---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-14777 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 8.9G 11G 47% / 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 476 3951 0 3547 7200 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:09:67:1c brd ff:ff:ff:ff:ff:ff inet 10.32.6.42/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:fe09:671c/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-14777) 10/10/26 _x86_64_ (4 CPU) 11:16:55 LINUX RESTART (4 CPU) 11:17:02 tps rtps wtps bread/s bwrtn/s 11:18:01 156.91 56.35 100.56 3686.75 42848.81 11:19:01 124.86 36.53 88.34 2248.83 50697.95 11:20:01 12.40 0.02 12.38 0.13 559.64 11:21:01 55.44 2.65 52.79 179.97 9219.66 Average: 87.12 23.75 63.36 1519.98 25761.04 11:17:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:18:01 5930948 7488324 2236464 27.38 49268 1679020 605924 6.57 497076 1557736 188448 11:19:01 4327284 7270940 3840128 47.02 59432 3029252 777728 8.44 741332 2865240 4740 11:20:01 4307440 7261260 3859972 47.26 62120 3035436 777728 8.44 753180 2870132 2004 11:21:01 4077688 7400608 4089724 50.07 67964 3389936 648200 7.03 646728 3190744 122900 Average: 4660840 7355283 3506572 42.93 59696 2783411 702395 7.62 659579 2620963 79523 11:17:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:18:01 ens3 385.16 240.73 1613.23 68.35 0.00 0.00 0.00 0.00 11:18:01 lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 11:19:01 ens3 942.28 528.81 19294.91 51.39 0.00 0.00 0.00 0.00 11:19:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 11:20:01 ens3 61.86 91.15 61.14 20.53 0.00 0.00 0.00 0.00 11:20:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:21:01 ens3 480.29 475.30 4039.57 74.73 0.00 0.00 0.00 0.00 11:21:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 467.73 334.39 6271.42 53.69 0.00 0.00 0.00 0.00 Average: lo 0.79 0.79 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14777) 10/10/26 _x86_64_ (4 CPU) 11:16:55 LINUX RESTART (4 CPU) 11:17:02 CPU %user %nice %system %iowait %steal %idle 11:18:01 all 21.48 0.00 1.96 4.50 0.08 71.98 11:18:01 0 18.72 0.00 2.05 4.69 0.07 74.48 11:18:01 1 9.31 0.00 0.80 2.47 0.07 87.35 11:18:01 2 9.45 0.00 1.44 7.05 0.05 82.01 11:18:01 3 48.47 0.00 3.54 3.76 0.12 44.11 11:19:01 all 18.84 0.00 1.58 2.81 0.08 76.70 11:19:01 0 8.47 0.00 0.86 4.44 0.03 86.19 11:19:01 1 13.20 0.00 1.79 1.19 0.08 83.73 11:19:01 2 10.28 0.00 1.32 4.56 0.07 83.77 11:19:01 3 43.52 0.00 2.33 1.06 0.15 52.94 11:20:01 all 4.93 0.00 0.30 0.03 0.03 94.71 11:20:01 0 1.62 0.00 0.07 0.00 0.02 98.30 11:20:01 1 7.28 0.00 0.85 0.00 0.05 91.81 11:20:01 2 2.18 0.00 0.12 0.00 0.02 97.68 11:20:01 3 8.65 0.00 0.17 0.13 0.03 91.01 11:21:01 all 17.35 0.00 1.48 0.76 0.08 80.34 11:21:01 0 14.30 0.00 1.13 0.23 0.05 84.28 11:21:01 1 11.05 0.00 1.02 0.85 0.05 87.03 11:21:01 2 13.73 0.00 1.18 0.22 0.07 84.80 11:21:01 3 30.32 0.00 2.56 1.74 0.13 65.26 Average: all 15.61 0.00 1.32 2.01 0.07 80.98 Average: 0 10.71 0.00 1.02 2.33 0.04 85.90 Average: 1 10.22 0.00 1.12 1.12 0.06 87.48 Average: 2 8.91 0.00 1.01 2.94 0.05 87.09 Average: 3 32.66 0.00 2.14 1.66 0.11 63.43