---> uname -a: Linux prd-centos8-docker-4c-4g-12679.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: 2800.000 BogoMIPS: 5600.00 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: 15761 828 11738 19 3193 14585 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:b3:f4:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.97/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85911sec preferred_lft 85911sec inet6 fe80::f816:3eff:feb3:f47a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:70:92:fd:ec 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::42:70ff:fe92:fdec/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) 07/14/2026 _x86_64_ (4 CPU) 08:54:55 LINUX RESTART (4 CPU) 08:56:02 AM tps rtps wtps bread/s bwrtn/s 08:57:01 AM 224.77 20.35 204.42 4090.41 16607.64 08:58:01 AM 96.02 1.85 94.17 116.11 5799.35 08:59:01 AM 20.98 0.00 20.98 0.00 6150.79 09:00:01 AM 10.13 2.75 7.38 164.51 288.32 09:01:01 AM 57.73 0.57 57.16 424.66 14347.48 09:02:01 AM 36.47 0.17 36.30 3.20 1290.70 09:03:01 AM 35.30 0.47 34.83 56.51 1120.62 Average: 68.40 3.70 64.70 685.53 6490.83 08:56:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:57:01 AM 12063992 14298484 4075328 25.25 2688 2437520 1899520 11.05 208928 3451580 97976 08:58:01 AM 10456000 12926036 5683320 35.21 2688 2668988 2995144 17.43 262268 4987148 174240 08:59:01 AM 10343852 12818336 5795468 35.91 2688 2673304 2995144 17.43 262316 5099348 1128 09:00:01 AM 8834184 11324360 7305136 45.26 2688 2688272 4528920 26.35 273988 6588800 4744 09:01:01 AM 6873532 9803780 9265788 57.41 2688 3118244 6335528 36.86 363176 8411840 48 09:02:01 AM 8231552 11148172 7907768 49.00 2688 3104744 5445972 31.68 394832 7024280 120 09:03:01 AM 12012876 14926140 4126444 25.57 2688 3101168 1757608 10.23 587496 3068792 24192 Average: 9830855 12463615 6308465 39.09 2688 2827463 3708262 21.57 336143 5518827 43207 08:56:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:57:01 AM eth0 216.08 179.79 2561.95 30.65 0.00 0.00 0.00 0.00 08:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 AM eth0 220.05 165.36 3410.14 29.52 0.00 0.00 0.00 0.00 08:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 AM eth0 16.38 13.50 3.33 26.35 0.00 0.00 0.00 0.00 08:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 AM lo 3.28 3.28 0.46 0.46 0.00 0.00 0.00 0.00 09:00:01 AM eth0 21.46 20.26 4.62 13.76 0.00 0.00 0.00 0.00 09:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:01:01 AM lo 2.78 2.78 0.22 0.22 0.00 0.00 0.00 0.00 09:01:01 AM eth0 109.40 73.81 2705.11 7.41 0.00 0.00 0.00 0.00 09:01:01 AM docker0 0.23 0.33 0.01 0.03 0.00 0.00 0.00 0.00 09:01:01 AM vethc551c8a 0.23 0.48 0.01 0.04 0.00 0.00 0.00 0.00 09:01:01 AM br-c782ec0c75a6 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:01:01 AM veth75d91e3 0.00 0.23 0.00 0.02 0.00 0.00 0.00 0.00 09:02:01 AM lo 12.63 12.63 26.99 26.99 0.00 0.00 0.00 0.00 09:02:01 AM eth0 10.61 6.25 118.42 1.00 0.00 0.00 0.00 0.00 09:02:01 AM docker0 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 09:02:01 AM vethc551c8a 0.17 0.18 0.01 0.01 0.00 0.00 0.00 0.00 09:02:01 AM br-c782ec0c75a6 5.65 5.48 25.60 0.93 0.00 0.00 0.00 0.00 09:03:01 AM lo 1.27 1.27 0.09 0.09 0.00 0.00 0.00 0.00 09:03:01 AM eth0 28.45 19.24 23.61 8.94 0.00 0.00 0.00 0.00 09:03:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.86 2.86 3.97 3.97 0.00 0.00 0.00 0.00 Average: eth0 88.61 68.05 1257.87 16.77 0.00 0.00 0.00 0.00 Average: docker0 0.07 0.09 0.00 0.01 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) 07/14/2026 _x86_64_ (4 CPU) 08:54:55 LINUX RESTART (4 CPU) 08:56:02 AM CPU %user %nice %system %iowait %steal %idle 08:57:01 AM all 34.72 0.00 3.02 1.73 0.16 60.38 08:57:01 AM 0 30.87 0.00 3.33 1.56 0.15 64.08 08:57:01 AM 1 34.59 0.00 2.83 1.79 0.12 60.68 08:57:01 AM 2 41.41 0.00 3.06 1.29 0.19 54.05 08:57:01 AM 3 32.02 0.00 2.85 2.27 0.17 62.70 08:58:01 AM all 61.98 0.00 1.99 0.39 0.12 35.52 08:58:01 AM 0 64.63 0.00 2.07 0.08 0.10 33.12 08:58:01 AM 1 56.28 0.00 2.86 0.95 0.13 39.78 08:58:01 AM 2 68.95 0.00 1.24 0.13 0.12 29.56 08:58:01 AM 3 58.05 0.00 1.81 0.38 0.12 39.64 08:59:01 AM all 14.01 0.00 0.33 0.25 0.06 85.35 08:59:01 AM 0 9.80 0.00 0.37 0.00 0.05 89.78 08:59:01 AM 1 16.16 0.00 0.32 0.38 0.07 83.07 08:59:01 AM 2 18.58 0.00 0.25 0.00 0.07 81.10 08:59:01 AM 3 11.50 0.00 0.38 0.60 0.05 87.46 09:00:01 AM all 43.16 0.00 0.99 0.04 0.10 55.70 09:00:01 AM 0 28.29 0.00 0.58 0.07 0.08 70.98 09:00:01 AM 1 39.17 0.00 0.84 0.00 0.08 59.91 09:00:01 AM 2 61.30 0.00 1.49 0.07 0.12 37.03 09:00:01 AM 3 43.86 0.00 1.07 0.03 0.13 54.90 09:01:01 AM all 12.52 0.00 2.02 0.79 0.09 84.58 09:01:01 AM 0 11.40 0.00 1.78 0.79 0.10 85.93 09:01:01 AM 1 12.97 0.00 2.30 1.26 0.08 83.38 09:01:01 AM 2 13.67 0.00 2.18 0.92 0.10 83.12 09:01:01 AM 3 12.03 0.00 1.83 0.20 0.07 85.87 09:02:01 AM all 8.06 0.00 1.13 1.57 0.10 89.13 09:02:01 AM 0 8.10 0.00 1.04 1.07 0.13 89.65 09:02:01 AM 1 8.88 0.00 1.35 1.26 0.10 88.41 09:02:01 AM 2 8.76 0.00 1.21 2.56 0.08 87.39 09:02:01 AM 3 6.51 0.00 0.94 1.39 0.08 91.08 09:03:01 AM all 13.69 0.00 1.52 1.07 0.07 83.65 09:03:01 AM 0 13.08 0.00 1.36 1.19 0.08 84.29 09:03:01 AM 1 8.40 0.00 1.39 1.27 0.07 88.88 09:03:01 AM 2 26.86 0.00 2.14 0.99 0.08 69.93 09:03:01 AM 3 6.42 0.00 1.19 0.85 0.05 91.49 Average: all 26.88 0.00 1.57 0.83 0.10 70.62 Average: 0 23.74 0.00 1.50 0.68 0.10 73.98 Average: 1 25.20 0.00 1.69 0.99 0.09 72.03 Average: 2 34.22 0.00 1.65 0.85 0.11 63.17 Average: 3 24.34 0.00 1.43 0.81 0.10 73.32