---> uname -a: Linux prd-centos8-docker-4c-4g-13386.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 10827 19 3921 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:53:ec:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.164/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86103sec preferred_lft 86103sec inet6 fe80::f816:3eff:fe53:ecf8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:36:8d:db 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::42:4dff:fe36:8ddb/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) 07/28/2026 _x86_64_ (4 CPU) 16:32:02 LINUX RESTART (4 CPU) 04:33:01 PM tps rtps wtps bread/s bwrtn/s 04:34:01 PM 253.10 5.86 247.23 745.35 16855.20 04:35:01 PM 205.91 2.15 203.77 500.77 32272.18 04:36:01 PM 1042.64 95.12 947.53 1697.98 25885.94 04:37:01 PM 94.10 24.84 69.26 546.88 3339.54 Average: 398.91 31.99 366.92 872.71 19587.95 04:33:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:34:01 PM 12180872 14385368 3958448 24.53 2688 2406760 1964120 11.43 185980 3354960 189072 04:35:01 PM 11033904 14164196 5105416 31.63 2688 3266968 1797848 10.46 352300 4179164 171636 04:36:01 PM 9372344 12965140 6766976 41.93 2688 3582492 1995964 11.61 401768 5440320 12 04:37:01 PM 11099500 14757236 5039820 31.23 2688 3640012 1210580 7.04 631592 3506484 24352 Average: 10921655 14067985 5217665 32.33 2688 3224058 1742128 10.14 392910 4120232 96268 04:33:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:34:01 PM eth0 335.45 257.63 3984.36 40.25 0.00 0.00 0.00 0.00 04:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:01 PM lo 6.40 6.40 4.52 4.52 0.00 0.00 0.00 0.00 04:35:01 PM eth0 505.01 299.37 3528.64 35.85 0.00 0.00 0.00 0.00 04:35:01 PM docker0 3.38 3.13 4.09 0.45 0.00 0.00 0.00 0.00 04:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 PM eth0 56.46 33.09 629.61 5.77 0.00 0.00 0.00 0.00 04:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 PM eth0 34.59 29.89 62.93 11.75 0.00 0.00 0.00 0.00 04:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.60 1.60 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 232.89 155.00 2051.44 23.40 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.78 1.02 0.11 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) 07/28/2026 _x86_64_ (4 CPU) 16:32:02 LINUX RESTART (4 CPU) 04:33:01 PM CPU %user %nice %system %iowait %steal %idle 04:34:01 PM all 30.32 0.00 2.42 1.27 0.09 65.90 04:34:01 PM 0 32.19 0.00 2.86 1.47 0.10 63.39 04:34:01 PM 1 33.14 0.00 2.44 1.20 0.10 63.11 04:34:01 PM 2 32.74 0.00 2.71 1.39 0.08 63.08 04:34:01 PM 3 23.20 0.00 1.69 1.00 0.08 74.02 04:35:01 PM all 40.35 0.08 5.61 1.15 0.10 52.71 04:35:01 PM 0 40.36 0.05 5.89 1.49 0.10 52.11 04:35:01 PM 1 40.25 0.08 4.52 1.11 0.08 53.94 04:35:01 PM 2 41.65 0.19 6.43 0.93 0.12 50.68 04:35:01 PM 3 39.14 0.02 5.58 1.05 0.10 54.12 04:36:01 PM all 31.34 0.00 6.98 7.23 0.09 54.35 04:36:01 PM 0 18.20 0.00 6.37 7.90 0.10 67.43 04:36:01 PM 1 37.26 0.00 6.87 7.74 0.10 48.03 04:36:01 PM 2 42.33 0.00 6.27 5.22 0.08 46.10 04:36:01 PM 3 27.52 0.00 8.42 8.07 0.08 55.90 04:37:01 PM all 33.21 0.00 2.30 0.42 0.08 63.99 04:37:01 PM 0 58.57 0.00 3.59 0.57 0.08 37.19 04:37:01 PM 1 19.99 0.00 1.84 0.47 0.07 77.64 04:37:01 PM 2 36.33 0.00 2.39 0.47 0.08 60.73 04:37:01 PM 3 17.94 0.00 1.37 0.17 0.10 80.42 Average: all 33.79 0.02 4.32 2.51 0.09 59.27 Average: 0 37.39 0.01 4.67 2.84 0.10 54.99 Average: 1 32.63 0.02 3.91 2.62 0.09 60.73 Average: 2 38.24 0.05 4.44 2.00 0.09 55.18 Average: 3 26.91 0.00 4.25 2.56 0.09 66.18