---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1977 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 7.8G 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 455 5171 0 2349 7237 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:ef:25:11 brd ff:ff:ff:ff:ff:ff inet 10.32.7.106/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86007sec preferred_lft 86007sec inet6 fe80::f816:3eff:feef:2511/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1977) 08/02/25 _x86_64_ (4 CPU) 15:07:58 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 166.51 85.65 80.85 4959.71 39853.91 15:10:01 56.45 0.22 56.23 27.11 9281.55 15:11:01 65.07 29.68 35.39 1628.93 6743.41 15:12:01 9.70 0.00 9.70 0.00 394.87 15:13:01 43.31 2.15 41.16 115.18 8619.10 15:14:01 28.98 1.88 27.10 100.65 4920.25 Average: 61.68 19.98 41.70 1141.63 11641.44 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 6058616 7440812 2108804 25.82 35608 1527252 682988 7.41 558536 1388884 69544 15:10:01 5794376 7414456 2373044 29.06 54188 1732784 694264 7.53 596216 1585716 115284 15:11:01 5565572 7305872 2601848 31.86 58664 1844460 807712 8.76 713948 1690188 1744 15:12:01 5528436 7276216 2638984 32.31 60628 1849076 815720 8.85 745236 1693820 1172 15:13:01 5337956 7443180 2829464 34.64 64956 2194100 665824 7.22 612716 2001564 104452 15:14:01 5284024 7398996 2883396 35.30 67524 2201164 705224 7.65 664332 2003272 12276 Average: 5594830 7379922 2572590 31.50 56928 1891473 728622 7.91 648497 1727241 50745 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 15:09:02 ens3 327.38 188.35 1177.72 62.65 0.00 0.00 0.00 0.00 15:10:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 15:10:01 ens3 39.50 32.03 558.70 4.39 0.00 0.00 0.00 0.00 15:11:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 15:11:01 ens3 113.40 105.98 914.97 24.93 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 59.02 83.29 65.92 13.71 0.00 0.00 0.00 0.00 15:13:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 596.43 502.02 4098.47 71.27 0.00 0.00 0.00 0.00 15:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:14:01 ens3 15.78 15.31 18.29 7.63 0.00 0.00 0.00 0.00 Average: lo 0.78 0.78 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 192.34 154.83 1140.57 30.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1977) 08/02/25 _x86_64_ (4 CPU) 15:07:58 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 20.13 0.00 2.64 6.21 3.12 67.91 15:09:02 0 10.41 0.00 1.65 8.02 2.36 77.56 15:09:02 1 30.42 0.00 2.53 4.95 3.60 58.50 15:09:02 2 19.20 0.00 4.59 3.48 3.90 68.83 15:09:02 3 20.43 0.00 1.80 8.38 2.59 66.80 15:10:01 all 19.35 0.00 1.27 2.37 2.25 74.77 15:10:01 0 0.22 0.00 0.37 5.03 0.99 93.38 15:10:01 1 17.72 0.00 1.34 3.48 3.22 74.24 15:10:01 2 46.62 0.00 2.48 0.86 3.36 46.69 15:10:01 3 12.77 0.00 0.86 0.10 1.40 84.87 15:11:01 all 14.45 0.00 0.93 1.68 3.30 79.63 15:11:01 0 13.89 0.00 0.94 2.40 3.17 79.60 15:11:01 1 12.80 0.00 0.82 0.61 2.38 83.39 15:11:01 2 18.63 0.00 0.90 2.97 3.79 73.72 15:11:01 3 12.45 0.00 1.07 0.75 3.89 81.83 15:12:01 all 4.86 0.00 0.34 0.05 2.17 92.58 15:12:01 0 0.92 0.00 0.28 0.07 2.03 96.71 15:12:01 1 3.50 0.00 0.13 0.13 1.29 94.94 15:12:01 2 7.97 0.00 0.23 0.00 1.94 89.86 15:12:01 3 7.02 0.00 0.68 0.02 3.39 88.89 15:13:01 all 15.19 0.00 1.50 0.39 4.00 78.92 15:13:01 0 13.16 0.00 1.31 0.64 3.60 81.29 15:13:01 1 13.14 0.00 1.34 0.10 3.35 82.07 15:13:01 2 16.43 0.00 1.39 0.54 3.58 78.06 15:13:01 3 18.00 0.00 1.97 0.28 5.46 74.30 15:14:01 all 19.80 0.00 0.87 1.50 1.91 75.92 15:14:01 0 5.74 0.00 0.66 0.35 1.55 91.71 15:14:01 1 42.78 0.00 1.72 0.84 2.09 52.57 15:14:01 2 16.07 0.00 0.51 4.34 2.17 76.91 15:14:01 3 14.73 0.00 0.59 0.46 1.80 82.41 Average: all 15.61 0.00 1.26 2.03 2.79 78.31 Average: 0 7.42 0.00 0.87 2.74 2.29 86.69 Average: 1 20.05 0.00 1.32 1.68 2.65 74.30 Average: 2 20.73 0.00 1.68 2.03 3.12 72.44 Average: 3 14.23 0.00 1.16 1.66 3.10 79.84