---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2816 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 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 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 428 1229 0 2285 3249 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:44:d9:03 brd ff:ff:ff:ff:ff:ff inet 10.32.7.73/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86065sec preferred_lft 86065sec inet6 fe80::f816:3eff:fe44:d903/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2816) 02/24/24 _x86_64_ (4 CPU) 23:17:43 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:02 88.59 36.93 51.66 1698.78 6161.37 23:20:01 76.44 29.50 46.94 1649.62 9635.25 23:21:01 10.01 0.00 10.01 0.00 485.65 23:22:01 37.45 10.56 26.89 721.23 3130.16 23:23:01 44.61 4.50 40.11 191.30 6723.28 Average: 51.34 16.25 35.08 849.52 5212.33 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:02 1744224 3357192 2294420 56.81 50680 1717364 598856 11.77 565092 1556084 168076 23:20:01 1472780 3227180 2565864 63.53 57660 1844740 731576 14.38 709408 1669096 5788 23:21:01 1447016 3208276 2591628 64.17 59420 1849060 743560 14.62 729580 1672704 1832 23:22:01 623484 2494908 3415160 84.56 62124 1952512 1380176 27.13 1473792 1737316 1404 23:23:01 1258444 3325228 2780200 68.84 69420 2135952 616524 12.12 727928 1844476 46844 Average: 1309190 3122557 2729454 67.58 59861 1899926 814138 16.00 841160 1695935 44789 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:02 ens3 106.70 89.97 1095.76 19.02 0.00 0.00 0.00 0.00 23:19:02 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 23:20:01 ens3 132.67 123.27 662.06 27.37 0.00 0.00 0.00 0.00 23:20:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 23:21:01 ens3 56.21 81.15 67.23 13.03 0.00 0.00 0.00 0.00 23:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:22:01 ens3 219.56 250.92 1342.09 37.03 0.00 0.00 0.00 0.00 23:22:01 lo 87.22 87.22 32.17 32.17 0.00 0.00 0.00 0.00 23:23:01 ens3 240.69 262.52 1138.73 50.06 0.00 0.00 0.00 0.00 23:23:01 lo 32.63 32.63 4.22 4.22 0.00 0.00 0.00 0.00 Average: ens3 151.23 161.70 861.85 29.31 0.00 0.00 0.00 0.00 Average: lo 24.61 24.61 7.36 7.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2816) 02/24/24 _x86_64_ (4 CPU) 23:17:43 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:02 all 20.49 0.00 1.49 2.53 0.05 75.44 23:19:02 0 26.71 0.00 1.77 1.37 0.03 70.12 23:19:02 1 18.22 0.00 1.06 0.23 0.03 80.46 23:19:02 2 29.22 0.00 1.94 0.37 0.08 68.39 23:19:02 3 7.81 0.00 1.20 8.19 0.07 82.73 23:20:01 all 14.51 0.00 0.85 1.13 0.06 83.45 23:20:01 0 6.45 0.00 0.81 2.53 0.03 90.18 23:20:01 1 23.63 0.00 1.35 0.85 0.07 74.11 23:20:01 2 14.08 0.00 0.75 0.05 0.05 85.07 23:20:01 3 13.94 0.00 0.49 1.05 0.05 84.46 23:21:01 all 3.94 0.00 0.22 0.05 0.03 95.76 23:21:01 0 0.15 0.00 0.00 0.12 0.02 99.72 23:21:01 1 4.54 0.00 0.20 0.00 0.05 95.21 23:21:01 2 3.74 0.00 0.30 0.00 0.03 95.93 23:21:01 3 7.32 0.00 0.40 0.08 0.03 92.16 23:22:01 all 34.85 0.00 1.19 0.38 0.08 63.51 23:22:01 0 34.52 0.00 1.34 0.88 0.07 63.19 23:22:01 1 31.22 0.00 1.22 0.17 0.07 67.32 23:22:01 2 35.76 0.00 1.20 0.17 0.08 62.79 23:22:01 3 37.89 0.00 1.00 0.30 0.08 60.72 23:23:01 all 21.30 0.00 1.20 0.79 0.06 76.64 23:23:01 0 31.62 0.00 1.52 1.39 0.07 65.40 23:23:01 1 26.57 0.00 1.14 0.25 0.08 71.96 23:23:01 2 14.90 0.00 1.06 0.03 0.05 83.96 23:23:01 3 12.09 0.00 1.05 1.50 0.07 85.29 Average: all 19.03 0.00 0.99 0.98 0.06 78.95 Average: 0 19.93 0.00 1.09 1.25 0.04 77.68 Average: 1 20.83 0.00 0.99 0.30 0.06 77.82 Average: 2 19.56 0.00 1.05 0.12 0.06 79.21 Average: 3 15.81 0.00 0.83 2.23 0.06 81.07