---> uname -a: Linux prd-centos8-docker-4c-4g-4377.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 780 12161 19 2821 14647 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:86:3c:69 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 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe86:3c69/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2f:e9:4d:e6 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) 04/21/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 152.22 20.86 131.36 4114.91 7952.64 01:25:01 PM 239.53 6.16 233.37 1054.67 18491.49 01:26:01 PM 24.95 0.05 24.90 1.07 1320.36 Average: 138.91 9.03 129.89 1723.48 9255.86 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12898140 14899288 3243392 20.09 2688 2211108 1372776 7.99 158720 2709556 267008 01:25:01 PM 11687260 13982200 4454272 27.60 2688 2498200 2156840 12.55 249200 3790156 31988 01:26:01 PM 12098984 14470560 4042548 25.04 2688 2574056 1669916 9.71 290428 3336472 75584 Average: 12228128 14450683 3913404 24.24 2688 2427788 1733177 10.08 232783 3278728 124860 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 145.79 105.65 1857.73 24.41 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 4.10 4.10 0.42 0.42 0.00 0.00 0.00 0.00 01:25:01 PM eth0 400.02 262.44 4035.31 58.58 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 25.23 25.23 5.69 5.69 0.00 0.00 0.00 0.00 01:26:01 PM eth0 46.61 41.48 256.55 23.56 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 9.78 9.78 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 197.50 136.53 2050.08 35.52 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) 04/21/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.74 0.00 2.46 1.09 0.11 73.60 01:24:01 PM 0 22.22 0.00 2.99 1.02 0.13 73.64 01:24:01 PM 1 39.87 0.00 3.77 1.52 0.12 54.72 01:24:01 PM 2 11.86 0.00 1.29 0.80 0.10 85.95 01:24:01 PM 3 17.02 0.00 1.79 1.02 0.10 80.06 01:25:01 PM all 51.27 0.00 2.31 2.07 0.14 44.21 01:25:01 PM 0 39.32 0.00 2.46 2.82 0.13 55.27 01:25:01 PM 1 52.45 0.00 2.68 2.03 0.15 42.69 01:25:01 PM 2 52.65 0.00 1.92 1.15 0.13 44.13 01:25:01 PM 3 60.65 0.00 2.18 2.30 0.13 34.74 01:26:01 PM all 15.71 0.00 0.82 0.14 0.09 83.24 01:26:01 PM 0 13.49 0.00 0.88 0.08 0.10 85.44 01:26:01 PM 1 14.07 0.00 0.74 0.17 0.08 84.95 01:26:01 PM 2 18.44 0.00 0.47 0.02 0.07 81.01 01:26:01 PM 3 16.86 0.00 1.19 0.28 0.10 81.57 Average: all 29.89 0.00 1.86 1.10 0.11 67.03 Average: 0 24.99 0.00 2.11 1.30 0.12 71.47 Average: 1 35.45 0.00 2.39 1.24 0.12 60.80 Average: 2 27.64 0.00 1.23 0.66 0.10 70.38 Average: 3 31.49 0.00 1.72 1.20 0.11 65.48