---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7400 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 7.7G 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 463 5257 0 2255 7229 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:c1:7c:23 brd ff:ff:ff:ff:ff:ff inet 10.32.7.132/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86095sec preferred_lft 86095sec inet6 fe80::f816:3eff:fec1:7c23/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7400) 08/03/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 159.46 78.77 80.69 4812.26 40133.73 12:49:01 55.24 0.19 55.06 22.37 9756.85 12:50:01 108.28 37.98 70.30 2167.77 9667.32 12:51:01 32.29 2.72 29.57 136.49 5683.44 Average: 88.96 30.04 58.92 1792.03 16337.31 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 6049616 7440292 2117796 25.93 36352 1535120 683612 7.42 559988 1397808 70312 12:49:01 5670356 7388856 2497056 30.57 56780 1824344 715400 7.76 627136 1672752 175048 12:50:01 5105936 6987716 3061476 37.48 65048 1973044 1135460 12.32 1082740 1765920 5984 12:51:01 5412952 7430104 2754460 33.73 68604 2102888 663312 7.20 715036 1825176 8516 Average: 5559715 7311742 2607697 31.93 56696 1858849 799446 8.67 746225 1665414 64965 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 12:48:02 ens3 469.62 263.86 1264.19 68.06 0.00 0.00 0.00 0.00 12:49:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 12:49:01 ens3 57.31 47.96 682.18 5.21 0.00 0.00 0.00 0.00 12:50:01 lo 1.50 1.50 0.15 0.15 0.00 0.00 0.00 0.00 12:50:01 ens3 319.80 344.18 1483.68 64.17 0.00 0.00 0.00 0.00 12:51:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 12:51:01 ens3 106.51 121.09 319.93 600.92 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 239.06 194.88 938.54 185.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7400) 08/03/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 20.78 0.00 2.63 4.85 1.33 70.41 12:48:02 0 36.35 0.00 2.35 5.44 1.54 54.32 12:48:02 1 12.45 0.00 4.49 7.13 1.10 74.82 12:48:02 2 12.74 0.00 1.68 6.07 1.49 78.02 12:48:02 3 21.62 0.00 2.01 0.75 1.18 74.43 12:49:01 all 20.65 0.00 1.22 1.51 0.99 75.63 12:49:01 0 28.02 0.00 1.77 0.22 1.15 68.84 12:49:01 1 9.54 0.00 0.90 4.14 0.68 84.74 12:49:01 2 44.17 0.00 2.08 1.71 1.98 50.08 12:49:01 3 0.73 0.00 0.10 0.00 0.14 99.03 12:50:01 all 45.15 0.00 2.58 2.20 3.39 46.67 12:50:01 0 42.72 0.00 2.33 2.08 3.24 49.63 12:50:01 1 41.45 0.00 2.84 3.79 3.22 48.71 12:50:01 2 45.99 0.00 2.33 1.34 3.56 46.78 12:50:01 3 50.42 0.00 2.81 1.63 3.56 41.58 12:51:01 all 22.80 0.00 1.27 0.85 1.00 74.08 12:51:01 0 37.24 0.00 1.55 1.33 1.46 58.42 12:51:01 1 11.35 0.00 1.05 0.27 0.62 86.72 12:51:01 2 11.97 0.00 0.72 1.71 0.77 84.83 12:51:01 3 30.67 0.00 1.80 0.07 1.14 66.32 Average: all 27.39 0.00 1.93 2.36 1.68 66.64 Average: 0 36.12 0.00 2.00 2.27 1.85 57.75 Average: 1 18.74 0.00 2.32 3.83 1.41 73.70 Average: 2 28.68 0.00 1.70 2.71 1.95 64.96 Average: 3 25.99 0.00 1.69 0.61 1.51 70.20