---> uname -a: Linux prd-centos8-docker-4c-4g-17378.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 12185 19 2764 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:98:1b:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.228/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe98:1ba8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b5:20:5a:90 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) 02/16/2026 _x86_64_ (4 CPU) 13:23:52 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 415.71 81.66 334.06 11099.77 44219.98 01:26:01 PM 281.17 20.55 260.62 4235.96 16769.24 01:27:01 PM 24.18 0.52 23.67 16.52 3072.80 Average: 240.33 34.24 206.09 5116.90 21352.23 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13199956 15027364 2941576 18.22 2688 2039176 1191732 6.93 146736 2428368 231716 01:26:01 PM 11554440 13790512 4587092 28.42 2688 2439064 2500824 14.55 243128 3924896 79344 01:27:01 PM 12035400 14279292 4106132 25.44 2688 2446504 1878116 10.93 252456 3438632 6668 Average: 12263265 14365723 3878267 24.03 2688 2308248 1856891 10.80 214107 3263965 105909 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 322.46 194.12 1841.10 69.53 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 3.88 3.88 0.41 0.41 0.00 0.00 0.00 0.00 01:26:01 PM eth0 422.00 296.42 4321.52 61.16 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 25.32 25.32 5.69 5.69 0.00 0.00 0.00 0.00 01:27:01 PM eth0 34.99 27.78 22.97 22.05 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 9.74 9.74 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 259.78 172.75 2061.51 50.91 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) 02/16/2026 _x86_64_ (4 CPU) 13:23:52 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 27.98 0.00 4.53 2.90 0.08 64.50 01:25:01 PM 0 25.01 0.00 5.85 3.96 0.10 65.07 01:25:01 PM 1 30.63 0.00 4.57 4.35 0.08 60.36 01:25:01 PM 2 19.62 0.00 2.83 0.70 0.07 76.78 01:25:01 PM 3 36.67 0.00 4.87 2.58 0.07 55.82 01:26:01 PM all 54.13 0.00 2.70 1.67 0.11 41.39 01:26:01 PM 0 51.17 0.00 1.91 0.84 0.10 45.99 01:26:01 PM 1 48.08 0.00 3.28 1.79 0.12 46.73 01:26:01 PM 2 53.18 0.00 3.45 2.06 0.12 41.19 01:26:01 PM 3 64.09 0.00 2.16 1.99 0.10 31.67 01:27:01 PM all 17.08 0.00 0.85 0.08 0.07 81.93 01:27:01 PM 0 12.99 0.00 0.83 0.22 0.08 85.87 01:27:01 PM 1 12.91 0.00 1.17 0.05 0.07 85.81 01:27:01 PM 2 22.12 0.00 0.63 0.02 0.07 77.17 01:27:01 PM 3 20.28 0.00 0.77 0.02 0.07 78.87 Average: all 33.05 0.00 2.69 1.55 0.09 62.63 Average: 0 29.72 0.00 2.86 1.67 0.09 65.65 Average: 1 30.53 0.00 3.00 2.06 0.09 64.31 Average: 2 31.62 0.00 2.30 0.93 0.08 65.06 Average: 3 40.32 0.00 2.59 1.53 0.08 55.48