---> uname -a: Linux prd-centos8-docker-4c-4g-3971.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 756 12244 19 2762 14671 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:a5:e7:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.143/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86087sec preferred_lft 86087sec inet6 fe80::f816:3eff:fea5:e7e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:79:d5:50:a0 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) 03/22/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 133.71 19.26 114.45 5415.53 5760.53 01:25:01 PM 233.04 14.85 218.19 3195.33 11934.86 01:26:01 PM 100.47 6.22 94.25 1056.09 9295.32 01:27:01 PM 33.82 2.90 30.92 103.70 737.87 Average: 125.26 10.81 114.45 2442.72 6932.04 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13273300 15031208 2868232 17.77 2688 1975624 1209648 7.04 175392 2347536 197776 01:25:01 PM 12711808 14860880 3429724 21.25 2688 2355012 1340784 7.80 186536 2843072 207648 01:26:01 PM 11480612 13715252 4660920 28.88 2688 2437992 2392768 13.92 250140 3994312 2380 01:27:01 PM 12538464 15022084 3603068 22.32 2688 2684904 1150988 6.70 346216 2844096 262028 Average: 12501046 14657356 3640486 22.55 2688 2363383 1523547 8.86 239571 3007254 167458 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 305.98 185.84 1571.74 64.70 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 316.81 239.87 3846.69 41.11 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 13.21 13.21 3.56 3.56 0.00 0.00 0.00 0.00 01:26:01 PM eth0 116.36 86.75 739.57 26.15 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 15.84 15.84 2.52 2.52 0.00 0.00 0.00 0.00 01:27:01 PM eth0 81.96 75.92 275.69 932.38 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 7.26 7.26 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 205.28 147.10 1608.46 266.10 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) 03/22/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.84 0.00 2.59 2.26 0.10 73.20 01:24:01 PM 0 21.86 0.00 2.64 3.31 0.13 72.06 01:24:01 PM 1 18.08 0.00 1.56 1.32 0.08 78.95 01:24:01 PM 2 21.95 0.00 2.95 3.08 0.08 71.93 01:24:01 PM 3 25.47 0.00 3.21 1.32 0.12 69.88 01:25:01 PM all 24.46 0.00 2.67 2.25 0.13 70.49 01:25:01 PM 0 24.89 0.00 2.67 2.09 0.13 70.21 01:25:01 PM 1 20.53 0.00 2.01 2.04 0.15 75.27 01:25:01 PM 2 20.79 0.00 2.81 2.85 0.12 73.43 01:25:01 PM 3 31.68 0.00 3.19 2.02 0.12 62.99 01:26:01 PM all 55.15 0.00 1.71 1.73 0.15 41.26 01:26:01 PM 0 65.75 0.00 0.74 0.45 0.13 32.93 01:26:01 PM 1 34.51 0.00 2.34 2.86 0.18 60.10 01:26:01 PM 2 52.27 0.00 3.04 3.05 0.13 41.51 01:26:01 PM 3 68.04 0.00 0.72 0.57 0.13 30.54 01:27:01 PM all 16.71 0.00 1.36 0.20 0.09 81.64 01:27:01 PM 0 16.53 0.00 1.12 0.25 0.12 81.98 01:27:01 PM 1 19.12 0.00 1.51 0.35 0.08 78.93 01:27:01 PM 2 11.69 0.00 0.99 0.07 0.08 87.17 01:27:01 PM 3 19.50 0.00 1.81 0.13 0.08 78.48 Average: all 29.55 0.00 2.08 1.61 0.12 66.64 Average: 0 32.28 0.00 1.79 1.52 0.13 64.28 Average: 1 23.07 0.00 1.85 1.64 0.13 73.31 Average: 2 26.66 0.00 2.45 2.26 0.10 68.53 Average: 3 36.18 0.00 2.23 1.01 0.11 60.47