---> uname -a: Linux prd-centos8-docker-4c-4g-1053.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 753 12247 19 2762 14674 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:5d:1d:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.114/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe5d:1da9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:7c:01:f4 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) 01/17/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 172.80 15.01 157.79 3099.78 10160.12 01:25:01 PM 201.37 6.27 195.10 1079.42 14838.48 01:26:01 PM 33.26 1.28 31.97 53.45 766.68 Average: 135.80 7.52 128.29 1411.00 8588.17 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13056064 15017788 3085468 19.12 2688 2170076 1228216 7.14 182376 2517764 151388 01:25:01 PM 11609804 13846432 4531728 28.07 2688 2439516 2234956 13.00 250244 3861592 2392 01:26:01 PM 12558384 15049048 3583148 22.20 2688 2691748 1104612 6.43 517236 2650148 270212 Average: 12408084 14637756 3733448 23.13 2688 2433780 1522595 8.86 316619 3009835 141331 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 133.27 106.33 1540.79 26.40 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 12.78 12.78 3.53 3.53 0.00 0.00 0.00 0.00 01:25:01 PM eth0 410.81 258.47 3773.39 56.78 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 16.06 16.06 2.54 2.54 0.00 0.00 0.00 0.00 01:26:01 PM eth0 64.48 71.64 272.24 935.04 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 9.61 9.61 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 202.84 145.47 1862.02 339.41 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) 01/17/2026 _x86_64_ (4 CPU) 13:22:20 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.87 0.00 2.26 1.95 0.08 69.84 01:24:01 PM 0 27.26 0.00 2.67 2.29 0.07 67.72 01:24:01 PM 1 16.13 0.00 1.57 1.92 0.10 80.28 01:24:01 PM 2 19.79 0.00 1.66 1.61 0.07 76.88 01:24:01 PM 3 40.30 0.00 3.14 1.97 0.08 54.50 01:25:01 PM all 50.68 0.00 1.90 2.34 0.10 44.97 01:25:01 PM 0 36.94 0.00 2.34 4.11 0.12 56.49 01:25:01 PM 1 60.47 0.00 1.09 1.64 0.08 36.72 01:25:01 PM 2 60.63 0.00 1.62 1.69 0.10 35.96 01:25:01 PM 3 44.69 0.00 2.56 1.92 0.10 50.73 01:26:01 PM all 16.84 0.00 1.40 0.11 0.06 81.58 01:26:01 PM 0 19.53 0.00 1.49 0.05 0.05 78.89 01:26:01 PM 1 10.65 0.00 1.14 0.13 0.07 88.01 01:26:01 PM 2 15.41 0.00 1.65 0.23 0.07 82.64 01:26:01 PM 3 21.77 0.00 1.32 0.03 0.07 76.81 Average: all 31.13 0.00 1.85 1.47 0.08 65.47 Average: 0 27.90 0.00 2.17 2.15 0.08 67.70 Average: 1 29.09 0.00 1.26 1.23 0.08 68.33 Average: 2 31.94 0.00 1.64 1.18 0.08 65.16 Average: 3 35.58 0.00 2.34 1.31 0.08 60.69