---> uname -a: Linux prd-centos8-docker-4c-4g-3116.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 777 12225 19 2759 14650 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:32:50:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.255/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86090sec preferred_lft 86090sec inet6 fe80::f816:3eff:fe32:50ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5f:5f:d9:dd 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) 03/19/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 94.50 6.11 88.39 918.63 5856.41 01:25:01 PM 251.22 16.12 235.10 3686.93 11528.04 01:26:01 PM 54.57 4.97 49.60 483.31 8220.93 01:27:01 PM 42.53 3.25 39.28 151.31 3289.49 Average: 110.72 7.61 103.11 1310.39 7224.42 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13341916 15090432 2799616 17.34 2688 1965084 1114812 6.49 137616 2312020 159408 01:25:01 PM 12522716 14728876 3618816 22.42 2688 2410400 1373816 7.99 201260 3013792 224964 01:26:01 PM 11549140 13781188 4592392 28.45 2688 2435360 2283520 13.28 249792 3927664 1104 01:27:01 PM 12546580 15029256 3594952 22.27 2688 2682856 1110264 6.46 520216 2661084 188380 Average: 12490088 14657438 3651444 22.62 2688 2373425 1470603 8.55 277221 2978640 143464 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 173.54 120.29 1086.17 20.33 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 414.59 308.89 4365.20 73.68 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 24.54 24.54 5.03 5.03 0.00 0.00 0.00 0.00 01:26:01 PM eth0 41.14 30.42 105.02 20.78 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 5.28 5.28 1.15 1.15 0.00 0.00 0.00 0.00 01:27:01 PM eth0 70.74 75.97 281.71 937.23 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 7.46 7.46 1.54 1.54 0.00 0.00 0.00 0.00 Average: eth0 175.04 133.92 1459.94 262.95 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) 03/19/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 15.45 0.00 1.60 1.27 0.11 81.58 01:24:01 PM 0 24.64 0.00 2.02 1.10 0.08 72.15 01:24:01 PM 1 2.78 0.00 0.95 2.14 0.17 93.96 01:24:01 PM 2 8.39 0.00 1.01 0.95 0.08 89.56 01:24:01 PM 3 25.98 0.00 2.41 0.87 0.10 70.63 01:25:01 PM all 26.92 0.00 2.72 5.87 0.16 64.33 01:25:01 PM 0 21.96 0.00 2.33 4.67 0.20 70.85 01:25:01 PM 1 24.12 0.00 3.00 6.73 0.13 66.01 01:25:01 PM 2 28.19 0.00 1.96 5.74 0.15 63.96 01:25:01 PM 3 33.47 0.00 3.60 6.35 0.14 56.45 01:26:01 PM all 42.60 0.00 1.12 0.60 0.13 55.55 01:26:01 PM 0 49.30 0.00 0.47 0.07 0.12 50.05 01:26:01 PM 1 41.35 0.00 1.79 1.10 0.15 55.61 01:26:01 PM 2 27.58 0.00 1.71 1.22 0.12 69.37 01:26:01 PM 3 52.16 0.00 0.52 0.00 0.12 47.21 01:27:01 PM all 18.64 0.00 1.64 0.88 0.09 78.75 01:27:01 PM 0 13.11 0.00 1.98 1.10 0.08 83.73 01:27:01 PM 1 26.32 0.00 1.25 1.62 0.08 70.72 01:27:01 PM 2 19.26 0.00 1.39 0.45 0.10 78.79 01:27:01 PM 3 15.88 0.00 1.93 0.35 0.08 81.76 Average: all 25.91 0.00 1.77 2.15 0.12 70.05 Average: 0 27.26 0.00 1.70 1.74 0.12 69.18 Average: 1 23.64 0.00 1.75 2.90 0.13 71.58 Average: 2 20.86 0.00 1.52 2.09 0.11 75.43 Average: 3 31.88 0.00 2.11 1.88 0.11 64.02