---> uname -a: Linux prd-centos8-docker-4c-4g-18845.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 818 12038 19 2904 14605 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:0d:05:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.176/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe0d:590/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ea:45:3b:9f 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 ---> 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) 01:25:16 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 153.44 14.66 138.78 3100.82 9121.10 01:28:01 AM 212.86 6.25 206.61 1079.91 18787.14 01:29:01 AM 28.90 0.92 27.98 68.26 568.42 Average: 131.74 7.28 124.46 1416.31 9492.73 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 12845952 14943356 3293368 20.41 2688 2304084 1487364 8.65 182500 2718108 262456 01:28:01 AM 11395968 13772288 4743352 29.39 2688 2577056 2318336 13.49 251248 4064412 2388 01:29:01 AM 12342392 14976584 3796928 23.53 2688 2832744 1203628 7.00 524520 2846920 271780 Average: 12194771 14564076 3944549 24.44 2688 2571295 1669776 9.71 319423 3209813 178875 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 182.82 129.48 2010.18 24.32 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 13.03 13.03 3.54 3.54 0.00 0.00 0.00 0.00 01:28:01 AM eth0 374.14 248.17 3801.86 55.28 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 16.01 16.01 2.54 2.54 0.00 0.00 0.00 0.00 01:29:01 AM eth0 70.59 60.09 279.89 35.81 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.68 9.68 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 209.19 145.92 2030.74 38.47 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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) 06/22/2026 _x86_64_ (4 CPU) 01:25:16 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 22.55 0.00 2.22 0.81 0.08 74.35 01:27:01 AM 0 15.97 0.00 1.77 0.25 0.07 81.94 01:27:01 AM 1 34.04 0.00 3.31 1.09 0.08 61.48 01:27:01 AM 2 29.61 0.00 2.88 1.46 0.07 65.99 01:27:01 AM 3 10.55 0.00 0.94 0.44 0.08 88.00 01:28:01 AM all 52.30 0.00 2.19 1.17 0.14 44.20 01:28:01 AM 0 49.62 0.00 2.93 1.02 0.13 46.30 01:28:01 AM 1 64.96 0.00 1.40 0.75 0.15 32.73 01:28:01 AM 2 32.27 0.00 3.22 1.57 0.12 62.82 01:28:01 AM 3 62.27 0.00 1.20 1.32 0.17 35.04 01:29:01 AM all 15.48 0.00 1.29 0.10 0.06 83.07 01:29:01 AM 0 21.64 0.00 1.34 0.12 0.07 76.84 01:29:01 AM 1 16.52 0.00 1.30 0.02 0.07 82.09 01:29:01 AM 2 13.12 0.00 1.81 0.27 0.05 84.76 01:29:01 AM 3 10.62 0.00 0.70 0.02 0.05 88.62 Average: all 30.11 0.00 1.90 0.69 0.09 67.21 Average: 0 29.07 0.00 2.01 0.46 0.09 68.37 Average: 1 38.52 0.00 2.00 0.62 0.10 58.76 Average: 2 25.00 0.00 2.63 1.10 0.08 71.19 Average: 3 27.83 0.00 0.95 0.59 0.10 70.53