---> uname -a: Linux prd-centos8-docker-4c-4g-5219.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 831 12111 19 2820 14596 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:65:f0:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.187/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86100sec preferred_lft 86100sec inet6 fe80::f816:3eff:fe65:f00a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:1e:c2:7c 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) 03/26/2026 _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 78.64 0.42 78.22 11.20 5036.39 01:25:01 PM 252.70 16.64 236.05 3931.09 13236.54 01:26:01 PM 48.91 4.55 44.36 346.74 8034.76 01:27:01 PM 39.53 3.12 36.41 139.44 914.48 Average: 104.95 6.18 98.77 1107.19 6805.74 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13237216 15051436 2904316 17.99 2688 2027200 1159324 6.74 146212 2397008 211360 01:25:01 PM 12080388 14354760 4061144 25.16 2688 2478300 1721772 10.02 216572 3437012 222608 01:26:01 PM 11300996 13595976 4840536 29.99 2688 2498088 2916696 16.97 255160 4166820 1368 01:27:01 PM 12373880 14918536 3767652 23.34 2688 2745208 1227528 7.14 524632 2827980 261108 Average: 12248120 14480177 3893412 24.12 2688 2437199 1756330 10.22 285644 3207205 174111 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 75.62 56.81 1135.34 10.13 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 525.32 384.31 4652.87 86.61 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 23.61 23.61 4.89 4.89 0.00 0.00 0.00 0.00 01:26:01 PM eth0 30.49 23.21 99.33 16.25 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 01:27:01 PM lo 5.47 5.47 1.20 1.20 0.00 0.00 0.00 0.00 01:27:01 PM eth0 72.64 75.80 289.19 933.06 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.27 7.27 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 176.03 135.04 1544.29 261.49 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) 03/26/2026 _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 14.71 0.00 1.43 1.13 0.08 82.66 01:24:01 PM 0 13.85 0.00 1.57 1.52 0.08 82.97 01:24:01 PM 1 8.49 0.00 1.07 0.55 0.10 89.79 01:24:01 PM 2 20.83 0.00 1.84 1.32 0.07 75.95 01:24:01 PM 3 15.65 0.00 1.24 1.12 0.07 81.93 01:25:01 PM all 31.72 0.00 2.77 3.76 0.11 61.64 01:25:01 PM 0 33.49 0.00 2.32 2.19 0.12 61.87 01:25:01 PM 1 29.40 0.00 3.02 2.75 0.10 64.73 01:25:01 PM 2 30.92 0.00 3.31 5.37 0.13 60.26 01:25:01 PM 3 33.07 0.00 2.41 4.74 0.10 59.68 01:26:01 PM all 38.46 0.00 1.00 0.32 0.08 60.15 01:26:01 PM 0 22.50 0.00 1.84 0.82 0.08 74.76 01:26:01 PM 1 36.06 0.00 1.15 0.28 0.08 62.42 01:26:01 PM 2 45.98 0.00 0.62 0.15 0.07 53.19 01:26:01 PM 3 49.28 0.00 0.38 0.02 0.07 50.25 01:27:01 PM all 18.20 0.00 1.49 0.15 0.07 80.10 01:27:01 PM 0 15.56 0.00 1.90 0.25 0.07 82.22 01:27:01 PM 1 12.20 0.00 1.05 0.10 0.07 86.59 01:27:01 PM 2 16.26 0.00 1.30 0.05 0.08 82.30 01:27:01 PM 3 28.77 0.00 1.69 0.20 0.07 69.27 Average: all 25.77 0.00 1.67 1.34 0.08 71.14 Average: 0 21.35 0.00 1.91 1.19 0.09 75.46 Average: 1 21.53 0.00 1.57 0.92 0.09 75.89 Average: 2 28.50 0.00 1.77 1.72 0.09 67.92 Average: 3 31.70 0.00 1.43 1.52 0.08 65.28