---> uname -a: Linux prd-centos8-docker-4c-4g-2754.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1053 10736 20 3971 14357 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:42:61:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85932sec preferred_lft 85932sec inet6 fe80::f816:3eff:fe42:6114/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6d:54:37:02 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 inet6 fe80::42:6dff:fe54:3702/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/12/2026 _x86_64_ (4 CPU) 08:19:30 LINUX RESTART (4 CPU) 08:20:00 AM tps rtps wtps bread/s bwrtn/s 08:20:02 AM 774.49 481.12 293.37 70273.47 13475.51 08:21:01 AM 228.66 54.04 174.62 6206.74 40027.27 08:22:01 AM 103.73 2.12 101.62 1522.43 9009.91 08:23:01 AM 224.64 20.36 204.28 2643.92 15143.52 08:24:01 AM 18.56 0.45 18.11 394.87 1066.12 08:25:01 AM 72.23 1.43 70.79 80.24 12720.71 08:26:01 AM 1193.72 72.05 1121.66 1365.24 34612.45 08:27:02 AM 101.00 46.62 54.38 783.61 3138.92 Average: 279.92 30.20 249.72 2164.99 16461.75 08:20:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:02 AM 15094292 15386528 1045024 6.48 2688 526188 857216 5.31 81156 672660 18224 08:21:01 AM 13537408 15097756 2601908 16.12 2688 1787880 1181132 6.87 136556 2148768 38048 08:22:01 AM 13122380 15134240 3016936 18.69 2688 2220284 1079108 6.28 142564 2487932 213636 08:23:01 AM 11841908 14129236 4297408 26.63 2688 2489376 2117124 12.32 203740 3668400 7876 08:24:01 AM 11770884 14084368 4368432 27.07 2688 2514604 2421232 14.09 205388 3732820 20 08:25:01 AM 11350868 14141168 4788448 29.67 2688 2981248 2230580 12.98 417156 3904748 130184 08:26:01 AM 10022304 13653460 6117012 37.90 2688 3620984 2122204 12.35 467636 4725800 40168 08:27:02 AM 10992544 14687220 5146772 31.89 2688 3680232 1214472 7.07 675556 3552852 38244 Average: 12216574 14539247 3922742 24.31 2688 2477600 1652884 9.62 291219 3111748 60800 08:20:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:02 AM eth0 12.76 9.18 2.70 1.85 0.00 0.00 0.00 0.00 08:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 AM eth0 322.48 189.31 998.35 67.30 0.00 0.00 0.00 0.00 08:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 AM eth0 98.45 61.98 1435.68 12.86 0.00 0.00 0.00 0.00 08:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 AM eth0 245.82 217.88 2877.95 36.56 0.00 0.00 0.00 0.00 08:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:24:01 AM eth0 9.00 7.37 99.67 2.19 0.00 0.00 0.00 0.00 08:24:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:24:01 AM vethebf7cc2 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:25:01 AM lo 7.33 7.33 5.24 5.24 0.00 0.00 0.00 0.00 08:25:01 AM eth0 167.51 97.40 2356.71 962.30 0.00 0.00 0.00 0.00 08:25:01 AM docker0 3.47 3.17 4.10 0.45 0.00 0.00 0.00 0.00 08:25:01 AM vethebf7cc2 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 08:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 AM eth0 151.79 116.03 1599.87 18.15 0.00 0.00 0.00 0.00 08:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:02 AM eth0 20.63 16.39 45.34 39.51 0.00 0.00 0.00 0.00 08:27:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 144.07 100.28 1339.39 162.18 0.00 0.00 0.00 0.00 Average: docker0 0.52 0.49 0.59 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/12/2026 _x86_64_ (4 CPU) 08:19:30 LINUX RESTART (4 CPU) 08:20:00 AM CPU %user %nice %system %iowait %steal %idle 08:20:02 AM all 89.47 0.00 4.36 4.24 0.00 1.93 08:20:02 AM 0 90.77 0.00 5.13 2.05 0.00 2.05 08:20:02 AM 1 94.87 0.00 3.59 0.00 0.00 1.54 08:20:02 AM 2 88.66 0.00 4.12 5.67 0.00 1.55 08:20:02 AM 3 83.59 0.00 4.62 9.23 0.00 2.56 08:21:01 AM all 14.04 0.00 2.95 7.03 0.02 75.96 08:21:01 AM 0 12.29 0.00 2.37 2.23 0.00 83.11 08:21:01 AM 1 11.31 0.00 2.74 7.68 0.02 78.25 08:21:01 AM 2 13.28 0.00 3.93 13.60 0.02 69.17 08:21:01 AM 3 19.29 0.00 2.77 4.59 0.03 73.31 08:22:01 AM all 13.67 0.00 1.51 0.44 0.01 84.37 08:22:01 AM 0 20.00 0.00 1.98 0.28 0.02 77.71 08:22:01 AM 1 6.76 0.00 1.27 0.38 0.02 91.57 08:22:01 AM 2 22.29 0.00 2.04 0.80 0.02 74.85 08:22:01 AM 3 5.63 0.00 0.73 0.28 0.00 93.35 08:23:01 AM all 27.01 0.00 1.79 1.17 0.02 70.02 08:23:01 AM 0 24.21 0.00 1.94 0.97 0.02 72.87 08:23:01 AM 1 28.63 0.00 1.71 1.49 0.02 68.16 08:23:01 AM 2 28.02 0.00 1.60 1.02 0.02 69.33 08:23:01 AM 3 27.18 0.00 1.91 1.19 0.02 69.71 08:24:01 AM all 0.89 0.00 0.30 0.07 0.00 98.74 08:24:01 AM 0 0.80 0.00 0.32 0.08 0.00 98.80 08:24:01 AM 1 0.97 0.00 0.32 0.05 0.00 98.66 08:24:01 AM 2 1.00 0.00 0.32 0.12 0.00 98.56 08:24:01 AM 3 0.80 0.00 0.23 0.03 0.00 98.93 08:25:01 AM all 23.78 0.08 2.11 0.50 0.01 73.52 08:25:01 AM 0 24.99 0.08 1.76 0.37 0.00 72.80 08:25:01 AM 1 23.92 0.10 1.98 0.69 0.02 73.29 08:25:01 AM 2 22.63 0.08 2.33 0.55 0.02 74.39 08:25:01 AM 3 23.58 0.05 2.36 0.39 0.02 73.60 08:26:01 AM all 18.57 0.00 8.74 7.19 0.02 65.48 08:26:01 AM 0 20.24 0.00 9.65 8.25 0.02 61.85 08:26:01 AM 1 18.84 0.00 7.59 9.60 0.02 63.95 08:26:01 AM 2 19.61 0.00 8.38 6.44 0.02 65.55 08:26:01 AM 3 15.57 0.00 9.35 4.46 0.02 70.60 08:27:02 AM all 40.26 0.00 1.86 0.63 0.04 57.21 08:27:02 AM 0 41.07 0.00 2.14 0.85 0.02 55.92 08:27:02 AM 1 61.35 0.00 2.29 0.57 0.08 35.71 08:27:02 AM 2 33.75 0.00 1.84 0.75 0.02 63.64 08:27:02 AM 3 24.91 0.00 1.15 0.35 0.05 73.53 Average: all 20.08 0.01 2.75 2.42 0.02 74.72 Average: 0 20.86 0.01 2.88 1.85 0.01 74.39 Average: 1 22.04 0.01 2.55 2.89 0.02 72.47 Average: 2 20.42 0.01 2.92 3.31 0.01 73.33 Average: 3 17.01 0.01 2.64 1.64 0.02 78.69