---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1255 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 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 xtopology 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 arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 696K 797M 1% /run /dev/vda1 20G 11G 8.9G 54% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7976 528 3742 0 3704 7149 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: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:0b:74:32 brd ff:ff:ff:ff:ff:ff inet 10.32.6.222/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85868sec preferred_lft 85868sec inet6 fe80::f816:3eff:fe0b:7432/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:eb:76:dc: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:ebff:fe76:dc05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1255) 12/20/25 _x86_64_ (4 CPU) 11:47:05 LINUX RESTART (4 CPU) 11:48:01 tps rtps wtps bread/s bwrtn/s 11:49:01 50.65 3.52 47.13 54.52 6173.94 11:50:01 89.12 30.76 58.36 1657.05 10380.27 11:51:01 24.51 8.90 15.61 764.01 8233.16 11:52:01 103.63 5.37 98.27 513.38 52362.74 11:53:01 5.38 1.12 4.27 29.06 80.65 11:54:01 7.37 0.00 7.37 0.00 98.38 11:55:01 25.08 3.80 21.28 159.57 7588.74 Average: 43.68 7.64 36.04 453.96 12130.94 11:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:49:01 5729188 7422980 2438240 29.85 52932 1812132 973748 10.57 591048 1661512 149016 11:50:01 5302460 7248552 2864968 35.08 63444 2042928 1145816 12.43 779124 1877508 87596 11:51:01 4056428 6185224 4111000 50.33 68660 2213820 2249124 24.40 1909400 1975880 9984 11:52:01 2640708 5894620 5526720 67.67 102536 3223460 3086780 33.49 2292776 2895192 224 11:53:01 2149116 5404424 6018312 73.69 102768 3224664 3318008 36.00 2819208 2860492 836 11:54:01 2047504 5304956 6119924 74.93 102860 3224736 3346832 36.32 2916872 2860540 176 11:55:01 3829900 7311308 4337528 53.11 108412 3435248 1113312 12.08 987960 3009944 30964 Average: 3679329 6396009 4488099 54.95 85945 2739570 2176231 23.61 1756627 2448724 39828 11:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:49:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 11:49:01 ens3 85.27 68.64 917.43 7.02 0.00 0.00 0.00 0.00 11:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 11:50:01 ens3 113.23 89.52 1480.29 17.89 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:51:01 ens3 208.67 194.27 2294.27 26.87 0.00 0.00 0.00 0.00 11:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 lo 2.58 2.58 0.33 0.33 0.00 0.00 0.00 0.00 11:52:01 veth6c6a7c9 0.08 0.17 0.01 0.01 0.00 0.00 0.00 0.00 11:52:01 ens3 810.16 395.35 7983.35 30.61 0.00 0.00 0.00 0.00 11:52:01 docker0 0.25 0.32 0.01 0.02 0.00 0.00 0.00 0.00 11:53:01 lo 245.76 245.76 65.98 65.98 0.00 0.00 0.00 0.00 11:53:01 ens3 3.23 3.48 1.05 0.87 0.00 0.00 0.00 0.00 11:53:01 docker0 1.93 1.90 0.30 0.63 0.00 0.00 0.00 0.00 11:53:01 veth47dd35b 0.37 0.65 0.02 0.05 0.00 0.00 0.00 0.00 11:54:01 lo 1159.16 1159.16 353.64 353.64 0.00 0.00 0.00 0.00 11:54:01 ens3 1.68 2.40 0.35 0.53 0.00 0.00 0.00 0.00 11:54:01 docker0 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 11:54:01 veth47dd35b 0.18 0.20 0.01 0.01 0.00 0.00 0.00 0.00 11:55:01 lo 19.25 19.25 4.29 4.29 0.00 0.00 0.00 0.00 11:55:01 ens3 126.98 119.80 1251.49 22.95 0.00 0.00 0.00 0.00 11:55:01 docker0 0.08 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 204.14 204.14 60.63 60.63 0.00 0.00 0.00 0.00 Average: ens3 192.74 124.78 1989.71 15.25 0.00 0.00 0.00 0.00 Average: docker0 0.35 0.35 0.05 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1255) 12/20/25 _x86_64_ (4 CPU) 11:47:05 LINUX RESTART (4 CPU) 11:48:01 CPU %user %nice %system %iowait %steal %idle 11:49:01 all 19.40 0.00 1.38 2.00 1.20 76.02 11:49:01 0 15.23 0.00 1.10 0.52 0.70 82.45 11:49:01 1 6.22 0.00 1.03 5.76 0.73 86.25 11:49:01 2 16.91 0.00 1.31 0.96 1.44 79.38 11:49:01 3 39.25 0.00 2.08 0.77 1.88 56.03 11:50:01 all 19.45 0.00 1.29 2.10 2.37 74.78 11:50:01 0 9.10 0.00 0.59 1.54 1.82 86.96 11:50:01 1 19.12 0.00 1.48 1.16 2.36 75.87 11:50:01 2 16.73 0.00 0.92 2.86 2.16 77.33 11:50:01 3 32.94 0.00 2.15 2.82 3.16 58.93 11:51:01 all 46.04 0.00 1.45 0.52 6.24 45.76 11:51:01 0 42.81 0.00 1.58 0.39 6.36 48.85 11:51:01 1 40.59 0.00 1.48 0.77 5.88 51.28 11:51:01 2 58.18 0.00 0.66 0.15 5.91 35.10 11:51:01 3 42.60 0.00 2.10 0.75 6.81 47.74 11:52:01 all 25.02 0.00 6.74 1.66 4.43 62.15 11:52:01 0 27.77 0.00 7.37 2.56 4.65 57.64 11:52:01 1 23.08 0.00 7.29 1.95 4.44 63.24 11:52:01 2 26.06 0.00 5.00 0.98 4.19 63.77 11:52:01 3 23.18 0.00 7.27 1.19 4.42 63.94 11:53:01 all 40.20 0.00 2.53 0.09 5.74 51.45 11:53:01 0 36.53 0.00 2.02 0.05 5.04 56.36 11:53:01 1 46.60 0.00 2.93 0.22 6.00 44.25 11:53:01 2 38.05 0.00 2.31 0.00 5.75 53.88 11:53:01 3 39.59 0.00 2.87 0.07 6.16 51.32 11:54:01 all 53.27 0.00 7.06 0.08 10.32 29.28 11:54:01 0 52.90 0.00 7.41 0.00 10.35 29.34 11:54:01 1 53.32 0.00 7.03 0.05 10.26 29.34 11:54:01 2 53.90 0.00 6.90 0.26 10.27 28.67 11:54:01 3 52.95 0.00 6.89 0.02 10.38 29.76 11:55:01 all 29.76 0.00 1.53 0.65 3.16 64.90 11:55:01 0 16.16 0.00 1.01 0.37 2.44 80.02 11:55:01 1 33.12 0.00 1.90 0.35 3.20 61.44 11:55:01 2 25.26 0.00 1.46 1.75 3.41 68.12 11:55:01 3 44.44 0.00 1.72 0.17 3.62 50.05 Average: all 33.34 0.00 3.13 1.01 4.78 57.73 Average: 0 28.68 0.00 3.00 0.77 4.49 63.06 Average: 1 31.79 0.00 3.30 1.46 4.71 58.75 Average: 2 33.61 0.00 2.65 0.99 4.74 58.00 Average: 3 39.30 0.00 3.58 0.83 5.21 51.09