---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1554 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.7G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 394 1223 0 2325 3284 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:ba:6b:5a brd ff:ff:ff:ff:ff:ff inet 10.32.7.121/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86095sec preferred_lft 86095sec inet6 fe80::f816:3eff:feba:6b5a/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-1554) 04/13/24 _x86_64_ (4 CPU) 15:07:50 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 111.08 64.06 47.03 4430.06 6913.38 15:10:01 82.40 29.13 53.27 1624.26 9922.35 15:11:01 9.55 0.00 9.55 0.00 446.59 15:12:01 40.38 1.22 39.16 65.19 7828.03 Average: 60.85 23.60 37.25 1529.88 6277.59 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 1836360 3412120 2202284 54.53 49396 1681820 563240 11.07 507796 1521212 159604 15:10:01 1531596 3266400 2507048 62.08 57388 1826056 717084 14.10 669764 1650424 4600 15:11:01 1518244 3260036 2520400 62.41 59232 1830584 717988 14.11 677632 1653900 1576 15:12:01 1118120 3189444 2920524 72.31 63388 2148236 758600 14.91 753180 1963076 99428 Average: 1501080 3282000 2537564 62.83 57351 1871674 689228 13.55 652093 1697153 66302 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 15:09:01 ens3 353.71 241.41 1403.27 62.14 0.00 0.00 0.00 0.00 15:10:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 15:10:01 ens3 119.36 113.80 694.78 24.01 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:11:01 ens3 54.92 78.24 61.75 12.57 0.00 0.00 0.00 0.00 15:12:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 15:12:01 ens3 591.63 553.04 3693.97 63.80 0.00 0.00 0.00 0.00 Average: lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 279.91 246.62 1463.44 40.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1554) 04/13/24 _x86_64_ (4 CPU) 15:07:50 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 23.09 0.00 1.77 2.86 0.05 72.23 15:09:01 0 9.08 0.00 1.16 1.34 0.05 88.38 15:09:01 1 16.02 0.00 1.52 2.07 0.03 80.36 15:09:01 2 24.90 0.00 1.87 6.48 0.07 66.68 15:09:01 3 42.57 0.00 2.53 1.59 0.08 53.23 15:10:01 all 14.71 0.00 0.67 1.74 0.04 82.84 15:10:01 0 8.88 0.00 0.70 2.73 0.05 87.64 15:10:01 1 11.61 0.00 0.28 0.82 0.03 87.26 15:10:01 2 27.18 0.00 1.19 3.32 0.07 68.24 15:10:01 3 11.17 0.00 0.50 0.10 0.03 88.20 15:11:01 all 4.05 0.00 0.18 0.03 0.03 95.72 15:11:01 0 6.15 0.00 0.30 0.00 0.03 93.52 15:11:01 1 2.83 0.00 0.18 0.00 0.02 96.97 15:11:01 2 0.75 0.00 0.08 0.02 0.02 99.13 15:11:01 3 6.47 0.00 0.17 0.08 0.02 93.26 15:12:01 all 9.62 0.00 0.81 0.51 0.04 89.02 15:12:01 0 11.84 0.00 0.97 0.59 0.05 86.55 15:12:01 1 8.08 0.00 0.28 0.03 0.02 91.59 15:12:01 2 11.54 0.00 1.49 0.92 0.05 86.00 15:12:01 3 7.04 0.00 0.47 0.50 0.03 91.96 Average: all 12.87 0.00 0.86 1.29 0.04 84.95 Average: 0 8.99 0.00 0.78 1.16 0.05 89.02 Average: 1 9.63 0.00 0.57 0.73 0.03 89.05 Average: 2 16.09 0.00 1.16 2.69 0.05 80.01 Average: 3 16.79 0.00 0.91 0.57 0.04 81.68