---> uname -a: Linux prd-centos8-docker-4c-4g-1558.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 807 11837 19 3118 14610 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:fd:cd:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.74/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85728sec preferred_lft 85728sec inet6 fe80::f816:3eff:fefd:cd32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b5:08:83:05 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:b5ff:fe08:8305/64 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) 03/31/2026 _x86_64_ (4 CPU) 12:54:12 LINUX RESTART (4 CPU) 12:55:01 PM tps rtps wtps bread/s bwrtn/s 12:56:01 PM 73.44 0.32 73.13 9.73 6057.06 12:57:01 PM 185.05 18.91 166.14 3951.48 11990.30 12:58:01 PM 97.63 2.93 94.70 280.79 5510.36 12:59:01 PM 25.24 0.00 25.24 0.00 6550.02 01:00:01 PM 3.68 0.00 3.68 0.00 321.96 01:01:01 PM 61.78 3.28 58.50 554.35 13600.82 01:02:01 PM 12.16 0.07 12.09 1.73 894.52 01:03:01 PM 33.58 0.13 33.44 3.33 1891.80 01:04:02 PM 15.61 0.07 15.54 9.73 722.86 01:05:01 PM 24.55 0.36 24.20 47.17 976.19 Average: 53.32 2.61 50.71 486.56 4858.05 12:55:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:56:01 PM 13317236 15091440 2824296 17.50 2688 1988940 1138104 6.62 146108 2323376 159100 12:57:01 PM 12525316 14664492 3616216 22.40 2688 2345220 1506956 8.77 173748 3046388 96332 12:58:01 PM 10476772 12857456 5664760 35.09 2688 2582172 3100168 18.03 255828 4988732 184336 12:59:01 PM 9454100 11842428 6687432 41.43 2688 2589596 3972608 23.11 265148 6000100 3728 01:00:01 PM 9117724 11511496 7023808 43.51 2688 2594824 4269124 24.83 265376 6335088 1932 01:01:01 PM 5972552 8815540 10168980 63.00 2688 3033476 7301628 42.48 378016 9310072 24712 01:02:01 PM 5967332 8810464 10174200 63.03 2688 3033608 7301628 42.48 378096 9315708 44 01:03:01 PM 7329728 10157940 8811804 54.59 2688 3018716 5878152 34.19 405960 7931504 992 01:04:02 PM 12156552 14986260 3984980 24.69 2688 3020024 1155164 6.72 582832 2947000 9232 01:05:01 PM 12136356 14973420 4005176 24.81 2688 3027156 1162968 6.77 597448 2952472 22160 Average: 9845367 12371094 6296165 39.01 2688 2723373 3678650 21.40 344856 5515044 50257 12:55:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 PM eth0 69.99 51.45 843.55 9.75 0.00 0.00 0.00 0.00 12:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:57:01 PM eth0 197.80 170.66 2241.66 32.23 0.00 0.00 0.00 0.00 12:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 PM eth0 240.16 184.12 3441.84 26.18 0.00 0.00 0.00 0.00 12:58:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 PM eth0 24.49 21.79 5.07 28.03 0.00 0.00 0.00 0.00 12:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 PM eth0 15.29 13.13 2.99 18.23 0.00 0.00 0.00 0.00 01:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 PM lo 5.95 5.95 0.69 0.69 0.00 0.00 0.00 0.00 01:01:01 PM eth0 201.32 127.49 2710.60 11.19 0.00 0.00 0.00 0.00 01:01:01 PM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 01:01:01 PM vethcc39177 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 01:01:01 PM br-4eef10c4633e 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 01:01:01 PM vethc32baeb 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 01:02:01 PM lo 2.63 2.63 0.21 0.21 0.00 0.00 0.00 0.00 01:02:01 PM eth0 0.85 0.70 0.34 0.33 0.00 0.00 0.00 0.00 01:02:01 PM docker0 0.12 0.12 0.00 0.01 0.00 0.00 0.00 0.00 01:02:01 PM vethcc39177 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 01:02:01 PM br-4eef10c4633e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 PM vethc32baeb 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 PM lo 13.03 13.03 26.66 26.66 0.00 0.00 0.00 0.00 01:03:01 PM eth0 12.55 9.12 121.73 6.61 0.00 0.00 0.00 0.00 01:03:01 PM docker0 0.10 0.10 0.00 0.01 0.00 0.00 0.00 0.00 01:03:01 PM vethcc39177 0.10 0.12 0.01 0.01 0.00 0.00 0.00 0.00 01:03:01 PM br-4eef10c4633e 5.77 5.55 25.63 0.93 0.00 0.00 0.00 0.00 01:04:02 PM lo 0.82 0.82 0.04 0.04 0.00 0.00 0.00 0.00 01:04:02 PM eth0 18.06 12.16 9.16 16.52 0.00 0.00 0.00 0.00 01:04:02 PM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 01:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 PM eth0 17.27 12.25 12.61 5.93 0.00 0.00 0.00 0.00 01:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.25 2.25 2.76 2.76 0.00 0.00 0.00 0.00 Average: eth0 79.89 60.37 940.54 15.51 0.00 0.00 0.00 0.00 Average: docker0 0.04 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) 03/31/2026 _x86_64_ (4 CPU) 12:54:12 LINUX RESTART (4 CPU) 12:55:01 PM CPU %user %nice %system %iowait %steal %idle 12:56:01 PM all 11.45 0.00 1.12 4.11 0.06 83.27 12:56:01 PM 0 24.03 0.00 2.28 4.45 0.08 69.15 12:56:01 PM 1 5.13 0.00 0.48 1.35 0.05 92.98 12:56:01 PM 2 11.44 0.00 1.04 7.55 0.05 79.92 12:56:01 PM 3 5.14 0.00 0.65 3.08 0.05 91.08 12:57:01 PM all 18.09 0.00 2.46 11.84 0.08 67.52 12:57:01 PM 0 19.24 0.00 2.41 9.74 0.08 68.53 12:57:01 PM 1 13.43 0.00 1.84 10.25 0.07 74.41 12:57:01 PM 2 15.70 0.00 2.58 11.47 0.08 70.16 12:57:01 PM 3 24.00 0.00 3.03 15.91 0.08 56.98 12:58:01 PM all 54.71 0.00 2.11 3.99 0.11 39.08 12:58:01 PM 0 54.40 0.00 1.67 7.20 0.10 36.63 12:58:01 PM 1 48.19 0.00 2.49 3.69 0.12 45.52 12:58:01 PM 2 56.06 0.00 1.87 1.30 0.10 40.66 12:58:01 PM 3 60.20 0.00 2.41 3.76 0.12 33.52 12:59:01 PM all 44.69 0.00 0.84 0.62 0.09 53.76 12:59:01 PM 0 35.82 0.00 0.77 0.58 0.10 62.73 12:59:01 PM 1 50.56 0.00 1.37 0.00 0.08 47.99 12:59:01 PM 2 48.30 0.00 0.38 1.17 0.08 50.07 12:59:01 PM 3 44.08 0.00 0.85 0.72 0.10 54.25 01:00:01 PM all 15.37 0.00 0.35 0.22 0.06 84.00 01:00:01 PM 0 13.96 0.00 0.28 0.00 0.05 85.70 01:00:01 PM 1 23.69 0.00 0.65 0.38 0.07 75.20 01:00:01 PM 2 13.12 0.00 0.25 0.07 0.07 86.50 01:00:01 PM 3 10.69 0.00 0.23 0.42 0.05 88.61 01:01:01 PM all 29.46 0.00 2.40 3.50 0.10 64.55 01:01:01 PM 0 24.34 0.00 1.90 2.65 0.08 71.03 01:01:01 PM 1 40.37 0.00 2.65 3.78 0.12 53.08 01:01:01 PM 2 24.87 0.00 2.64 6.23 0.10 66.16 01:01:01 PM 3 28.25 0.00 2.41 1.32 0.08 67.92 01:02:01 PM all 1.31 0.00 0.28 0.59 0.06 97.75 01:02:01 PM 0 1.17 0.00 0.40 0.02 0.10 98.31 01:02:01 PM 1 1.82 0.00 0.20 0.92 0.03 97.02 01:02:01 PM 2 1.12 0.00 0.32 1.41 0.07 97.09 01:02:01 PM 3 1.14 0.00 0.22 0.00 0.05 98.60 01:03:01 PM all 8.20 0.00 1.30 0.49 0.08 89.94 01:03:01 PM 0 9.82 0.00 0.99 0.03 0.07 89.09 01:03:01 PM 1 8.41 0.00 1.79 0.57 0.08 89.15 01:03:01 PM 2 6.80 0.00 1.34 0.82 0.10 90.93 01:03:01 PM 3 7.75 0.00 1.09 0.52 0.05 90.59 01:04:02 PM all 18.20 0.00 0.86 0.58 0.07 80.30 01:04:02 PM 0 17.51 0.00 0.82 0.58 0.07 81.02 01:04:02 PM 1 16.80 0.00 0.67 0.78 0.07 81.68 01:04:02 PM 2 23.12 0.00 0.65 0.90 0.07 75.26 01:04:02 PM 3 15.36 0.00 1.29 0.07 0.07 83.22 01:05:01 PM all 8.15 0.00 0.71 6.37 0.05 84.72 01:05:01 PM 0 11.49 0.00 1.02 2.27 0.03 85.19 01:05:01 PM 1 0.70 0.00 0.37 13.06 0.07 85.80 01:05:01 PM 2 16.96 0.00 0.88 9.90 0.05 72.21 01:05:01 PM 3 3.46 0.00 0.56 0.25 0.03 95.69 Average: all 20.99 0.00 1.24 3.22 0.07 74.47 Average: 0 21.20 0.00 1.25 2.75 0.08 74.71 Average: 1 20.94 0.00 1.25 3.46 0.08 74.27 Average: 2 21.77 0.00 1.19 4.07 0.08 72.89 Average: 3 20.04 0.00 1.27 2.61 0.07 76.02