---> uname -a: Linux prd-centos8-docker-4c-4g-979.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 794 11669 19 3299 14619 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:e0:0f:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.159/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85910sec preferred_lft 85910sec inet6 fe80::f816:3eff:fee0:f15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4f:fc:9e:19 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::42:4fff:fefc:9e19/64 scope link 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) 01/17/2026 _x86_64_ (4 CPU) 08:02:21 LINUX RESTART (4 CPU) 08:03:03 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 208.77 18.98 189.79 3417.62 10199.24 08:05:01 AM 144.81 3.22 141.60 767.75 10354.94 08:06:01 AM 20.80 0.00 20.80 0.00 6319.96 08:07:01 AM 13.90 2.73 11.16 136.35 282.87 08:08:01 AM 81.66 0.62 81.04 425.46 18525.74 08:09:01 AM 12.11 1.22 10.89 1590.14 567.22 08:10:01 AM 104.92 0.07 104.85 9.73 8641.48 Average: 83.25 3.76 79.49 894.72 7830.03 08:03:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12855584 14876808 3285948 20.36 2688 2227740 1267668 7.37 166280 2727792 181928 08:05:01 AM 11163712 13480616 4977820 30.84 2688 2518024 2393784 13.93 258020 4295524 183128 08:06:01 AM 10793052 13114012 5348480 33.13 2688 2521904 2611772 15.19 262596 4660312 1420 08:07:01 AM 9284040 11626344 6857492 42.48 2688 2542532 4112284 23.92 274048 6149900 4692 08:08:01 AM 8692936 11454880 7448596 46.15 2688 2952144 4524260 26.32 405380 6569932 108 08:09:01 AM 11148528 14141232 4993004 30.93 2688 3182016 1922768 11.19 457580 4070184 183564 08:10:01 AM 11896564 14909080 4244968 26.30 2688 3198496 1241376 7.22 651616 3123936 16796 Average: 10833488 13371853 5308044 32.88 2688 2734694 2581987 15.02 353646 4513940 81662 08:03:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 197.91 157.23 2087.16 33.26 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 284.96 218.11 4068.32 32.98 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 223.33 138.43 69.97 72.90 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 3.62 3.62 0.48 0.48 0.00 0.00 0.00 0.00 08:07:01 AM eth0 105.68 80.49 34.21 49.02 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 13.28 13.28 26.81 26.81 0.00 0.00 0.00 0.00 08:08:01 AM eth0 253.67 127.87 2831.54 11.61 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth77b9ea2 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-624d6a888cdc 5.81 5.61 25.62 0.93 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.72 0.72 0.04 0.04 0.00 0.00 0.00 0.00 08:09:01 AM eth0 156.33 114.82 2905.13 10.56 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 52.21 38.11 10.96 124.40 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.53 2.53 3.92 3.92 0.00 0.00 0.00 0.00 Average: eth0 181.94 124.86 1713.73 47.88 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 01/17/2026 _x86_64_ (4 CPU) 08:02:21 LINUX RESTART (4 CPU) 08:03:03 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 26.63 0.00 2.41 1.21 0.09 69.65 08:04:01 AM 0 20.26 0.00 2.03 0.72 0.09 76.89 08:04:01 AM 1 24.50 0.00 1.80 1.21 0.09 72.40 08:04:01 AM 2 32.46 0.00 2.49 1.07 0.09 63.88 08:04:01 AM 3 29.33 0.00 3.32 1.83 0.10 65.41 08:05:01 AM all 64.48 0.00 2.08 0.58 0.10 32.76 08:05:01 AM 0 72.06 0.00 1.18 0.10 0.10 26.55 08:05:01 AM 1 65.16 0.00 2.39 0.90 0.10 31.45 08:05:01 AM 2 54.64 0.00 2.34 0.74 0.10 42.18 08:05:01 AM 3 66.05 0.00 2.41 0.59 0.10 30.86 08:06:01 AM all 22.60 0.00 1.32 0.15 0.07 75.87 08:06:01 AM 0 25.76 0.00 1.07 0.00 0.07 73.10 08:06:01 AM 1 24.25 0.00 1.42 0.13 0.07 74.13 08:06:01 AM 2 21.23 0.00 1.39 0.12 0.07 77.20 08:06:01 AM 3 19.14 0.00 1.39 0.37 0.07 79.04 08:07:01 AM all 36.65 0.00 1.50 0.04 0.08 61.72 08:07:01 AM 0 31.31 0.00 0.72 0.02 0.08 67.87 08:07:01 AM 1 22.40 0.00 1.89 0.02 0.07 75.63 08:07:01 AM 2 55.24 0.00 1.72 0.05 0.10 42.89 08:07:01 AM 3 37.63 0.00 1.69 0.07 0.08 60.54 08:08:01 AM all 28.30 0.00 3.80 1.00 0.09 66.81 08:08:01 AM 0 26.96 0.00 3.34 0.10 0.10 69.49 08:08:01 AM 1 28.87 0.00 4.78 1.13 0.08 65.13 08:08:01 AM 2 22.38 0.00 3.97 1.55 0.10 71.99 08:08:01 AM 3 34.98 0.00 3.09 1.21 0.08 60.64 08:09:01 AM all 46.23 0.00 1.38 0.05 0.08 52.25 08:09:01 AM 0 49.11 0.00 2.07 0.13 0.08 48.60 08:09:01 AM 1 48.59 0.00 1.15 0.02 0.10 50.14 08:09:01 AM 2 36.31 0.00 1.42 0.03 0.08 62.16 08:09:01 AM 3 50.90 0.00 0.88 0.03 0.07 48.11 08:10:01 AM all 60.34 0.00 1.68 0.48 0.09 37.41 08:10:01 AM 0 66.34 0.00 2.45 0.25 0.10 30.86 08:10:01 AM 1 71.04 0.00 0.77 0.07 0.08 28.04 08:10:01 AM 2 42.50 0.00 2.26 1.22 0.08 53.94 08:10:01 AM 3 61.45 0.00 1.25 0.38 0.10 36.82 Average: all 40.83 0.00 2.02 0.50 0.09 56.56 Average: 0 41.80 0.00 1.84 0.19 0.09 56.09 Average: 1 40.79 0.00 2.03 0.49 0.08 56.61 Average: 2 37.87 0.00 2.22 0.68 0.09 59.14 Average: 3 42.86 0.00 2.00 0.63 0.09 54.43