---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5807 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 447 5379 0 2148 7249 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:c0:cd:92 brd ff:ff:ff:ff:ff:ff inet 10.32.7.249/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86084sec preferred_lft 86084sec inet6 fe80::f816:3eff:fec0:cd92/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5807) 10/07/25 _x86_64_ (4 CPU) 07:04:52 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 130.21 54.57 75.64 3578.07 39415.31 07:07:01 46.97 0.22 46.75 27.11 7196.34 07:08:01 99.33 37.64 61.69 2141.78 10451.32 07:09:01 26.46 1.37 25.10 68.52 4959.57 07:10:01 20.33 0.08 20.25 2.80 1398.17 Average: 64.72 18.84 45.88 1167.42 12702.31 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6096272 7468696 2071148 25.36 34652 1518644 633756 6.88 531196 1379740 63472 07:07:01 5871588 7447676 2295832 28.11 51640 1694668 648056 7.03 559480 1554536 133356 07:08:01 5420876 7205804 2746544 33.63 61080 1884496 863304 9.37 863804 1679152 5388 07:09:01 5546944 7460332 2620476 32.08 63940 2008124 624384 6.78 677976 1736824 25416 07:10:01 5451844 7367248 2715576 33.25 65800 2008284 717636 7.79 773792 1735508 10800 Average: 5677505 7389951 2489915 30.49 55422 1822843 697427 7.57 681250 1617152 47686 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 171.40 130.43 1035.78 55.25 0.00 0.00 0.00 0.00 07:06:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 07:07:01 ens3 48.54 35.28 677.81 5.05 0.00 0.00 0.00 0.00 07:07:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 07:08:01 ens3 206.50 207.50 1163.11 43.73 0.00 0.00 0.00 0.00 07:08:01 lo 1.50 1.50 0.15 0.15 0.00 0.00 0.00 0.00 07:09:01 ens3 94.07 112.13 281.95 623.62 0.00 0.00 0.00 0.00 07:09:01 lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 07:10:01 ens3 8.67 10.41 6.51 4.76 0.00 0.00 0.00 0.00 07:10:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 106.03 99.36 632.88 146.95 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5807) 10/07/25 _x86_64_ (4 CPU) 07:04:52 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 18.59 0.00 2.25 5.93 6.54 66.68 07:06:02 0 12.53 0.00 2.43 6.11 4.48 74.45 07:06:02 1 17.67 0.00 2.07 7.92 7.42 64.91 07:06:02 2 27.46 0.00 2.20 2.90 7.55 59.89 07:06:02 3 16.61 0.00 2.30 6.80 6.67 67.62 07:07:01 all 16.55 0.00 1.12 2.89 2.58 76.86 07:07:01 0 15.71 0.00 0.91 4.06 1.91 77.41 07:07:01 1 7.96 0.00 0.70 0.18 1.72 89.43 07:07:01 2 22.28 0.00 1.41 0.41 3.78 72.12 07:07:01 3 20.20 0.00 1.49 6.92 2.89 68.50 07:08:01 all 32.72 0.00 1.91 3.11 8.48 53.77 07:08:01 0 41.80 0.00 1.95 2.52 8.23 45.50 07:08:01 1 26.59 0.00 1.44 1.77 7.43 62.76 07:08:01 2 36.26 0.00 2.76 5.12 10.65 45.22 07:08:01 3 26.20 0.00 1.44 3.03 7.62 61.71 07:09:01 all 20.27 0.00 1.22 1.08 3.26 74.17 07:09:01 0 37.56 0.00 1.60 0.35 3.09 57.40 07:09:01 1 35.82 0.00 1.48 0.56 4.19 57.95 07:09:01 2 4.82 0.00 0.82 0.95 3.50 89.92 07:09:01 3 3.12 0.00 1.00 2.46 2.27 91.15 07:10:01 all 20.14 0.00 0.85 1.09 2.73 75.19 07:10:01 0 23.55 0.00 0.74 1.06 2.03 72.62 07:10:01 1 27.27 0.00 1.46 0.99 3.01 67.28 07:10:01 2 23.06 0.00 0.77 0.53 2.78 72.86 07:10:01 3 6.89 0.00 0.41 1.80 3.08 87.83 Average: all 21.70 0.00 1.47 2.83 4.74 69.26 Average: 0 26.30 0.00 1.53 2.82 3.97 65.38 Average: 1 23.10 0.00 1.44 2.31 4.78 68.37 Average: 2 22.83 0.00 1.60 2.00 5.68 67.88 Average: 3 14.60 0.00 1.33 4.19 4.52 75.37