---> uname -a: Linux prd-centos8-docker-4c-4g-324.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 747 12248 19 2767 14680 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:03:3c:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.208/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe03:3cc3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:31:ee:d2:d0 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) 01/14/2026 _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 186.89 15.01 171.87 3202.53 10445.76 01:25:01 PM 184.12 6.22 177.90 1056.09 13636.71 01:26:01 PM 33.14 1.22 31.92 52.25 761.23 Average: 134.71 7.48 127.23 1436.88 8280.82 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12954248 14922760 3187284 19.75 2688 2176184 1310060 7.62 182700 2612716 122868 01:25:01 PM 11618432 13859036 4523100 28.02 2688 2443216 2307904 13.43 250644 3851792 2372 01:26:01 PM 12576204 15065240 3565328 22.09 2688 2690060 1115740 6.49 516536 2633612 264860 Average: 12382961 14615679 3758571 23.29 2688 2436487 1577901 9.18 316627 3032707 130033 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 133.58 106.40 1513.82 28.06 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 13.28 13.28 3.57 3.57 0.00 0.00 0.00 0.00 01:25:01 PM eth0 320.86 222.73 3737.51 45.24 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 16.19 16.19 2.54 2.54 0.00 0.00 0.00 0.00 01:26:01 PM eth0 71.34 74.24 277.21 933.10 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 9.83 9.83 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 175.26 134.45 1842.76 335.50 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) 01/14/2026 _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 25.72 0.00 2.26 2.38 0.08 69.55 01:24:01 PM 0 17.03 0.00 1.42 1.29 0.08 80.18 01:24:01 PM 1 18.30 0.00 1.74 2.16 0.08 77.71 01:24:01 PM 2 32.90 0.00 2.82 5.08 0.08 59.12 01:24:01 PM 3 34.68 0.00 3.06 1.02 0.08 61.16 01:25:01 PM all 49.42 0.00 1.78 2.00 0.10 46.69 01:25:01 PM 0 57.57 0.00 0.78 1.07 0.10 40.48 01:25:01 PM 1 55.96 0.00 1.64 1.39 0.10 40.91 01:25:01 PM 2 44.88 0.00 1.82 2.89 0.10 50.30 01:25:01 PM 3 39.26 0.00 2.89 2.64 0.10 55.10 01:26:01 PM all 16.39 0.00 1.27 0.31 0.06 81.97 01:26:01 PM 0 20.62 0.00 1.69 0.55 0.07 77.07 01:26:01 PM 1 14.85 0.00 0.59 0.03 0.05 84.48 01:26:01 PM 2 19.29 0.00 1.46 0.30 0.07 78.89 01:26:01 PM 3 10.82 0.00 1.35 0.35 0.07 87.41 Average: all 30.51 0.00 1.77 1.56 0.08 66.07 Average: 0 31.75 0.00 1.30 0.97 0.08 65.91 Average: 1 29.71 0.00 1.32 1.19 0.08 67.70 Average: 2 32.36 0.00 2.03 2.76 0.08 62.77 Average: 3 28.24 0.00 2.43 1.34 0.08 67.91