---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5677 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 479 5205 0 2290 7213 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:89:3f:a0 brd ff:ff:ff:ff:ff:ff inet 10.32.6.252/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fe89:3fa0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5677) 07/13/26 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 163.14 79.75 83.39 4820.40 40171.05 07:07:01 55.97 0.19 55.79 22.37 9693.00 07:08:02 80.25 38.26 41.99 2231.89 8612.56 07:09:01 28.86 1.97 26.89 115.23 8542.28 Average: 82.39 30.28 52.10 1812.00 16818.89 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6031072 7427172 2136348 26.16 36420 1539896 678532 7.36 571604 1402476 70524 07:07:01 5683672 7382236 2483748 30.41 54924 1808272 714720 7.76 630452 1658200 167244 07:08:02 5390376 7431268 2777044 34.00 65308 2128728 647036 7.02 710784 1848324 204456 07:09:01 5329520 7383764 2837900 34.75 68016 2139740 675936 7.33 770040 1851480 9484 Average: 5608660 7406110 2558760 31.33 56167 1904159 679056 7.37 670720 1690120 112927 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 378.29 204.05 1264.57 63.60 0.00 0.00 0.00 0.00 07:06:02 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 57.82 42.79 679.83 4.95 0.00 0.00 0.00 0.00 07:07:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 07:08:02 ens3 207.97 176.39 2020.30 32.08 0.00 0.00 0.00 0.00 07:08:02 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 07:09:01 ens3 60.43 69.02 29.87 684.84 0.00 0.00 0.00 0.00 07:09:01 lo 1.15 1.15 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 177.11 123.63 1004.05 195.12 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5677) 07/13/26 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 20.08 0.00 2.70 6.47 4.24 66.50 07:06:02 0 16.18 0.00 1.56 12.86 3.65 65.75 07:06:02 1 14.33 0.00 1.34 4.13 2.77 77.43 07:06:02 2 22.38 0.00 5.31 5.62 5.97 60.71 07:06:02 3 27.29 0.00 2.55 3.33 4.54 62.30 07:07:01 all 18.33 0.00 1.21 2.21 2.05 76.21 07:07:01 0 11.49 0.00 0.98 1.84 1.20 84.49 07:07:01 1 3.56 0.00 0.19 0.02 0.79 95.44 07:07:01 2 41.77 0.00 2.11 1.15 3.88 51.09 07:07:01 3 16.18 0.00 1.54 5.78 2.30 74.20 07:08:02 all 35.65 0.00 2.03 2.26 8.21 51.85 07:08:02 0 32.95 0.00 1.96 3.33 7.53 54.22 07:08:02 1 29.28 0.00 1.78 1.64 8.38 58.92 07:08:02 2 38.00 0.00 2.00 3.02 8.52 48.47 07:08:02 3 42.37 0.00 2.38 1.10 8.41 45.74 07:09:01 all 19.59 0.00 0.89 1.36 2.04 76.11 07:09:01 0 7.08 0.00 0.63 0.07 0.81 91.41 07:09:01 1 5.54 0.00 0.78 1.03 1.36 91.29 07:09:01 2 37.66 0.00 1.05 3.82 3.17 54.30 07:09:01 3 27.82 0.00 1.10 0.50 2.79 67.78 Average: all 23.51 0.00 1.72 3.09 4.18 67.51 Average: 0 17.08 0.00 1.29 4.57 3.34 73.72 Average: 1 13.39 0.00 1.03 1.71 3.39 80.48 Average: 2 34.87 0.00 2.64 3.42 5.41 53.67 Average: 3 28.54 0.00 1.90 2.66 4.55 62.34