---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1985 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 457 5232 0 2286 7235 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:96:b0:3b brd ff:ff:ff:ff:ff:ff inet 10.32.6.18/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe96:b03b/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-1985) 05/28/26 _x86_64_ (4 CPU) 07:04:53 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 144.18 54.75 89.43 3606.53 41212.82 07:07:01 78.91 27.97 50.93 1594.54 9189.47 07:08:01 54.79 10.48 44.31 643.01 9523.90 07:09:01 27.82 3.46 24.35 131.93 6015.66 Average: 76.42 24.16 52.25 1493.74 16482.68 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5947048 7418796 2220372 27.19 39304 1610920 716892 7.78 592932 1460968 114836 07:07:01 5600852 7370284 2566568 31.42 58416 1872528 842896 9.15 647336 1718408 155016 07:08:01 5323152 7379948 2844268 34.82 66580 2144724 717880 7.79 771656 1857484 166048 07:09:01 5357396 7408492 2810024 34.41 68636 2135964 684824 7.43 745980 1847316 10544 Average: 5557112 7394380 2610308 31.96 58234 1941034 740623 8.04 689476 1721044 111611 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 417.25 238.23 1518.62 66.58 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 69.76 55.60 524.40 13.14 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 179.54 160.97 1860.22 24.53 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:09:01 ens3 61.92 66.27 29.50 672.20 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 182.09 130.26 983.14 194.14 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 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-1985) 05/28/26 _x86_64_ (4 CPU) 07:04:53 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 23.03 0.00 2.39 4.36 1.45 68.76 07:06:01 0 9.93 0.00 1.18 1.68 0.88 86.32 07:06:01 1 11.88 0.00 1.75 7.75 1.62 77.00 07:06:01 2 33.57 0.00 4.44 6.52 1.75 53.73 07:06:01 3 36.87 0.00 2.20 1.46 1.58 57.89 07:07:01 all 23.10 0.00 1.46 1.97 1.18 72.30 07:07:01 0 47.26 0.00 2.51 1.63 1.61 46.98 07:07:01 1 7.59 0.00 0.91 5.27 1.24 84.99 07:07:01 2 29.89 0.00 1.85 0.72 1.28 66.26 07:07:01 3 7.69 0.00 0.58 0.22 0.55 90.96 07:08:01 all 41.15 0.00 2.11 1.11 2.75 52.90 07:08:01 0 34.52 0.00 2.02 0.30 2.33 60.83 07:08:01 1 33.42 0.00 1.93 2.55 2.42 59.68 07:08:01 2 39.04 0.00 2.06 1.06 2.99 54.85 07:08:01 3 57.57 0.00 2.39 0.50 3.22 36.32 07:09:01 all 20.95 0.00 1.05 0.85 0.74 76.41 07:09:01 0 44.27 0.00 1.43 0.17 1.17 52.96 07:09:01 1 8.84 0.00 0.74 0.77 0.33 89.32 07:09:01 2 25.83 0.00 1.38 2.45 0.68 69.65 07:09:01 3 4.90 0.00 0.65 0.05 0.78 93.62 Average: all 27.06 0.00 1.75 2.07 1.53 67.59 Average: 0 34.00 0.00 1.79 0.95 1.50 61.77 Average: 1 15.41 0.00 1.33 4.10 1.40 77.75 Average: 2 32.09 0.00 2.43 2.69 1.68 61.12 Average: 3 26.78 0.00 1.46 0.56 1.53 69.68