---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5494 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 3.9G 0 3.9G 0% /dev tmpfs 798M 668K 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 484 5313 0 2177 7211 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:11:f6:5e brd ff:ff:ff:ff:ff:ff inet 10.32.6.207/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe11:f65e/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-5494) 02/09/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 99.27 31.51 67.76 1047.29 5637.73 07:07:01 87.00 30.52 56.49 1705.59 8687.63 07:08:01 62.52 8.72 53.81 508.85 6811.40 07:09:01 25.28 1.70 23.58 80.39 4941.84 Average: 68.44 18.06 50.38 831.93 6510.67 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5864044 7380820 2303376 28.20 42936 1648712 735164 7.98 645712 1482984 143316 07:07:01 5544392 7255964 2623028 32.12 59216 1815052 819668 8.89 765692 1658156 88640 07:08:01 5404516 7339432 2762904 33.83 65748 2026396 720424 7.82 797756 1754876 118512 07:09:01 5460604 7402140 2706816 33.14 68068 2030076 660380 7.17 742848 1751952 9456 Average: 5568389 7344589 2599031 31.82 58992 1880059 733909 7.96 738002 1661992 89981 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:02 ens3 432.43 255.37 1446.28 67.36 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 120.67 119.37 555.99 26.54 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 289.44 313.90 1455.29 52.98 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 57.96 62.71 28.95 597.69 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 225.56 188.12 872.93 186.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5494) 02/09/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.54 0.00 1.64 2.93 1.20 71.69 07:06:02 0 5.97 0.00 1.13 6.79 1.10 85.00 07:06:02 1 55.55 0.00 3.57 3.35 2.02 35.52 07:06:02 2 16.42 0.00 0.75 0.90 0.88 81.05 07:06:02 3 12.21 0.00 1.10 0.67 0.83 85.19 07:07:01 all 26.92 0.00 1.74 2.00 1.61 67.74 07:07:01 0 15.24 0.00 1.57 4.35 1.60 77.24 07:07:01 1 49.71 0.00 2.84 0.71 2.03 44.71 07:07:01 2 27.06 0.00 2.00 2.10 1.61 67.23 07:07:01 3 15.71 0.00 0.56 0.83 1.17 81.74 07:08:01 all 38.36 0.00 2.03 0.86 2.72 56.03 07:08:01 0 32.89 0.00 1.84 1.09 2.45 61.72 07:08:01 1 50.68 0.00 1.75 0.47 2.78 44.33 07:08:01 2 32.93 0.00 1.98 1.60 2.81 60.68 07:08:01 3 36.95 0.00 2.55 0.28 2.85 57.37 07:09:01 all 20.82 0.00 1.13 0.80 0.91 76.34 07:09:01 0 6.23 0.00 0.57 0.25 0.40 92.55 07:09:01 1 33.32 0.00 1.48 1.56 1.28 62.37 07:09:01 2 10.80 0.00 1.20 1.00 0.73 86.27 07:09:01 3 32.88 0.00 1.26 0.42 1.23 64.21 Average: all 27.17 0.00 1.63 1.64 1.61 67.94 Average: 0 15.10 0.00 1.28 3.11 1.39 79.12 Average: 1 47.30 0.00 2.40 1.52 2.02 46.75 Average: 2 21.78 0.00 1.48 1.40 1.51 73.83 Average: 3 24.49 0.00 1.37 0.55 1.52 72.07