---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-314 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 458 5306 0 2210 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:9d:f4:33 brd ff:ff:ff:ff:ff:ff inet 10.32.7.174/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe9d:f433/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-314) 04/11/26 _x86_64_ (4 CPU) 15:35:57 LINUX RESTART (4 CPU) 15:36:01 tps rtps wtps bread/s bwrtn/s 15:37:02 164.68 79.56 85.12 4831.46 40588.49 15:38:01 70.23 12.72 57.51 270.82 9877.06 15:39:01 79.19 5.98 73.21 394.14 11388.47 15:40:01 28.66 0.80 27.86 86.92 3855.76 Average: 85.76 24.82 60.94 1400.59 16455.37 15:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:37:02 5995412 7412616 2172000 26.59 36800 1560888 703496 7.63 589980 1423840 84724 15:38:01 5630696 7284696 2536716 31.06 57236 1761488 865744 9.39 736696 1607676 107220 15:39:01 5011636 6962804 3155776 38.64 64832 2041856 1001448 10.87 1113408 1830480 61944 15:40:01 5420120 7399472 2747292 33.64 68172 2066080 695240 7.54 696752 1839012 17840 Average: 5514466 7264897 2652946 32.48 56760 1857578 816482 8.86 784209 1675252 67932 15:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:37:02 ens3 420.38 233.76 1470.10 66.53 0.00 0.00 0.00 0.00 15:37:02 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 15:38:01 ens3 84.04 72.03 507.84 17.02 0.00 0.00 0.00 0.00 15:38:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 15:39:01 ens3 467.49 497.78 3430.90 79.14 0.00 0.00 0.00 0.00 15:39:01 lo 1.45 1.45 0.17 0.17 0.00 0.00 0.00 0.00 15:40:01 ens3 61.96 55.32 134.02 15.51 0.00 0.00 0.00 0.00 15:40:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 259.20 215.33 1389.44 44.67 0.00 0.00 0.00 0.00 Average: lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-314) 04/11/26 _x86_64_ (4 CPU) 15:35:57 LINUX RESTART (4 CPU) 15:36:01 CPU %user %nice %system %iowait %steal %idle 15:37:02 all 22.43 0.00 3.16 5.20 1.56 67.65 15:37:02 0 20.55 0.00 5.43 4.54 1.71 67.77 15:37:02 1 21.83 0.00 1.74 3.29 1.34 71.80 15:37:02 2 34.02 0.00 3.83 9.61 2.01 50.53 15:37:02 3 13.34 0.00 1.65 3.40 1.18 80.42 15:38:01 all 25.71 0.00 1.62 1.82 1.48 69.37 15:38:01 0 14.44 0.00 1.27 4.90 1.10 78.30 15:38:01 1 29.19 0.00 1.74 0.34 1.52 67.20 15:38:01 2 31.47 0.00 2.31 0.30 1.97 63.94 15:38:01 3 27.71 0.00 1.15 1.74 1.30 68.09 15:39:01 all 42.64 0.00 2.18 0.95 2.93 51.30 15:39:01 0 46.02 0.00 2.05 0.77 3.12 48.05 15:39:01 1 39.92 0.00 2.22 2.03 2.98 52.85 15:39:01 2 42.70 0.00 2.24 0.17 3.04 51.86 15:39:01 3 41.92 0.00 2.23 0.86 2.58 52.41 15:40:01 all 21.19 0.00 1.14 0.91 0.80 75.96 15:40:01 0 7.13 0.00 0.70 0.02 0.33 91.82 15:40:01 1 13.18 0.00 1.38 3.19 0.76 81.48 15:40:01 2 61.19 0.00 1.92 0.33 1.72 34.84 15:40:01 3 3.40 0.00 0.55 0.07 0.41 95.58 Average: all 28.00 0.00 2.03 2.22 1.69 66.06 Average: 0 22.06 0.00 2.37 2.55 1.57 71.45 Average: 1 26.01 0.00 1.77 2.22 1.65 68.35 Average: 2 42.38 0.00 2.57 2.61 2.18 50.25 Average: 3 21.56 0.00 1.39 1.52 1.37 74.16