: 3 32.03 0.06 4.70 4.01 0.11 59.09