---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10909 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: 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 664K 797M 1% /run /dev/vda1 20G 7.6G 12G 40% / 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 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 479 5345 0 2151 7218 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:99:52:50 brd ff:ff:ff:ff:ff:ff inet 10.32.7.172/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fe99:5250/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10909) 12/04/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 117.73 47.31 70.42 3347.84 6856.07 07:07:01 84.10 30.01 54.09 1677.19 8668.56 07:08:01 61.29 8.92 52.37 508.45 10236.56 07:09:01 21.24 0.35 20.89 33.72 1457.78 Average: 71.09 21.65 49.44 1391.74 6804.52 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5890624 7383116 2276796 27.88 41080 1627664 739676 8.03 636320 1471928 119380 07:07:01 5582980 7296212 2584440 31.64 59528 1816360 800108 8.68 729388 1658508 108048 07:08:01 5487560 7399808 2679860 32.81 63644 2007692 685356 7.44 738988 1737404 26988 07:09:01 5477044 7392736 2690376 32.94 65568 2009052 679820 7.38 749440 1736244 10876 Average: 5609552 7367968 2557868 31.32 57455 1865192 726240 7.88 713534 1651021 66323 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 500.40 278.69 1476.45 68.97 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 130.69 114.88 505.57 27.29 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 248.34 252.69 1196.72 628.40 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 12.95 13.96 9.39 15.28 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 223.09 165.05 797.00 184.98 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10909) 12/04/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 24.13 0.00 1.83 3.36 0.91 69.76 07:06:01 0 43.47 0.00 1.80 1.23 1.32 52.17 07:06:01 1 23.36 0.00 2.14 4.97 0.87 68.66 07:06:01 2 21.34 0.00 2.21 2.78 0.94 72.74 07:06:01 3 8.31 0.00 1.22 4.44 0.50 85.53 07:07:01 all 26.50 0.00 1.50 1.71 1.01 69.28 07:07:01 0 14.89 0.00 0.53 0.40 0.62 83.56 07:07:01 1 27.83 0.00 1.27 2.14 0.95 67.81 07:07:01 2 24.82 0.00 2.07 3.33 1.19 68.59 07:07:01 3 38.46 0.00 2.09 0.97 1.34 57.14 07:08:01 all 31.35 0.00 1.58 1.31 1.49 64.26 07:08:01 0 32.67 0.00 1.23 0.20 1.50 64.39 07:08:01 1 55.97 0.00 2.17 1.54 2.02 38.31 07:08:01 2 17.42 0.00 1.64 1.60 1.24 78.10 07:08:01 3 19.36 0.00 1.32 1.90 1.18 76.24 07:09:01 all 21.30 0.00 0.84 0.57 0.62 76.68 07:09:01 0 32.29 0.00 0.97 0.07 0.78 65.89 07:09:01 1 2.34 0.00 0.30 0.00 0.15 97.22 07:09:01 2 6.66 0.00 0.70 1.48 0.40 90.76 07:09:01 3 44.02 0.00 1.38 0.75 1.18 52.67 Average: all 25.82 0.00 1.44 1.74 1.01 70.00 Average: 0 30.83 0.00 1.13 0.48 1.05 66.50 Average: 1 27.32 0.00 1.47 2.16 1.00 68.06 Average: 2 17.55 0.00 1.65 2.30 0.94 77.56 Average: 3 27.55 0.00 1.50 2.01 1.05 67.88