---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10597 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 477 5320 0 2177 7218 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:6f:95:a7 brd ff:ff:ff:ff:ff:ff inet 10.32.7.146/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fe6f:95a7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10597) 04/05/26 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 149.23 65.57 83.65 4251.56 40154.52 07:07:01 84.92 30.48 54.44 1728.91 9547.81 07:08:01 69.81 8.88 60.92 511.38 7392.37 07:09:01 28.34 3.36 24.97 130.20 4973.11 Average: 83.06 27.06 56.00 1655.08 15540.79 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6011136 7401584 2156284 26.40 36524 1534436 713164 7.74 597040 1396076 70484 07:07:01 5629780 7327124 2537640 31.07 56920 1804840 850260 9.23 691516 1649652 100228 07:08:01 5535592 7462948 2631828 32.22 64980 2019964 611616 6.64 672624 1749204 113100 07:09:01 5415240 7357432 2752180 33.70 67540 2031464 716984 7.78 787892 1752992 8404 Average: 5647937 7387272 2519483 30.85 56491 1847676 723006 7.85 687268 1636981 73054 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 07:06:02 ens3 372.59 214.95 1198.13 65.87 0.00 0.00 0.00 0.00 07:07:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 69.65 55.30 718.57 16.38 0.00 0.00 0.00 0.00 07:08:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 07:08:01 ens3 326.38 362.27 1575.37 61.64 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 07:09:01 ens3 59.67 61.37 29.15 600.73 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 Average: ens3 207.63 173.95 880.90 186.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10597) 04/05/26 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 20.24 0.00 2.59 5.19 3.15 68.83 07:06:02 0 20.02 0.00 1.96 2.52 2.75 72.76 07:06:02 1 36.06 0.00 2.17 4.63 3.76 53.38 07:06:02 2 15.54 0.00 4.52 4.82 3.23 71.89 07:06:02 3 9.36 0.00 1.72 8.77 2.88 77.27 07:07:01 all 21.20 0.00 1.42 2.62 2.32 72.45 07:07:01 0 28.19 0.00 1.79 0.40 2.49 67.12 07:07:01 1 21.61 0.00 1.60 8.31 2.58 65.90 07:07:01 2 28.87 0.00 1.85 1.58 2.81 64.89 07:07:01 3 6.07 0.00 0.44 0.19 1.42 91.89 07:08:01 all 41.37 0.00 2.45 0.71 7.97 47.50 07:08:01 0 39.16 0.00 3.00 0.61 8.34 48.90 07:08:01 1 39.06 0.00 2.54 0.72 7.70 49.98 07:08:01 2 39.41 0.00 1.69 1.33 7.46 50.11 07:08:01 3 47.87 0.00 2.55 0.18 8.36 41.04 07:09:01 all 20.00 0.00 0.87 0.99 1.66 76.48 07:09:01 0 29.93 0.00 1.01 0.55 2.04 66.48 07:09:01 1 5.31 0.00 0.56 0.07 0.85 93.22 07:09:01 2 34.79 0.00 0.94 3.28 2.49 58.50 07:09:01 3 9.94 0.00 0.96 0.07 1.29 87.74 Average: all 25.77 0.00 1.83 2.37 3.80 66.23 Average: 0 29.36 0.00 1.94 1.02 3.92 63.76 Average: 1 25.59 0.00 1.72 3.40 3.74 65.54 Average: 2 29.68 0.00 2.25 2.75 4.01 61.31 Average: 3 18.46 0.00 1.43 2.31 3.51 74.30