---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2030 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 7.6G 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 424 1295 0 2223 3254 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:70:f4:1a brd ff:ff:ff:ff:ff:ff inet 10.32.7.164/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86200sec preferred_lft 86200sec inet6 fe80::f816:3eff:fe70:f41a/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-2030) 02/17/24 _x86_64_ (4 CPU) 08:12:51 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 111.35 65.77 45.58 4462.59 6891.12 08:15:01 122.76 36.79 85.97 2225.36 14647.03 08:16:01 49.11 2.90 46.21 143.71 5797.97 Average: 94.41 35.16 59.25 2277.22 9112.04 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 1780844 3375088 2257800 55.90 49300 1699520 587748 11.55 546368 1535792 177056 08:15:01 905632 2773392 3133012 77.58 62272 1948836 1195684 23.50 1184908 1747244 14896 08:16:01 1313620 3320836 2725024 67.47 70084 2076732 616508 12.12 711448 1806848 55144 Average: 1333365 3156439 2705279 66.98 60552 1908363 799980 15.73 814241 1696628 82365 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 397.13 266.04 1407.32 65.20 0.00 0.00 0.00 0.00 08:14:01 lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 08:15:01 ens3 380.55 397.60 2237.97 72.17 0.00 0.00 0.00 0.00 08:15:01 lo 1.60 1.60 0.15 0.15 0.00 0.00 0.00 0.00 08:16:01 ens3 226.70 222.20 908.72 47.34 0.00 0.00 0.00 0.00 08:16:01 lo 1.93 1.93 0.24 0.24 0.00 0.00 0.00 0.00 Average: ens3 334.79 295.28 1518.00 61.57 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 0.17 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2030) 02/17/24 _x86_64_ (4 CPU) 08:12:51 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.85 0.00 1.99 2.93 0.06 72.17 08:14:01 0 10.68 0.00 1.49 7.77 0.03 80.02 08:14:01 1 30.99 0.00 2.35 0.87 0.07 65.72 08:14:01 2 40.64 0.00 2.99 0.94 0.08 55.35 08:14:01 3 9.01 0.00 1.09 2.15 0.07 87.68 08:15:01 all 33.61 0.00 1.72 2.00 0.08 62.59 08:15:01 0 25.01 0.00 1.13 4.27 0.07 69.53 08:15:01 1 41.35 0.00 2.14 1.02 0.10 55.39 08:15:01 2 39.60 0.00 1.62 0.99 0.10 57.68 08:15:01 3 28.44 0.00 2.00 1.70 0.08 67.77 08:16:01 all 26.63 0.00 1.25 1.23 0.07 70.82 08:16:01 0 49.19 0.00 1.97 3.15 0.08 45.60 08:16:01 1 24.88 0.00 1.02 0.08 0.05 73.97 08:16:01 2 19.60 0.00 1.20 0.45 0.05 78.70 08:16:01 3 13.04 0.00 0.86 1.24 0.07 84.80 Average: all 27.69 0.00 1.65 2.05 0.07 68.53 Average: 0 28.30 0.00 1.53 5.06 0.06 65.04 Average: 1 32.40 0.00 1.84 0.66 0.07 65.03 Average: 2 33.27 0.00 1.94 0.79 0.08 63.92 Average: 3 16.80 0.00 1.31 1.69 0.07 80.12