---> uname -a: Linux prd-centos8-docker-4c-4g-5718.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 2763 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:d5:c6:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.186/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fed5:c6f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f2:36:4a:29 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) 02/06/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 283.81 18.66 265.15 4015.46 12822.34 01:26:01 PM 41.01 2.38 38.63 235.69 7983.75 01:27:01 PM 57.30 1.43 55.86 91.17 9166.34 Average: 127.39 7.49 119.89 1447.65 9991.08 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11802208 14029512 4339324 26.88 2688 2430420 2048100 11.91 224916 3700804 228740 01:26:01 PM 11316080 13554080 4825452 29.89 2688 2440752 2511364 14.61 249848 4156532 900 01:27:01 PM 12504736 14990688 3636796 22.53 2688 2686116 1147468 6.68 521300 2699412 23184 Average: 11874341 14191427 4267191 26.44 2688 2519096 1902311 11.07 332021 3518916 84275 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 440.93 281.93 4490.28 71.40 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 25.16 25.16 5.08 5.08 0.00 0.00 0.00 0.00 01:26:01 PM eth0 18.40 11.41 7.22 15.38 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 3.85 3.85 1.00 1.00 0.00 0.00 0.00 0.00 01:27:01 PM eth0 70.48 75.69 279.68 934.58 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 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 176.62 123.03 1592.64 340.46 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) 02/06/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 40.02 0.00 2.89 2.18 0.12 54.81 01:25:01 PM 0 38.28 0.00 2.29 1.99 0.12 57.32 01:25:01 PM 1 39.72 0.00 2.94 2.29 0.12 54.93 01:25:01 PM 2 47.61 0.00 3.39 2.08 0.12 46.80 01:25:01 PM 3 34.46 0.00 2.92 2.35 0.12 60.15 01:26:01 PM all 28.24 0.00 0.73 0.34 0.11 70.58 01:26:01 PM 0 15.68 0.00 1.20 0.74 0.12 82.26 01:26:01 PM 1 35.25 0.00 0.27 0.03 0.12 64.33 01:26:01 PM 2 26.52 0.00 1.22 0.57 0.12 71.58 01:26:01 PM 3 35.46 0.00 0.25 0.02 0.08 64.19 01:27:01 PM all 22.61 0.00 2.07 0.54 0.09 74.68 01:27:01 PM 0 21.76 0.00 2.05 0.08 0.13 75.98 01:27:01 PM 1 24.66 0.00 2.17 1.51 0.08 71.58 01:27:01 PM 2 31.57 0.00 2.31 0.45 0.08 65.59 01:27:01 PM 3 12.46 0.00 1.76 0.13 0.07 85.58 Average: all 30.29 0.00 1.90 1.02 0.11 66.69 Average: 0 25.24 0.00 1.85 0.94 0.12 71.85 Average: 1 33.22 0.00 1.79 1.28 0.11 63.60 Average: 2 35.21 0.00 2.30 1.03 0.11 61.34 Average: 3 27.47 0.00 1.64 0.83 0.09 69.97