---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10517 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 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 461 5253 0 2261 7234 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:5e:3e:b4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.185/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe5e:3eb4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10517) 04/04/26 _x86_64_ (4 CPU) 12:27:53 LINUX RESTART (4 CPU) 12:28:01 tps rtps wtps bread/s bwrtn/s 12:29:01 140.58 54.76 85.82 3587.14 40598.98 12:30:01 86.09 29.79 56.31 1657.70 9048.28 12:31:01 69.25 8.55 60.70 490.40 11460.53 12:32:01 24.04 0.68 23.36 77.71 3778.74 Average: 79.99 23.44 56.54 1453.24 16220.72 12:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 5972640 7394828 2194772 26.87 37172 1565132 728316 7.90 604492 1427356 85268 12:30:01 5632908 7332920 2534504 31.03 57748 1806372 794544 8.62 706488 1631488 102980 12:31:01 5326424 7353812 2840988 34.78 64344 2119980 739308 8.02 752772 1877984 94448 12:32:01 5370544 7395280 2796868 34.24 66360 2115084 698484 7.58 716572 1869528 9884 Average: 5575629 7369210 2591783 31.73 56406 1901642 740163 8.03 695081 1701589 73145 12:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 ens3 373.85 204.47 1452.89 63.98 0.00 0.00 0.00 0.00 12:29:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:30:01 ens3 76.96 70.45 482.61 16.94 0.00 0.00 0.00 0.00 12:30:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 12:31:01 ens3 379.77 355.40 3616.71 70.37 0.00 0.00 0.00 0.00 12:31:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 12:32:01 ens3 11.70 11.83 8.97 5.73 0.00 0.00 0.00 0.00 12:32:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 210.54 160.51 1390.07 39.25 0.00 0.00 0.00 0.00 Average: lo 0.87 0.87 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-10517) 04/04/26 _x86_64_ (4 CPU) 12:27:53 LINUX RESTART (4 CPU) 12:28:01 CPU %user %nice %system %iowait %steal %idle 12:29:01 all 21.07 0.00 2.66 5.10 2.90 68.27 12:29:01 0 19.99 0.00 3.52 1.99 2.75 71.75 12:29:01 1 31.01 0.00 1.64 4.01 3.26 60.08 12:29:01 2 23.62 0.00 3.54 7.31 2.84 62.69 12:29:01 3 9.67 0.00 1.94 7.08 2.75 78.56 12:30:01 all 24.02 0.00 1.60 2.43 2.80 69.14 12:30:01 0 15.47 0.00 1.18 4.56 2.32 76.46 12:30:01 1 38.75 0.00 2.24 2.49 2.97 53.56 12:30:01 2 19.75 0.00 1.46 2.06 3.19 73.54 12:30:01 3 22.16 0.00 1.50 0.64 2.73 72.96 12:31:01 all 33.00 0.00 1.85 1.20 5.33 58.63 12:31:01 0 23.33 0.00 1.40 0.74 5.24 69.29 12:31:01 1 25.78 0.00 2.06 1.04 5.23 65.90 12:31:01 2 40.84 0.00 2.29 1.71 5.40 49.76 12:31:01 3 42.07 0.00 1.67 1.34 5.41 49.51 12:32:01 all 16.90 0.00 0.98 1.04 1.45 79.63 12:32:01 0 2.74 0.00 0.48 0.38 1.40 95.01 12:32:01 1 7.74 0.00 1.10 3.10 0.86 87.20 12:32:01 2 4.20 0.00 0.58 0.12 0.83 94.27 12:32:01 3 53.03 0.00 1.79 0.52 2.72 41.93 Average: all 23.76 0.00 1.77 2.44 3.12 68.90 Average: 0 15.38 0.00 1.64 1.91 2.93 78.13 Average: 1 25.83 0.00 1.76 2.66 3.09 66.67 Average: 2 22.14 0.00 1.97 2.80 3.07 70.03 Average: 3 31.72 0.00 1.72 2.39 3.41 60.76