---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-412 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 664K 797M 1% /run /dev/vda1 20G 8.0G 12G 42% / 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 466 4870 0 2639 7222 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:8f:12:19 brd ff:ff:ff:ff:ff:ff inet 10.32.7.165/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:fe8f:1219/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-412) 05/09/26 _x86_64_ (4 CPU) 08:12:55 LINUX RESTART (4 CPU) 08:13:02 tps rtps wtps bread/s bwrtn/s 08:14:01 153.67 67.18 86.49 4402.37 41397.61 08:15:01 84.97 29.71 55.26 1656.92 9328.71 08:16:01 72.78 9.31 63.46 643.39 22709.63 08:17:01 36.74 1.35 35.39 101.72 4811.73 Average: 86.76 26.72 60.04 1689.76 19470.71 08:13:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 6032756 7455640 2134664 26.14 36944 1566240 659428 7.16 542396 1429948 87104 08:15:01 5603668 7302684 2563752 31.39 57068 1806384 849040 9.21 735764 1633028 121164 08:16:01 4714092 6994076 3453328 42.28 62872 2370040 1062384 11.53 1073552 2159844 4968 08:17:01 5058712 7463712 3108708 38.06 67500 2487440 614208 6.66 646256 2236792 24284 Average: 5352307 7304028 2815113 34.47 56096 2057526 796265 8.64 749492 1864903 59380 08:13:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 417.39 244.76 1543.56 66.99 0.00 0.00 0.00 0.00 08:14:01 lo 1.08 1.08 0.10 0.10 0.00 0.00 0.00 0.00 08:15:01 ens3 71.85 61.54 462.33 16.00 0.00 0.00 0.00 0.00 08:15:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 08:16:01 ens3 609.58 505.13 9030.80 83.30 0.00 0.00 0.00 0.00 08:16:01 lo 1.50 1.50 0.20 0.20 0.00 0.00 0.00 0.00 08:17:01 ens3 150.62 175.49 815.83 33.03 0.00 0.00 0.00 0.00 08:17:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 311.93 246.75 2969.32 49.76 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-412) 05/09/26 _x86_64_ (4 CPU) 08:12:55 LINUX RESTART (4 CPU) 08:13:02 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.02 0.00 2.81 5.17 1.79 68.21 08:14:01 0 9.29 0.00 1.62 7.41 1.65 80.03 08:14:01 1 11.69 0.00 1.49 6.98 1.37 78.46 08:14:01 2 33.55 0.00 2.75 4.22 2.25 57.23 08:14:01 3 33.58 0.00 5.39 2.05 1.86 57.12 08:15:01 all 23.36 0.00 1.59 2.07 1.55 71.43 08:15:01 0 13.71 0.00 0.68 1.53 1.52 82.56 08:15:01 1 15.68 0.00 1.52 4.99 1.25 76.56 08:15:01 2 51.30 0.00 3.38 0.91 2.49 41.92 08:15:01 3 12.71 0.00 0.80 0.87 0.90 84.72 08:16:01 all 41.69 0.00 2.19 0.90 4.58 50.64 08:16:01 0 35.78 0.00 2.07 0.58 4.43 57.14 08:16:01 1 42.83 0.00 1.71 2.09 4.33 49.03 08:16:01 2 38.55 0.00 3.08 0.75 5.19 52.43 08:16:01 3 49.62 0.00 1.88 0.20 4.35 43.95 08:17:01 all 22.61 0.00 1.42 0.63 1.93 73.40 08:17:01 0 30.55 0.00 2.47 0.10 1.92 64.96 08:17:01 1 12.25 0.00 0.75 2.12 1.31 83.57 08:17:01 2 28.87 0.00 1.44 0.10 2.64 66.95 08:17:01 3 18.74 0.00 1.05 0.22 1.83 78.17 Average: all 27.45 0.00 2.00 2.18 2.46 65.90 Average: 0 22.41 0.00 1.71 2.38 2.39 71.11 Average: 1 20.67 0.00 1.37 4.03 2.07 71.87 Average: 2 38.07 0.00 2.66 1.48 3.15 54.64 Average: 3 28.65 0.00 2.26 0.83 2.24 66.02