---> uname -a: Linux prd-centos8-docker-4c-4g-11356.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 799 12064 19 2896 14624 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:58:ab:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe58:abcf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:78:2a:89 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) 08/11/2026 _x86_64_ (4 CPU) 13:23:09 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 250.19 14.81 235.38 3115.61 14225.31 01:26:01 PM 95.63 6.27 89.37 1080.49 11681.72 01:27:01 PM 27.23 1.70 25.53 124.11 624.33 Average: 124.35 7.59 116.76 1440.07 8843.79 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12495616 14788220 3643704 22.58 2688 2495364 1403468 8.17 192448 3037948 282372 01:26:01 PM 11482444 13852108 4656876 28.85 2688 2570388 2276704 13.25 255520 3975880 1712 01:27:01 PM 12362220 14984240 3777100 23.40 2688 2820496 1189792 6.92 531924 2822812 263784 Average: 12113427 14541523 4025893 24.94 2688 2628749 1623321 9.44 326631 3278880 182623 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 373.94 264.27 4465.00 44.50 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 22.26 22.26 4.56 4.56 0.00 0.00 0.00 0.00 01:26:01 PM eth0 111.53 77.10 612.36 35.10 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 7.43 7.43 1.57 1.57 0.00 0.00 0.00 0.00 01:27:01 PM eth0 71.90 78.79 274.69 926.39 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.90 9.90 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 185.79 140.05 1784.01 335.33 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) 08/11/2026 _x86_64_ (4 CPU) 13:23:09 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 27.32 0.00 2.88 2.52 0.11 67.17 01:25:01 PM 0 29.24 0.00 3.36 1.89 0.12 65.40 01:25:01 PM 1 23.86 0.00 2.80 2.55 0.10 70.70 01:25:01 PM 2 36.07 0.00 3.01 2.18 0.12 58.62 01:25:01 PM 3 20.09 0.00 2.35 3.47 0.10 73.99 01:26:01 PM all 50.37 0.00 1.50 0.94 0.10 47.07 01:26:01 PM 0 41.60 0.00 1.91 0.72 0.10 55.68 01:26:01 PM 1 37.89 0.00 2.75 2.60 0.12 56.65 01:26:01 PM 2 60.02 0.00 1.02 0.40 0.10 38.46 01:26:01 PM 3 61.93 0.00 0.35 0.07 0.10 37.55 01:27:01 PM all 17.40 0.00 1.45 0.14 0.07 80.93 01:27:01 PM 0 13.18 0.00 1.22 0.12 0.07 85.42 01:27:01 PM 1 21.45 0.00 1.22 0.05 0.07 77.21 01:27:01 PM 2 18.40 0.00 2.17 0.35 0.08 79.00 01:27:01 PM 3 16.59 0.00 1.20 0.05 0.07 82.09 Average: all 31.70 0.00 1.95 1.20 0.09 65.06 Average: 0 28.00 0.00 2.16 0.91 0.09 68.83 Average: 1 27.73 0.00 2.25 1.73 0.09 68.19 Average: 2 38.17 0.00 2.07 0.98 0.10 58.69 Average: 3 32.90 0.00 1.30 1.19 0.09 64.51