---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5816 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: 2799.998 BogoMIPS: 5599.99 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 466 5218 0 2291 7226 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:ad:a4:49 brd ff:ff:ff:ff:ff:ff inet 10.32.6.162/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:fead:a449/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5816) 07/15/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 100.67 29.76 70.91 1007.66 6139.17 07:07:01 75.40 30.46 44.94 1690.12 8892.12 07:08:01 54.77 9.45 45.33 623.76 9595.20 07:09:01 23.60 0.33 23.26 33.59 5893.68 Average: 63.61 17.50 46.11 838.79 7629.98 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5845800 7392580 2321612 28.43 45800 1674392 724912 7.87 645988 1499208 158436 07:07:01 5524104 7310540 2643308 32.36 59748 1886888 793040 8.61 710024 1729692 164328 07:08:01 5377192 7430936 2790220 34.16 66820 2140320 664824 7.21 719336 1854072 163832 07:09:01 5328616 7391852 2838796 34.76 68700 2147840 697496 7.57 764100 1857664 18100 Average: 5518928 7381477 2648484 32.43 60267 1962360 720068 7.81 709862 1735159 126174 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 429.21 232.57 1438.78 64.04 0.00 0.00 0.00 0.00 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:01 ens3 85.32 72.84 605.69 16.19 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 225.88 215.33 1803.77 683.78 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 10.78 11.98 10.00 5.60 0.00 0.00 0.00 0.00 07:09:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 187.81 133.18 964.58 192.40 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5816) 07/15/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.52 0.00 1.59 3.06 1.09 71.73 07:06:01 0 14.74 0.00 1.67 5.71 1.15 76.73 07:06:01 1 36.18 0.00 1.93 2.59 1.13 58.17 07:06:01 2 26.11 0.00 1.28 3.50 1.10 68.00 07:06:01 3 13.02 0.00 1.42 0.43 1.00 84.12 07:07:01 all 25.39 0.00 1.52 1.84 1.20 70.05 07:07:01 0 12.99 0.00 1.10 0.90 1.10 83.91 07:07:01 1 8.40 0.00 0.85 4.34 0.73 85.68 07:07:01 2 25.83 0.00 1.75 1.60 1.27 69.56 07:07:01 3 54.40 0.00 2.37 0.52 1.69 41.03 07:08:01 all 36.57 0.00 2.02 1.02 2.39 58.01 07:08:01 0 25.29 0.00 1.68 0.25 2.00 70.78 07:08:01 1 28.34 0.00 2.37 2.08 2.63 64.57 07:08:01 2 33.17 0.00 1.75 1.38 2.18 61.52 07:08:01 3 59.42 0.00 2.29 0.33 2.76 35.20 07:09:01 all 18.69 0.00 0.80 0.58 0.56 79.37 07:09:01 0 12.51 0.00 0.53 0.20 0.40 86.36 07:09:01 1 4.83 0.00 0.56 0.03 0.32 94.26 07:09:01 2 39.71 0.00 1.27 1.45 0.98 56.59 07:09:01 3 17.76 0.00 0.85 0.67 0.53 80.19 Average: all 25.79 0.00 1.48 1.62 1.31 69.79 Average: 0 16.38 0.00 1.25 1.76 1.16 79.45 Average: 1 19.42 0.00 1.43 2.26 1.20 75.69 Average: 2 31.21 0.00 1.51 1.98 1.38 63.92 Average: 3 36.18 0.00 1.73 0.49 1.50 60.11