---> uname -a: Linux prd-centos8-docker-4c-4g-10089.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 802 12059 19 2899 14621 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:41:c1:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.215/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe41:c1f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:39:ee:02:c8 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) 08/10/2026 _x86_64_ (4 CPU) 15:09:03 LINUX RESTART (4 CPU) 03:10:01 PM tps rtps wtps bread/s bwrtn/s 03:11:01 PM 252.23 14.84 237.40 3160.71 17393.87 03:12:01 PM 96.48 6.32 90.17 1081.55 9823.76 03:13:01 PM 37.64 1.65 35.99 123.05 9246.79 Average: 128.82 7.60 121.22 1455.58 12156.26 03:10:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:11:01 PM 12493628 14785640 3645692 22.59 2688 2495068 1395064 8.12 191172 3040972 225232 03:12:01 PM 11313424 13685500 4825896 29.90 2688 2572796 2433212 14.16 254224 4143900 1708 03:13:01 PM 12331948 14956728 3807372 23.59 2688 2822892 1202168 6.99 530584 2851160 7384 Average: 12046333 14475956 4092987 25.36 2688 2630252 1676815 9.76 325327 3345344 78108 03:10:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 PM eth0 341.48 261.75 4427.30 43.36 0.00 0.00 0.00 0.00 03:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 PM lo 21.80 21.80 4.53 4.53 0.00 0.00 0.00 0.00 03:12:01 PM eth0 109.70 83.62 645.68 36.24 0.00 0.00 0.00 0.00 03:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 PM lo 7.17 7.17 1.55 1.55 0.00 0.00 0.00 0.00 03:13:01 PM eth0 63.82 70.52 270.93 925.01 0.00 0.00 0.00 0.00 03:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.65 9.65 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 171.71 138.67 1782.04 334.79 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) 08/10/2026 _x86_64_ (4 CPU) 15:09:03 LINUX RESTART (4 CPU) 03:10:01 PM CPU %user %nice %system %iowait %steal %idle 03:11:01 PM all 26.55 0.00 2.80 1.25 0.08 69.32 03:11:01 PM 0 21.44 0.00 1.52 0.57 0.08 76.39 03:11:01 PM 1 15.23 0.00 3.36 2.35 0.08 78.98 03:11:01 PM 2 18.94 0.00 1.97 1.04 0.07 77.98 03:11:01 PM 3 50.56 0.00 4.35 1.04 0.10 43.96 03:12:01 PM all 48.79 0.00 1.45 0.48 0.09 49.19 03:12:01 PM 0 60.54 0.00 0.32 0.00 0.08 39.06 03:12:01 PM 1 42.52 0.00 2.19 0.27 0.10 54.92 03:12:01 PM 2 58.90 0.00 0.85 0.25 0.08 39.92 03:12:01 PM 3 33.14 0.00 2.44 1.41 0.10 62.91 03:13:01 PM all 17.82 0.00 1.43 0.27 0.08 80.39 03:13:01 PM 0 24.92 0.00 1.77 0.27 0.10 72.95 03:13:01 PM 1 10.65 0.00 1.14 0.72 0.07 87.43 03:13:01 PM 2 16.66 0.00 1.09 0.02 0.08 82.15 03:13:01 PM 3 19.06 0.00 1.74 0.08 0.08 79.03 Average: all 31.06 0.00 1.89 0.67 0.09 66.30 Average: 0 35.64 0.00 1.20 0.28 0.09 62.79 Average: 1 22.80 0.00 2.23 1.11 0.08 73.78 Average: 2 31.51 0.00 1.30 0.43 0.08 66.67 Average: 3 34.25 0.00 2.84 0.84 0.09 61.97