---> uname -a: Linux prd-centos8-docker-4c-4g-12554.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 12030 19 2912 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:1b:6c:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.192/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe1b:6c98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:91:7d:e0:d2 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) 07/26/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 186.14 15.09 171.04 3145.08 11223.44 01:25:01 PM 194.92 6.31 188.60 1081.37 17579.84 01:26:01 PM 32.84 1.47 31.38 91.85 750.21 Average: 137.97 7.63 130.35 1439.51 9851.67 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12799468 14909828 3339852 20.69 2688 2316440 1427596 8.31 186800 2756680 237600 01:25:01 PM 11305944 13691032 4833376 29.95 2688 2585724 2449324 14.25 254816 4150400 2372 01:26:01 PM 12354520 14989444 3784800 23.45 2688 2833564 1214268 7.06 525836 2836036 263312 Average: 12153311 14530101 3986009 24.70 2688 2578576 1697063 9.87 322484 3247705 167761 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 189.90 141.85 2144.29 30.21 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 13.10 13.10 3.55 3.55 0.00 0.00 0.00 0.00 01:25:01 PM eth0 417.43 272.36 3786.93 70.98 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 16.33 16.33 2.57 2.57 0.00 0.00 0.00 0.00 01:26:01 PM eth0 67.31 72.14 274.25 935.24 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 Average: lo 9.81 9.81 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 224.89 162.12 2068.59 345.44 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) 07/26/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.71 0.00 2.41 1.10 0.10 70.69 01:24:01 PM 0 20.17 0.00 2.00 1.24 0.10 76.49 01:24:01 PM 1 45.37 0.00 4.31 1.50 0.10 48.71 01:24:01 PM 2 14.83 0.00 1.53 0.97 0.10 82.57 01:24:01 PM 3 22.42 0.00 1.80 0.67 0.08 75.03 01:25:01 PM all 51.18 0.00 2.03 1.09 0.09 45.61 01:25:01 PM 0 60.10 0.00 1.97 1.64 0.10 36.19 01:25:01 PM 1 46.76 0.00 2.32 1.12 0.08 49.72 01:25:01 PM 2 58.24 0.00 1.00 0.43 0.08 40.24 01:25:01 PM 3 39.60 0.00 2.81 1.15 0.10 56.33 01:26:01 PM all 16.14 0.00 1.45 0.12 0.09 82.20 01:26:01 PM 0 12.57 0.00 1.54 0.20 0.10 85.58 01:26:01 PM 1 18.24 0.00 1.37 0.08 0.10 80.20 01:26:01 PM 2 19.40 0.00 1.61 0.07 0.08 78.84 01:26:01 PM 3 14.36 0.00 1.29 0.12 0.07 84.16 Average: all 31.03 0.00 1.96 0.77 0.09 66.15 Average: 0 30.97 0.00 1.84 1.03 0.10 66.06 Average: 1 36.81 0.00 2.67 0.90 0.09 59.52 Average: 2 30.86 0.00 1.38 0.49 0.09 67.18 Average: 3 25.47 0.00 1.97 0.65 0.08 71.83