---> uname -a: Linux prd-centos8-docker-4c-4g-2770.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: 2799.996 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 808 12133 19 2821 14620 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:c3:39:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.245/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fec3:39ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:71:1c:d6 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) 04/18/2026 _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 261.26 14.91 246.35 3222.13 12252.57 01:25:01 PM 100.15 6.15 94.00 1054.76 13026.35 01:26:01 PM 51.48 3.17 48.32 140.49 9363.65 Average: 137.63 8.08 129.56 1472.48 11547.44 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12569108 14796040 3572424 22.13 2688 2431956 1387968 8.07 193144 2976044 326704 01:25:01 PM 11515512 13811576 4626020 28.66 2688 2499268 2298056 13.37 254460 3953740 1620 01:26:01 PM 12425580 14971568 3715952 23.02 2688 2746432 1179016 6.86 524352 2775728 7380 Average: 12170067 14526395 3971465 24.60 2688 2559219 1621680 9.43 323985 3235171 111901 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 377.77 277.16 5139.52 48.30 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 21.93 21.93 4.55 4.55 0.00 0.00 0.00 0.00 01:25:01 PM eth0 117.36 61.99 529.66 58.40 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 6.95 6.95 1.53 1.53 0.00 0.00 0.00 0.00 01:26:01 PM eth0 64.05 72.04 276.48 926.20 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 9.63 9.63 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 186.40 137.07 1981.97 344.31 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) 04/18/2026 _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 27.45 0.00 2.91 1.41 0.08 68.15 01:24:01 PM 0 23.95 0.00 2.84 1.15 0.08 71.97 01:24:01 PM 1 19.84 0.00 1.91 1.04 0.07 77.15 01:24:01 PM 2 31.72 0.00 3.73 1.52 0.08 62.95 01:24:01 PM 3 34.31 0.00 3.15 1.94 0.08 60.52 01:25:01 PM all 47.57 0.00 1.42 0.62 0.10 50.29 01:25:01 PM 0 59.38 0.00 0.55 0.07 0.10 39.91 01:25:01 PM 1 33.92 0.00 2.56 1.69 0.10 61.72 01:25:01 PM 2 47.02 0.00 1.44 0.40 0.08 51.06 01:25:01 PM 3 49.91 0.00 1.15 0.33 0.10 48.51 01:26:01 PM all 18.30 0.00 1.59 0.39 0.06 79.67 01:26:01 PM 0 12.09 0.00 1.28 0.43 0.07 86.13 01:26:01 PM 1 18.30 0.00 2.39 0.94 0.07 78.31 01:26:01 PM 2 16.74 0.00 1.05 0.08 0.05 82.08 01:26:01 PM 3 26.07 0.00 1.64 0.10 0.05 72.14 Average: all 31.11 0.00 1.97 0.81 0.08 66.04 Average: 0 31.80 0.00 1.56 0.55 0.08 66.00 Average: 1 24.02 0.00 2.29 1.22 0.08 72.40 Average: 2 31.82 0.00 2.07 0.67 0.07 65.36 Average: 3 36.77 0.00 1.98 0.79 0.08 60.38