---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8517 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 7.7G 12G 41% / 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 471 5158 0 2345 7221 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:fb:5c:55 brd ff:ff:ff:ff:ff:ff inet 10.32.7.153/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86056sec preferred_lft 86056sec inet6 fe80::f816:3eff:fefb:5c55/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8517) 08/17/26 _x86_64_ (4 CPU) 07:05:04 LINUX RESTART (4 CPU) 07:06:02 tps rtps wtps bread/s bwrtn/s 07:07:01 44.48 2.41 42.07 50.29 6200.34 07:08:01 83.79 30.88 52.91 1719.58 10982.70 07:09:01 32.39 7.53 24.86 538.31 7137.34 07:10:01 23.73 1.95 21.78 110.90 5923.23 Average: 46.10 10.73 35.38 607.04 7566.47 07:06:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:07:01 5864684 7453536 2302736 28.19 50428 1708664 656492 7.12 550624 1570248 172264 07:08:01 5582792 7449220 2584628 31.65 61084 1963760 813504 8.83 594072 1783724 123376 07:09:01 5251292 7359924 2916128 35.70 66492 2195252 707616 7.68 786464 1912144 156728 07:10:01 5317592 7428496 2849828 34.89 68336 2195432 658772 7.15 733200 1899136 7488 Average: 5504090 7422794 2663330 32.61 61585 2015777 709096 7.69 666090 1791313 114964 07:06:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:07:01 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 07:07:01 ens3 33.36 25.18 795.62 3.83 0.00 0.00 0.00 0.00 07:08:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 93.48 81.59 1036.60 19.28 0.00 0.00 0.00 0.00 07:09:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:09:01 ens3 85.79 70.54 1440.90 14.29 0.00 0.00 0.00 0.00 07:10:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 07:10:01 ens3 54.52 69.46 29.16 662.45 0.00 0.00 0.00 0.00 Average: lo 0.98 0.98 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 66.92 61.84 825.66 175.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8517) 08/17/26 _x86_64_ (4 CPU) 07:05:04 LINUX RESTART (4 CPU) 07:06:02 CPU %user %nice %system %iowait %steal %idle 07:07:01 all 16.74 0.00 1.17 3.05 3.97 75.08 07:07:01 0 9.26 0.00 0.64 0.41 5.18 84.52 07:07:01 1 1.88 0.00 0.29 0.00 1.31 96.52 07:07:01 2 8.53 0.00 0.82 3.90 2.72 84.04 07:07:01 3 47.32 0.00 2.93 7.91 6.59 35.25 07:08:01 all 21.01 0.00 1.59 2.84 6.90 67.65 07:08:01 0 34.76 0.00 1.14 1.19 7.58 55.33 07:08:01 1 10.44 0.00 1.39 1.55 6.31 80.31 07:08:01 2 17.02 0.00 2.14 6.45 6.37 68.02 07:08:01 3 21.91 0.00 1.75 2.18 7.33 66.82 07:09:01 all 30.79 0.00 1.73 1.08 10.58 55.82 07:09:01 0 25.67 0.00 1.34 0.91 9.68 62.40 07:09:01 1 32.61 0.00 1.97 1.26 11.35 52.82 07:09:01 2 32.55 0.00 1.68 1.65 10.79 53.34 07:09:01 3 32.31 0.00 1.91 0.53 10.49 54.76 07:10:01 all 18.02 0.00 1.04 1.13 3.54 76.26 07:10:01 0 9.68 0.00 1.12 1.47 2.18 85.55 07:10:01 1 30.12 0.00 0.94 0.79 3.91 64.24 07:10:01 2 13.01 0.00 1.00 0.70 3.65 81.64 07:10:01 3 19.30 0.00 1.09 1.57 4.41 73.63 Average: all 21.70 0.00 1.39 2.02 6.28 68.61 Average: 0 19.88 0.00 1.06 0.99 6.18 71.89 Average: 1 18.93 0.00 1.16 0.91 5.79 73.21 Average: 2 17.87 0.00 1.41 3.17 5.91 71.64 Average: 3 30.12 0.00 1.91 3.02 7.22 57.73