---> uname -a: Linux prd-centos8-docker-4c-4g-1447.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 814 12187 19 2761 14613 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:bc:dc:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.93/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:febc:dc0d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d3:f3:76:d6 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/19/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 214.41 14.95 199.47 3198.53 10486.97 01:25:01 PM 154.46 6.22 148.24 1056.09 13283.49 01:26:01 PM 37.60 1.22 36.39 52.25 1519.73 Average: 135.49 7.46 128.03 1435.55 8429.68 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12823268 14795780 3318264 20.56 2688 2178900 1379076 8.02 184068 2731468 126052 01:25:01 PM 11412008 13648472 4729524 29.30 2688 2439224 2464344 14.34 249812 4060148 1716 01:26:01 PM 12426372 14908092 3715160 23.02 2688 2682504 1228888 7.15 518816 2780156 238848 Average: 12220549 14450781 3920983 24.29 2688 2433543 1690769 9.84 317565 3190591 122205 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 146.49 123.30 1564.62 32.37 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 21.61 21.61 4.51 4.51 0.00 0.00 0.00 0.00 01:25:01 PM eth0 334.73 226.25 3687.56 53.26 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 7.66 7.66 1.60 1.60 0.00 0.00 0.00 0.00 01:26:01 PM eth0 73.88 77.06 274.02 926.82 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 9.76 9.76 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 185.03 142.20 1841.98 337.52 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/19/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.58 0.00 2.42 1.12 0.09 69.79 01:24:01 PM 0 38.31 0.00 3.72 2.31 0.08 55.58 01:24:01 PM 1 19.99 0.00 1.89 0.55 0.08 77.49 01:24:01 PM 2 19.18 0.00 1.44 0.55 0.10 78.73 01:24:01 PM 3 28.86 0.00 2.64 1.07 0.08 67.35 01:25:01 PM all 51.63 0.00 1.74 0.89 0.08 45.66 01:25:01 PM 0 61.31 0.00 1.52 1.19 0.08 35.90 01:25:01 PM 1 41.28 0.00 1.56 0.89 0.08 56.20 01:25:01 PM 2 45.48 0.00 2.07 0.89 0.08 51.47 01:25:01 PM 3 58.40 0.00 1.82 0.60 0.08 39.10 01:26:01 PM all 16.26 0.00 1.28 0.19 0.07 82.20 01:26:01 PM 0 25.72 0.00 1.17 0.07 0.07 72.98 01:26:01 PM 1 19.62 0.00 1.22 0.18 0.07 78.91 01:26:01 PM 2 12.64 0.00 1.29 0.15 0.07 85.86 01:26:01 PM 3 7.06 0.00 1.46 0.35 0.07 91.07 Average: all 31.49 0.00 1.82 0.73 0.08 65.88 Average: 0 41.78 0.00 2.13 1.19 0.08 54.82 Average: 1 26.96 0.00 1.55 0.54 0.08 70.87 Average: 2 25.77 0.00 1.60 0.53 0.08 72.02 Average: 3 31.46 0.00 1.97 0.67 0.08 65.82