---> uname -a: Linux prd-centos8-docker-4c-4g-3621.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 1104 10783 20 3873 14306 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:48:d5:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.142/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85858sec preferred_lft 85858sec inet6 fe80::f816:3eff:fe48:d552/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8a:02:a2:26 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::42:8aff:fe02:a226/64 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) 10/20/2026 _x86_64_ (4 CPU) 07:44:33 LINUX RESTART (4 CPU) 07:46:01 AM tps rtps wtps bread/s bwrtn/s 07:47:01 AM 61.21 0.20 61.01 30.00 4511.33 07:48:01 AM 102.57 1.48 101.08 274.98 8102.93 07:49:01 AM 182.19 4.40 177.79 493.65 13487.82 07:50:01 AM 14.03 0.45 13.58 392.80 824.38 07:51:01 AM 83.81 0.68 83.12 72.91 16824.24 07:52:01 AM 1126.85 15.10 1111.75 208.37 29838.99 07:53:01 AM 167.18 103.42 63.76 1928.02 3888.62 Average: 248.24 17.96 230.28 485.83 11067.98 07:46:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:47:01 AM 13371180 15120336 2768128 17.15 2688 1966460 1145080 6.66 140036 2273644 137736 07:48:01 AM 12828384 14830284 3310924 20.51 2688 2210176 1493252 8.69 154804 2763136 187220 07:49:01 AM 11576476 13764032 4562832 28.27 2688 2390592 2465632 14.35 206036 3932840 612 07:50:01 AM 11415936 13709048 4723372 29.27 2688 2491216 2836404 16.50 207484 4073148 75160 07:51:01 AM 11537196 14295852 4602112 28.51 2688 2946712 1763236 10.26 339348 3784024 58432 07:52:01 AM 10498616 13991948 5640692 34.95 2688 3487436 1877236 10.92 386352 4340308 68148 07:53:01 AM 10466764 14047476 5672544 35.15 2688 3569328 1773284 10.32 409532 4344512 20272 Average: 11670650 14251282 4468658 27.69 2688 2723131 1907732 11.10 263370 3644516 78226 07:46:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:47:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 AM eth0 125.03 98.68 796.31 10.04 0.00 0.00 0.00 0.00 07:47:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 AM eth0 101.90 82.54 1016.01 13.45 0.00 0.00 0.00 0.00 07:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 AM eth0 213.08 183.65 2543.75 28.76 0.00 0.00 0.00 0.00 07:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 AM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 07:50:01 AM eth0 72.14 40.54 562.08 4.70 0.00 0.00 0.00 0.00 07:50:01 AM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 07:50:01 AM veth68bcdc5 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 07:51:01 AM lo 7.15 7.15 5.27 5.27 0.00 0.00 0.00 0.00 07:51:01 AM eth0 311.53 150.23 2308.49 19.54 0.00 0.00 0.00 0.00 07:51:01 AM docker0 3.42 3.05 4.09 0.44 0.00 0.00 0.00 0.00 07:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:52:01 AM eth0 232.39 192.33 1207.67 22.71 0.00 0.00 0.00 0.00 07:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:53:01 AM eth0 3.75 2.83 1.11 1.72 0.00 0.00 0.00 0.00 07:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 151.40 107.26 1205.04 14.42 0.00 0.00 0.00 0.00 Average: docker0 0.51 0.48 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) 10/20/2026 _x86_64_ (4 CPU) 07:44:33 LINUX RESTART (4 CPU) 07:46:01 AM CPU %user %nice %system %iowait %steal %idle 07:47:01 AM all 8.55 0.00 0.91 0.74 0.02 89.78 07:47:01 AM 0 12.51 0.00 1.32 0.32 0.02 85.84 07:47:01 AM 1 9.82 0.00 0.95 0.72 0.02 88.49 07:47:01 AM 2 2.63 0.00 0.34 0.23 0.02 96.78 07:47:01 AM 3 9.24 0.00 1.02 1.70 0.02 88.03 07:48:01 AM all 13.81 0.00 1.17 0.64 0.03 84.35 07:48:01 AM 0 10.71 0.00 1.10 0.65 0.03 87.50 07:48:01 AM 1 15.64 0.00 1.20 0.48 0.02 82.65 07:48:01 AM 2 10.79 0.00 1.00 1.04 0.02 87.15 07:48:01 AM 3 18.11 0.00 1.37 0.40 0.03 80.09 07:49:01 AM all 25.05 0.00 1.52 1.37 0.02 72.04 07:49:01 AM 0 29.59 0.00 0.92 0.58 0.02 68.89 07:49:01 AM 1 25.13 0.00 2.14 2.06 0.02 70.65 07:49:01 AM 2 25.69 0.00 1.59 1.40 0.02 71.31 07:49:01 AM 3 19.79 0.00 1.44 1.45 0.02 77.30 07:50:01 AM all 1.68 0.00 0.55 0.10 0.03 97.65 07:50:01 AM 0 1.69 0.00 0.49 0.03 0.03 97.76 07:50:01 AM 1 1.92 0.00 0.43 0.10 0.02 97.53 07:50:01 AM 2 1.60 0.00 0.47 0.03 0.03 97.86 07:50:01 AM 3 1.49 0.00 0.82 0.22 0.02 97.46 07:51:01 AM all 25.88 0.10 2.22 0.85 0.04 70.92 07:51:01 AM 0 28.47 0.07 3.42 0.77 0.03 67.25 07:51:01 AM 1 20.98 0.13 1.83 0.76 0.05 76.24 07:51:01 AM 2 23.62 0.03 1.88 0.90 0.05 73.51 07:51:01 AM 3 30.42 0.15 1.76 0.96 0.03 66.68 07:52:01 AM all 14.75 0.00 8.39 7.13 0.06 69.67 07:52:01 AM 0 24.91 0.00 8.02 5.99 0.05 61.03 07:52:01 AM 1 13.92 0.00 8.23 5.86 0.05 71.94 07:52:01 AM 2 6.16 0.00 7.84 8.90 0.07 77.03 07:52:01 AM 3 14.02 0.00 9.50 7.77 0.05 68.66 07:53:01 AM all 41.71 0.00 1.80 2.69 0.04 53.75 07:53:01 AM 0 28.17 0.00 1.52 1.93 0.03 68.35 07:53:01 AM 1 41.60 0.00 1.66 2.12 0.05 54.57 07:53:01 AM 2 69.96 0.00 2.81 4.94 0.05 22.24 07:53:01 AM 3 27.12 0.00 1.22 1.79 0.03 69.84 Average: all 18.78 0.01 2.36 1.92 0.03 76.90 Average: 0 19.42 0.01 2.39 1.46 0.03 76.69 Average: 1 18.44 0.02 2.34 1.72 0.03 77.46 Average: 2 20.08 0.00 2.27 2.48 0.04 75.13 Average: 3 17.17 0.02 2.43 2.03 0.03 78.32