---> uname -a: Linux prd-centos8-docker-4c-4g-781.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 757 12242 19 2764 14670 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:66:ac:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.115/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe66:ac24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d2:0a:52:49 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) 01/16/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 158.55 15.18 143.37 3207.06 10074.86 01:25:02 PM 214.16 6.17 208.00 1055.02 14863.92 01:26:01 PM 25.06 0.51 24.55 17.35 651.32 Average: 133.19 7.32 125.86 1434.37 8573.68 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12916028 14865820 3225504 19.98 2688 2158848 1349916 7.85 153848 2683024 138892 01:25:02 PM 11428632 13666548 4712900 29.20 2688 2440640 2619096 15.24 249640 4044628 8860 01:26:01 PM 12573368 15052064 3568164 22.11 2688 2680524 1127600 6.56 343508 2810956 240140 Average: 12306009 14528144 3835523 23.76 2688 2426671 1698871 9.88 248999 3179536 129297 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 128.86 101.05 1511.96 24.59 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 01:25:02 PM lo 11.78 11.78 3.42 3.42 0.00 0.00 0.00 0.00 01:25:02 PM eth0 415.18 247.78 3973.51 72.15 0.00 0.00 0.00 0.00 01:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 17.79 17.79 2.72 2.72 0.00 0.00 0.00 0.00 01:26:01 PM eth0 54.83 39.80 272.23 20.00 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 9.81 9.81 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 200.42 130.04 1928.32 39.02 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) 01/16/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.69 0.00 2.32 1.08 0.10 72.80 01:24:01 PM 0 11.33 0.00 1.27 0.23 0.10 87.07 01:24:01 PM 1 40.64 0.00 3.80 1.41 0.12 54.04 01:24:01 PM 2 16.94 0.00 1.96 1.09 0.12 79.89 01:24:01 PM 3 25.88 0.00 2.25 1.59 0.08 70.19 01:25:02 PM all 57.66 0.00 2.48 1.79 0.16 37.91 01:25:02 PM 0 52.65 0.00 2.53 2.21 0.13 42.48 01:25:02 PM 1 49.64 0.00 2.70 2.40 0.17 45.10 01:25:02 PM 2 63.45 0.00 2.26 1.24 0.17 32.88 01:25:02 PM 3 64.89 0.00 2.43 1.31 0.17 31.20 01:26:01 PM all 12.98 0.00 1.03 0.13 0.09 85.76 01:26:01 PM 0 12.19 0.00 0.77 0.03 0.10 86.90 01:26:01 PM 1 13.24 0.00 1.14 0.14 0.10 85.38 01:26:01 PM 2 12.71 0.00 1.17 0.03 0.10 85.98 01:26:01 PM 3 13.79 0.00 1.05 0.32 0.07 84.77 Average: all 31.53 0.00 1.95 1.00 0.12 65.40 Average: 0 25.44 0.00 1.53 0.83 0.11 72.09 Average: 1 34.61 0.00 2.55 1.32 0.13 61.39 Average: 2 31.12 0.00 1.80 0.79 0.13 66.16 Average: 3 34.94 0.00 1.91 1.08 0.11 61.96