---> uname -a: Linux prd-centos8-docker-4c-4g-558.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 801 12190 19 2771 14627 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:12:48:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.94/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe12:4869/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:3e:f3:9d 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) 02/28/2026 _x86_64_ (4 CPU) 13:23:38 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 298.93 21.13 277.80 4160.22 9132.53 01:26:01 PM 221.39 5.75 215.64 1040.45 15404.87 01:27:01 PM 25.84 0.47 25.37 15.46 1956.81 Average: 181.40 9.05 172.36 1725.19 8829.72 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12899896 14853188 3241636 20.08 2688 2163144 1394364 8.11 153840 2712724 195048 01:26:01 PM 11748160 13992992 4393372 27.22 2688 2448196 2109880 12.27 241124 3738116 48688 01:27:01 PM 11435336 13683368 4706196 29.16 2688 2451308 2392612 13.92 250356 4041576 1108 Average: 12027797 14176516 4113735 25.49 2688 2354216 1965619 11.43 215107 3497472 81615 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 118.62 95.97 1468.78 33.51 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 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 01:26:01 PM eth0 399.35 283.72 4014.80 52.60 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 26.92 26.92 5.24 5.24 0.00 0.00 0.00 0.00 01:27:01 PM eth0 35.79 26.59 17.88 21.61 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 9.47 9.47 1.80 1.80 0.00 0.00 0.00 0.00 Average: eth0 184.95 135.65 1835.86 35.92 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) 02/28/2026 _x86_64_ (4 CPU) 13:23:38 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 24.03 0.00 2.34 1.22 0.08 72.33 01:25:01 PM 0 18.37 0.00 1.43 0.54 0.07 79.59 01:25:01 PM 1 36.77 0.00 2.77 0.56 0.08 59.81 01:25:01 PM 2 19.62 0.00 1.79 0.53 0.07 78.00 01:25:01 PM 3 21.37 0.00 3.37 3.25 0.09 71.92 01:26:01 PM all 45.95 0.00 2.14 1.23 0.09 50.60 01:26:01 PM 0 40.75 0.00 1.69 1.35 0.10 56.11 01:26:01 PM 1 45.06 0.00 3.13 2.01 0.10 49.70 01:26:01 PM 2 50.77 0.00 1.62 0.87 0.08 46.66 01:26:01 PM 3 47.20 0.00 2.11 0.69 0.08 49.92 01:27:01 PM all 17.52 0.00 0.76 0.10 0.06 81.55 01:27:01 PM 0 12.22 0.00 0.75 0.18 0.07 86.78 01:27:01 PM 1 15.90 0.00 0.80 0.18 0.05 83.07 01:27:01 PM 2 20.72 0.00 0.87 0.02 0.07 78.33 01:27:01 PM 3 21.26 0.00 0.64 0.03 0.07 78.00 Average: all 29.19 0.00 1.74 0.85 0.08 68.14 Average: 0 23.80 0.00 1.29 0.69 0.08 74.14 Average: 1 32.54 0.00 2.23 0.92 0.08 64.23 Average: 2 30.43 0.00 1.42 0.47 0.07 67.60 Average: 3 30.00 0.00 2.03 1.31 0.08 66.58