---> uname -a: Linux prd-centos8-docker-4c-4g-4739.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 805 12186 19 2770 14622 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:11:63:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.248/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe11:6317/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fa:0a:d4:53 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) 01/11/2026 _x86_64_ (4 CPU) 12:40:00 LINUX RESTART (4 CPU) 12:41:01 PM tps rtps wtps bread/s bwrtn/s 12:42:01 PM 284.51 17.97 266.54 3776.42 12944.49 12:43:01 PM 41.09 2.42 38.67 235.92 7980.69 12:44:01 PM 54.42 0.93 53.48 75.84 9432.79 Average: 126.69 7.11 119.58 1362.99 10119.64 12:41:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:42:01 PM 11930800 14153852 4210724 26.09 2688 2426176 2094384 12.18 224880 3572156 229064 12:43:01 PM 11161460 13395280 4980064 30.85 2688 2436552 2956264 17.20 249440 4309556 908 12:44:01 PM 12419748 14912892 3721776 23.06 2688 2693532 1264768 7.36 521452 2782140 24644 Average: 11837336 14154008 4304188 26.67 2688 2518753 2105139 12.25 331924 3554617 84872 12:41:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:42:01 PM eth0 440.66 309.21 4478.35 57.84 0.00 0.00 0.00 0.00 12:42:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:43:01 PM lo 25.59 25.59 5.11 5.11 0.00 0.00 0.00 0.00 12:43:01 PM eth0 22.24 11.85 7.00 15.28 0.00 0.00 0.00 0.00 12:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:44:01 PM lo 4.18 4.18 1.03 1.03 0.00 0.00 0.00 0.00 12:44:01 PM eth0 122.69 85.95 482.78 35.77 0.00 0.00 0.00 0.00 12:44:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.92 9.92 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 195.22 135.69 1656.36 36.30 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) 01/11/2026 _x86_64_ (4 CPU) 12:40:00 LINUX RESTART (4 CPU) 12:41:01 PM CPU %user %nice %system %iowait %steal %idle 12:42:01 PM all 43.65 0.00 3.07 1.50 0.12 51.66 12:42:01 PM 0 44.61 0.00 2.59 1.12 0.13 51.55 12:42:01 PM 1 37.35 0.00 3.86 2.60 0.13 56.06 12:42:01 PM 2 38.70 0.00 2.58 0.55 0.10 58.07 12:42:01 PM 3 53.91 0.00 3.26 1.72 0.12 40.99 12:43:01 PM all 31.13 0.00 0.89 0.27 0.07 67.65 12:43:01 PM 0 34.17 0.00 0.99 0.13 0.07 64.64 12:43:01 PM 1 38.43 0.00 0.52 0.00 0.07 60.99 12:43:01 PM 2 22.79 0.00 1.22 0.72 0.07 75.20 12:43:01 PM 3 29.09 0.00 0.82 0.22 0.08 69.79 12:44:01 PM all 24.02 0.00 2.30 0.34 0.08 73.26 12:44:01 PM 0 40.68 0.00 2.60 0.32 0.10 56.30 12:44:01 PM 1 18.04 0.00 2.52 0.53 0.08 78.82 12:44:01 PM 2 11.65 0.00 1.67 0.35 0.07 86.26 12:44:01 PM 3 25.66 0.00 2.41 0.17 0.07 71.69 Average: all 32.92 0.00 2.09 0.70 0.09 64.20 Average: 0 39.82 0.00 2.06 0.52 0.10 57.50 Average: 1 31.27 0.00 2.30 1.04 0.09 65.30 Average: 2 24.38 0.00 1.82 0.54 0.08 73.18 Average: 3 36.22 0.00 2.16 0.70 0.09 60.83