---> uname -a: Linux prd-centos8-docker-4c-4g-3170.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 1572 10296 20 3891 13846 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:e9:88:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.16/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85996sec preferred_lft 85996sec inet6 fe80::f816:3eff:fee9:8825/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:88:bd:ac:96 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/19/2026 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 150.94 15.03 135.91 3236.53 11107.63 12:35:01 AM 222.71 7.31 215.40 1028.04 48453.53 12:36:01 AM 31.29 0.00 31.29 0.00 7728.96 12:37:01 AM 3.45 0.00 3.45 0.00 297.20 12:38:01 AM 21.33 2.82 18.51 136.49 442.75 12:39:01 AM 24.74 3.03 21.71 129.82 2233.22 Average: 75.76 4.70 71.06 755.11 11714.65 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 11720252 14909192 4419064 27.38 2688 3395512 1295976 7.54 183036 3838012 1285904 12:35:01 AM 10813900 14361944 5325416 33.00 2688 3747236 1635320 9.51 292796 4601556 213344 12:36:01 AM 8399320 11960812 7739996 47.96 2688 3759700 3841656 22.35 315552 6983864 2948 12:37:01 AM 8319360 11885636 7819956 48.45 2688 3764340 3889032 22.63 315676 7063100 964 12:38:01 AM 11456096 15061460 4683220 29.02 2688 3801888 1069004 6.22 336564 3909032 33772 12:39:01 AM 10576260 14211832 5563056 34.47 2688 3830868 1827572 10.63 596072 4525948 25312 Average: 10214198 13731813 5925118 36.71 2688 3716591 2259760 13.15 339949 5153585 260374 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 915.06 392.93 19913.59 38.83 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 465.00 381.29 4970.36 47.41 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 104.02 57.43 62.99 62.33 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 227.09 131.81 81.28 75.59 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 6.58 6.58 0.80 0.80 0.00 0.00 0.00 0.00 12:38:01 AM eth0 53.13 48.87 305.41 15.55 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM eth0 180.52 123.74 373.56 203.72 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 324.14 189.36 4284.17 73.90 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/19/2026 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 22.52 0.00 2.37 0.78 0.03 74.30 12:34:01 AM 0 19.93 0.00 2.13 1.03 0.02 76.89 12:34:01 AM 1 22.54 0.00 1.81 0.55 0.03 75.06 12:34:01 AM 2 19.71 0.00 2.19 0.97 0.03 77.09 12:34:01 AM 3 27.91 0.00 3.36 0.57 0.02 68.14 12:35:01 AM all 48.39 0.00 2.42 1.83 0.04 47.33 12:35:01 AM 0 39.28 0.00 2.62 1.33 0.03 56.74 12:35:01 AM 1 52.92 0.00 1.82 1.40 0.02 43.84 12:35:01 AM 2 47.04 0.00 3.17 3.62 0.05 46.13 12:35:01 AM 3 54.32 0.00 2.07 0.97 0.05 42.59 12:36:01 AM all 59.91 0.00 1.47 0.25 0.04 38.32 12:36:01 AM 0 48.13 0.00 1.44 0.37 0.03 50.03 12:36:01 AM 1 73.38 0.00 2.32 0.05 0.05 24.20 12:36:01 AM 2 61.70 0.00 0.95 0.48 0.05 36.82 12:36:01 AM 3 56.44 0.00 1.17 0.12 0.03 42.24 12:37:01 AM all 14.02 0.00 1.41 0.01 0.00 84.55 12:37:01 AM 0 11.99 0.00 1.10 0.00 0.00 86.91 12:37:01 AM 1 18.58 0.00 1.69 0.03 0.02 79.68 12:37:01 AM 2 12.74 0.00 1.59 0.00 0.00 85.67 12:37:01 AM 3 12.78 0.00 1.27 0.02 0.00 85.93 12:38:01 AM all 56.48 0.00 1.49 0.11 0.06 41.86 12:38:01 AM 0 53.91 0.00 0.90 0.00 0.07 45.13 12:38:01 AM 1 70.02 0.00 2.57 0.42 0.08 26.91 12:38:01 AM 2 55.35 0.00 1.40 0.02 0.05 43.18 12:38:01 AM 3 46.63 0.00 1.10 0.00 0.03 52.24 12:39:01 AM all 32.40 0.00 1.81 0.13 0.03 65.63 12:39:01 AM 0 39.43 0.00 2.17 0.28 0.05 58.06 12:39:01 AM 1 35.02 0.00 1.37 0.10 0.03 63.48 12:39:01 AM 2 13.30 0.00 1.79 0.13 0.02 84.76 12:39:01 AM 3 41.78 0.00 1.89 0.02 0.03 56.28 Average: all 38.96 0.00 1.83 0.52 0.03 58.66 Average: 0 35.44 0.00 1.73 0.50 0.03 62.30 Average: 1 45.43 0.00 1.93 0.43 0.04 52.18 Average: 2 34.98 0.00 1.85 0.87 0.03 62.26 Average: 3 39.98 0.00 1.81 0.28 0.03 57.90