---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8484 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 491 5308 0 2175 7204 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:fe:07:91 brd ff:ff:ff:ff:ff:ff inet 10.32.7.63/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fefe:791/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8484) 03/09/26 _x86_64_ (4 CPU) 12:46:53 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 139.54 54.42 85.12 3563.54 40533.93 12:49:01 83.55 30.52 53.02 1725.81 8846.50 12:50:01 71.94 8.88 63.06 511.30 7573.21 12:51:01 26.61 2.73 23.88 121.71 4992.90 Average: 80.40 24.11 56.29 1479.52 15514.08 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 5979652 7400196 2187768 26.79 37068 1563372 712084 7.73 600392 1424164 85176 12:49:01 5584076 7280712 2583344 31.63 57004 1803884 838132 9.09 738828 1648460 104828 12:50:01 5470968 7396760 2696452 33.01 65088 2018248 669344 7.26 739808 1747224 114572 12:51:01 5383200 7322600 2784220 34.09 67460 2028636 726976 7.89 822008 1750920 8696 Average: 5604474 7350067 2562946 31.38 56655 1853535 736634 7.99 725259 1642692 78318 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 12:48:02 ens3 448.14 250.54 1439.25 67.50 0.00 0.00 0.00 0.00 12:49:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 12:49:01 ens3 63.38 51.97 465.96 14.94 0.00 0.00 0.00 0.00 12:50:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 12:50:01 ens3 378.26 395.38 1578.18 70.89 0.00 0.00 0.00 0.00 12:51:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 12:51:01 ens3 59.76 67.62 27.48 610.60 0.00 0.00 0.00 0.00 Average: lo 0.96 0.96 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 238.12 191.97 879.47 191.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8484) 03/09/26 _x86_64_ (4 CPU) 12:46:53 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 22.38 0.00 2.76 4.35 1.15 69.35 12:48:02 0 28.72 0.00 4.90 3.96 1.33 61.09 12:48:02 1 20.70 0.00 2.32 8.55 1.02 67.41 12:48:02 2 12.75 0.00 1.23 0.40 0.83 84.78 12:48:02 3 27.33 0.00 2.63 4.48 1.42 64.13 12:49:01 all 24.70 0.00 1.69 1.99 1.44 70.18 12:49:01 0 19.99 0.00 1.18 1.84 1.33 75.65 12:49:01 1 24.03 0.00 1.72 2.12 1.75 70.38 12:49:01 2 30.43 0.00 1.93 0.29 1.54 65.82 12:49:01 3 24.38 0.00 1.92 3.71 1.10 68.89 12:50:01 all 44.69 0.00 2.40 0.85 3.24 48.80 12:50:01 0 45.97 0.00 2.07 0.58 3.13 48.25 12:50:01 1 46.96 0.00 2.24 1.46 3.20 46.15 12:50:01 2 40.48 0.00 3.17 0.88 3.25 52.23 12:50:01 3 45.33 0.00 2.16 0.50 3.42 48.59 12:51:01 all 20.80 0.00 0.90 0.72 0.95 76.63 12:51:01 0 19.99 0.00 0.80 0.63 1.28 77.31 12:51:01 1 33.51 0.00 1.18 1.93 1.30 62.08 12:51:01 2 23.93 0.00 0.93 0.30 0.80 74.04 12:51:01 3 5.76 0.00 0.68 0.03 0.43 93.09 Average: all 28.18 0.00 1.94 1.98 1.70 66.20 Average: 0 28.72 0.00 2.24 1.75 1.77 65.52 Average: 1 31.35 0.00 1.86 3.51 1.82 61.46 Average: 2 26.90 0.00 1.82 0.47 1.61 69.20 Average: 3 25.75 0.00 1.85 2.17 1.60 68.63