---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9436 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 7.7G 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 457 1172 0 2314 3220 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:23:a9:78 brd ff:ff:ff:ff:ff:ff inet 10.32.6.40/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85984sec preferred_lft 85984sec inet6 fe80::f816:3eff:fe23:a978/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9436) 11/02/24 _x86_64_ (4 CPU) 22:54:43 LINUX RESTART (4 CPU) 22:55:01 tps rtps wtps bread/s bwrtn/s 22:56:02 122.83 37.01 85.82 1697.18 6526.78 22:57:01 75.53 29.55 45.98 1650.97 9210.51 22:58:01 8.57 0.02 8.55 0.13 336.48 22:59:01 36.39 10.56 25.83 730.81 3555.94 23:00:01 6.28 0.10 6.18 3.07 280.75 23:01:01 30.76 3.80 26.96 111.05 2553.57 Average: 46.65 13.46 33.18 696.22 3728.78 22:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:56:02 1695988 3327684 2342664 58.01 53020 1731040 619136 12.17 598412 1564428 188852 22:57:01 1414004 3155916 2624648 64.99 57476 1832432 764740 15.03 778836 1656808 1572 22:58:01 1406440 3155444 2632212 65.18 59284 1836888 768712 15.11 780600 1660532 2192 22:59:01 393020 2268896 3645632 90.27 62048 1957144 1639560 32.23 1700540 1741388 7184 23:00:01 323936 2199976 3714716 91.98 62112 1957232 1679072 33.01 1771816 1738532 76 23:01:01 1194104 3287876 2844548 70.43 65988 2165880 634828 12.48 774504 1860584 145668 Average: 1071249 2899299 2967403 73.48 59988 1913436 1017675 20.00 1067451 1703712 57591 22:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:56:02 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 22:56:02 ens3 136.48 110.18 973.19 26.52 0.00 0.00 0.00 0.00 22:57:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 22:57:01 ens3 112.30 119.37 648.83 24.71 0.00 0.00 0.00 0.00 22:58:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:58:01 ens3 57.61 83.49 64.81 13.55 0.00 0.00 0.00 0.00 22:59:01 lo 0.92 0.92 0.39 0.39 0.00 0.00 0.00 0.00 22:59:01 ens3 233.43 273.39 1594.65 40.58 0.00 0.00 0.00 0.00 23:00:01 lo 13.55 13.55 4.19 4.19 0.00 0.00 0.00 0.00 23:00:01 ens3 2.38 2.12 0.58 0.68 0.00 0.00 0.00 0.00 23:01:01 lo 15.78 15.78 3.49 3.49 0.00 0.00 0.00 0.00 23:01:01 ens3 256.21 267.89 1115.82 49.28 0.00 0.00 0.00 0.00 Average: lo 5.47 5.47 1.39 1.39 0.00 0.00 0.00 0.00 Average: ens3 133.13 142.80 733.21 25.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9436) 11/02/24 _x86_64_ (4 CPU) 22:54:43 LINUX RESTART (4 CPU) 22:55:01 CPU %user %nice %system %iowait %steal %idle 22:56:02 all 19.37 0.00 1.56 3.67 0.05 75.35 22:56:02 0 6.44 0.00 1.05 3.92 0.05 88.53 22:56:02 1 26.10 0.00 1.92 9.39 0.07 62.52 22:56:02 2 37.67 0.00 2.36 1.05 0.07 58.85 22:56:02 3 7.27 0.00 0.90 0.33 0.03 91.46 22:57:01 all 11.60 0.00 0.67 1.19 0.05 86.50 22:57:01 0 8.05 0.00 0.56 1.03 0.05 90.31 22:57:01 1 12.24 0.00 0.82 1.63 0.05 85.26 22:57:01 2 13.84 0.00 1.02 2.04 0.05 83.05 22:57:01 3 12.26 0.00 0.29 0.03 0.03 87.39 22:58:01 all 3.60 0.00 0.21 0.03 0.03 96.14 22:58:01 0 1.52 0.00 0.10 0.00 0.00 98.38 22:58:01 1 6.95 0.00 0.30 0.10 0.07 92.58 22:58:01 2 3.30 0.00 0.22 0.00 0.02 96.46 22:58:01 3 2.64 0.00 0.22 0.00 0.03 97.11 22:59:01 all 26.62 0.00 0.94 0.37 0.07 72.00 22:59:01 0 23.06 0.00 0.87 0.15 0.07 75.85 22:59:01 1 30.70 0.00 0.79 0.70 0.07 67.74 22:59:01 2 29.17 0.00 1.05 0.32 0.07 69.39 22:59:01 3 23.55 0.00 1.02 0.32 0.07 75.04 23:00:01 all 3.17 0.00 0.31 0.12 0.03 96.37 23:00:01 0 2.60 0.00 0.30 0.00 0.03 97.06 23:00:01 1 3.61 0.00 0.27 0.45 0.03 95.64 23:00:01 2 3.34 0.00 0.30 0.02 0.02 96.33 23:00:01 3 3.17 0.00 0.37 0.00 0.03 96.43 23:01:01 all 13.65 0.00 1.03 0.23 0.05 85.04 23:01:01 0 10.34 0.00 1.00 0.08 0.05 88.52 23:01:01 1 13.03 0.00 0.80 0.60 0.05 85.52 23:01:01 2 17.87 0.00 0.80 0.03 0.07 81.23 23:01:01 3 13.36 0.00 1.54 0.18 0.05 84.87 Average: all 13.00 0.00 0.79 0.93 0.05 85.23 Average: 0 8.66 0.00 0.65 0.86 0.04 89.78 Average: 1 15.45 0.00 0.82 2.15 0.06 81.53 Average: 2 17.54 0.00 0.96 0.57 0.05 80.89 Average: 3 10.36 0.00 0.72 0.15 0.04 88.73