---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2146 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 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 457 5303 0 2214 7236 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:1e:e9:15 brd ff:ff:ff:ff:ff:ff inet 10.32.7.141/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe1e:e915/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2146) 05/02/26 _x86_64_ (4 CPU) 15:35:58 LINUX RESTART (4 CPU) 15:36:01 tps rtps wtps bread/s bwrtn/s 15:37:02 173.69 90.17 83.52 5078.89 40190.25 15:38:01 67.66 12.74 54.91 270.15 9301.93 15:39:01 77.76 5.95 71.81 393.87 11264.11 15:40:01 32.24 0.83 31.41 87.19 4479.65 Average: 87.92 27.48 60.44 1462.39 16337.79 15:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:37:02 6047984 7438312 2119436 25.95 36280 1535144 681080 7.39 564424 1398076 72000 15:38:01 5634480 7290692 2532940 31.01 56932 1764040 878972 9.54 732640 1609720 120580 15:39:01 5056088 6966576 3111332 38.09 64440 2002580 1046236 11.35 1108660 1793508 33784 15:40:01 5442776 7419668 2724644 33.36 68116 2064284 667760 7.25 677436 1837336 11328 Average: 5545332 7278812 2622088 32.10 56442 1841512 818512 8.88 770790 1659660 59423 15:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:37:02 ens3 387.95 237.78 1250.41 66.73 0.00 0.00 0.00 0.00 15:37:02 lo 2.00 2.00 0.18 0.18 0.00 0.00 0.00 0.00 15:38:01 ens3 86.33 69.43 733.83 15.86 0.00 0.00 0.00 0.00 15:38:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 15:39:01 ens3 432.97 462.65 3190.22 75.12 0.00 0.00 0.00 0.00 15:39:01 lo 1.60 1.60 0.18 0.18 0.00 0.00 0.00 0.00 15:40:01 ens3 78.85 83.19 400.58 19.75 0.00 0.00 0.00 0.00 15:40:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 247.20 213.87 1396.57 44.49 0.00 0.00 0.00 0.00 Average: lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2146) 05/02/26 _x86_64_ (4 CPU) 15:35:58 LINUX RESTART (4 CPU) 15:36:01 CPU %user %nice %system %iowait %steal %idle 15:37:02 all 21.20 0.00 2.64 5.98 2.10 68.08 15:37:02 0 18.91 0.00 1.91 9.79 1.76 67.64 15:37:02 1 25.59 0.00 4.57 3.36 1.91 64.58 15:37:02 2 23.95 0.00 2.27 5.21 2.12 66.43 15:37:02 3 16.41 0.00 1.80 5.57 2.60 73.63 15:38:01 all 24.12 0.00 1.48 1.96 1.81 70.63 15:38:01 0 29.47 0.00 1.88 1.25 1.57 65.83 15:38:01 1 19.63 0.00 1.18 0.05 0.98 78.16 15:38:01 2 40.25 0.00 1.84 1.15 2.20 54.56 15:38:01 3 7.38 0.00 1.00 5.36 2.47 83.79 15:39:01 all 41.15 0.00 1.98 1.42 4.12 51.33 15:39:01 0 38.51 0.00 1.27 0.99 3.81 55.43 15:39:01 1 43.92 0.00 2.85 1.57 3.92 47.74 15:39:01 2 45.06 0.00 1.97 1.53 4.72 46.72 15:39:01 3 37.11 0.00 1.85 1.57 4.02 55.45 15:40:01 all 22.35 0.00 1.13 1.04 1.40 74.09 15:40:01 0 14.55 0.00 0.61 0.15 1.40 83.28 15:40:01 1 17.32 0.00 0.80 2.67 1.26 77.95 15:40:01 2 16.22 0.00 1.41 0.96 1.10 80.32 15:40:01 3 41.37 0.00 1.70 0.40 1.83 54.71 Average: all 27.23 0.00 1.81 2.60 2.36 66.00 Average: 0 25.35 0.00 1.41 3.05 2.14 68.05 Average: 1 26.66 0.00 2.35 1.92 2.03 67.04 Average: 2 31.36 0.00 1.88 2.22 2.54 62.01 Average: 3 25.57 0.00 1.59 3.23 2.73 66.88