---> uname -a: Linux prd-centos8-docker-4c-4g-18403.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: 2800.000 BogoMIPS: 5600.00 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 816 12185 19 2761 14612 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:22:e0:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.69/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe22:e0ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:40:68:f3:a4 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) 02/19/2026 _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 244.65 14.76 229.89 3195.87 13380.94 01:25:01 PM 127.09 6.21 120.88 1055.91 10287.40 01:26:01 PM 34.74 1.22 33.53 52.26 767.29 Average: 135.50 7.40 128.10 1434.76 8145.62 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12823404 14806556 3318128 20.56 2688 2189276 1381032 8.03 185392 2731064 56536 01:25:01 PM 11566264 13802920 4575268 28.34 2688 2439456 2260900 13.15 250076 3905928 1712 01:26:01 PM 12417624 14901120 3723908 23.07 2688 2684164 1234564 7.18 519008 2788488 262120 Average: 12269097 14503532 3872435 23.99 2688 2437632 1625499 9.46 318159 3141827 106789 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 152.57 131.59 1715.49 32.98 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 21.44 21.44 4.48 4.48 0.00 0.00 0.00 0.00 01:25:01 PM eth0 299.68 187.95 3525.58 44.45 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 7.72 7.72 1.60 1.60 0.00 0.00 0.00 0.00 01:26:01 PM eth0 74.75 81.72 275.88 928.66 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 9.72 9.72 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 175.67 133.76 1839.07 335.33 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) 02/19/2026 _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 25.60 0.00 2.44 1.38 0.10 70.47 01:24:01 PM 0 18.87 0.00 1.92 0.62 0.12 78.48 01:24:01 PM 1 32.63 0.00 3.21 1.84 0.12 62.21 01:24:01 PM 2 22.25 0.00 2.14 1.62 0.10 73.88 01:24:01 PM 3 28.65 0.00 2.51 1.45 0.08 67.31 01:25:01 PM all 50.99 0.00 1.73 0.85 0.10 46.33 01:25:01 PM 0 38.15 0.00 1.77 1.34 0.12 58.63 01:25:01 PM 1 58.11 0.00 1.29 0.10 0.08 40.41 01:25:01 PM 2 49.25 0.00 2.58 1.39 0.10 46.69 01:25:01 PM 3 58.43 0.00 1.27 0.58 0.10 39.61 01:26:01 PM all 15.95 0.00 1.24 0.13 0.08 82.60 01:26:01 PM 0 11.18 0.00 0.98 0.08 0.08 87.67 01:26:01 PM 1 27.48 0.00 1.28 0.07 0.07 71.10 01:26:01 PM 2 14.78 0.00 1.79 0.25 0.07 83.11 01:26:01 PM 3 10.36 0.00 0.92 0.10 0.08 88.54 Average: all 30.84 0.00 1.80 0.79 0.09 66.48 Average: 0 22.72 0.00 1.56 0.68 0.11 74.94 Average: 1 39.40 0.00 1.93 0.67 0.09 57.92 Average: 2 28.75 0.00 2.17 1.09 0.09 67.90 Average: 3 32.48 0.00 1.57 0.71 0.09 65.16