---> uname -a: Linux prd-centos8-docker-4c-4g-316.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 820 12171 19 2771 14607 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:e0:59:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.177/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fee0:5961/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:3b:e5: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) 02/27/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 191.07 15.01 176.06 3100.83 10560.76 01:25:01 PM 175.05 6.25 168.80 1079.55 13427.07 01:26:01 PM 36.70 1.28 35.42 53.45 892.05 Average: 134.28 7.51 126.77 1411.24 8293.86 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12843468 14817412 3298064 20.43 2688 2181940 1372100 7.98 182016 2725212 123764 01:25:01 PM 11412048 13657936 4729484 29.30 2688 2449068 2465572 14.34 249700 4063420 3052 01:26:01 PM 12452108 14945020 3689424 22.86 2688 2693880 1187412 6.91 517552 2757220 262036 Average: 12235875 14473456 3905657 24.20 2688 2441629 1675028 9.74 316423 3181951 129617 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 149.83 120.33 1566.83 29.57 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 13.92 13.92 3.60 3.60 0.00 0.00 0.00 0.00 01:25:01 PM eth0 323.32 225.73 3736.75 54.13 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 14.73 14.73 2.46 2.46 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.54 74.61 272.34 927.25 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 9.55 9.55 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 179.58 140.23 1858.85 336.95 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) 02/27/2026 _x86_64_ (4 CPU) 13:22:28 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.61 0.00 2.40 0.88 0.20 69.91 01:24:01 PM 0 36.93 0.00 3.27 1.10 0.22 58.48 01:24:01 PM 1 24.34 0.00 2.07 0.58 0.20 72.81 01:24:01 PM 2 27.04 0.00 2.49 1.05 0.20 69.21 01:24:01 PM 3 18.11 0.00 1.75 0.77 0.20 79.16 01:25:01 PM all 50.64 0.00 1.93 0.94 0.08 46.41 01:25:01 PM 0 42.87 0.00 2.65 0.85 0.08 53.54 01:25:01 PM 1 37.11 0.00 3.18 1.99 0.08 57.64 01:25:01 PM 2 60.24 0.00 0.95 0.62 0.08 38.11 01:25:01 PM 3 62.31 0.00 0.93 0.30 0.07 36.39 01:26:01 PM all 15.94 0.00 1.32 0.15 0.08 82.51 01:26:01 PM 0 13.87 0.00 1.44 0.33 0.10 84.26 01:26:01 PM 1 11.79 0.00 1.00 0.05 0.08 87.07 01:26:01 PM 2 18.91 0.00 1.19 0.13 0.07 79.70 01:26:01 PM 3 19.18 0.00 1.65 0.10 0.07 79.00 Average: all 31.06 0.00 1.88 0.66 0.12 66.28 Average: 0 31.23 0.00 2.46 0.76 0.13 65.42 Average: 1 24.41 0.00 2.08 0.87 0.12 72.51 Average: 2 35.40 0.00 1.54 0.60 0.12 62.34 Average: 3 33.21 0.00 1.45 0.39 0.11 64.84