---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8607 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 7.6G 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 473 5327 0 2175 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:0f:c6:dc brd ff:ff:ff:ff:ff:ff inet 10.32.7.73/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe0f:c6dc/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-8607) 03/11/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 102.30 33.94 68.36 1128.96 5476.31 07:07:01 79.54 30.06 49.48 1682.25 7963.34 07:08:01 65.26 8.70 56.56 508.63 7303.83 07:09:01 24.15 2.80 21.35 122.65 4817.46 Average: 67.81 18.87 48.94 860.62 6390.24 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5890100 7376460 2277320 27.88 40924 1621944 724012 7.86 642904 1466332 121572 07:07:01 5587348 7293540 2580072 31.59 58368 1811472 810784 8.80 731224 1653788 102188 07:08:01 5452000 7382816 2715420 33.25 65340 2023204 692384 7.51 758180 1750616 116264 07:09:01 5474080 7419504 2693340 32.98 67408 2035244 649080 7.04 729736 1755244 14900 Average: 5600882 7368080 2566538 31.42 58010 1872966 719065 7.80 715511 1656495 88731 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 387.62 219.79 1442.50 63.43 0.00 0.00 0.00 0.00 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:01 ens3 99.35 99.82 526.44 23.75 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 291.80 329.64 1475.32 60.56 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:09:01 ens3 54.24 62.61 28.08 603.13 0.00 0.00 0.00 0.00 07:09:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 208.26 177.97 868.14 187.71 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8607) 03/11/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 23.02 0.00 1.61 3.49 1.96 69.92 07:06:01 0 7.24 0.00 0.91 6.48 1.76 83.61 07:06:01 1 46.28 0.00 2.29 5.24 2.55 43.64 07:06:01 2 29.46 0.00 2.17 1.52 2.12 64.73 07:06:01 3 9.12 0.00 1.06 0.73 1.44 87.65 07:07:01 all 25.60 0.00 1.51 2.27 2.36 68.26 07:07:01 0 17.53 0.00 0.73 0.22 1.31 80.21 07:07:01 1 17.74 0.00 1.59 5.25 2.02 73.40 07:07:01 2 27.67 0.00 1.82 3.09 2.72 64.70 07:07:01 3 39.38 0.00 1.92 0.53 3.35 54.82 07:08:01 all 42.46 0.00 2.20 0.90 3.86 50.58 07:08:01 0 37.25 0.00 2.28 0.79 3.32 56.36 07:08:01 1 46.12 0.00 2.55 1.49 4.02 45.82 07:08:01 2 44.84 0.00 2.01 1.09 3.95 48.11 07:08:01 3 41.64 0.00 1.96 0.23 4.16 52.00 07:09:01 all 20.96 0.00 1.00 0.82 1.29 75.93 07:09:01 0 1.92 0.00 0.35 0.31 1.33 96.09 07:09:01 1 14.75 0.00 1.09 2.36 1.47 80.34 07:09:01 2 56.32 0.00 1.58 0.47 1.85 39.78 07:09:01 3 11.14 0.00 1.00 0.10 0.53 87.23 Average: all 28.02 0.00 1.58 1.87 2.37 66.16 Average: 0 15.97 0.00 1.07 1.95 1.93 79.08 Average: 1 31.20 0.00 1.88 3.58 2.51 60.82 Average: 2 39.54 0.00 1.90 1.54 2.66 54.36 Average: 3 25.37 0.00 1.49 0.40 2.38 70.37