---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1352 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 407 1312 0 2224 3271 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:2d:71:3d brd ff:ff:ff:ff:ff:ff inet 10.32.7.181/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86200sec preferred_lft 86200sec inet6 fe80::f816:3eff:fe2d:713d/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-1352) 02/10/24 _x86_64_ (4 CPU) 08:12:47 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 92.50 38.88 53.62 1806.77 6330.28 08:15:01 117.25 38.87 78.38 2302.66 13948.55 08:16:01 49.68 1.38 48.29 101.98 6438.39 Average: 86.30 26.31 60.00 1398.78 8877.57 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 1736476 3356688 2302168 57.00 50900 1723752 609132 11.97 563128 1562508 174056 08:15:01 1033136 2906348 3005508 74.42 62480 1953816 1014992 19.95 1082080 1722668 15964 08:16:01 1278452 3301660 2760192 68.34 70512 2090764 629496 12.37 731856 1819272 47056 Average: 1349355 3188232 2689289 66.59 61297 1922777 751207 14.77 792355 1701483 79025 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 ens3 147.43 119.96 1136.28 30.28 0.00 0.00 0.00 0.00 08:14:02 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 08:15:01 ens3 419.78 416.95 2069.29 81.92 0.00 0.00 0.00 0.00 08:15:01 lo 2.54 2.54 0.30 0.30 0.00 0.00 0.00 0.00 08:16:01 ens3 172.05 199.73 860.42 37.64 0.00 0.00 0.00 0.00 08:16:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 245.45 244.59 1351.34 49.77 0.00 0.00 0.00 0.00 Average: lo 1.53 1.53 0.16 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1352) 02/10/24 _x86_64_ (4 CPU) 08:12:47 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 21.49 0.00 1.53 2.56 0.06 74.35 08:14:02 0 30.60 0.00 2.03 2.38 0.05 64.94 08:14:02 1 42.22 0.00 2.56 0.70 0.08 54.44 08:14:02 2 5.44 0.00 0.74 0.36 0.08 93.38 08:14:02 3 7.91 0.00 0.80 6.81 0.07 84.41 08:15:01 all 37.61 0.00 1.73 1.57 0.09 59.00 08:15:01 0 39.41 0.00 1.51 1.14 0.08 57.86 08:15:01 1 41.92 0.00 1.92 1.48 0.08 54.60 08:15:01 2 28.58 0.00 1.77 2.59 0.08 66.97 08:15:01 3 40.57 0.00 1.72 1.07 0.10 56.53 08:16:01 all 21.90 0.00 1.25 1.18 0.07 75.61 08:16:01 0 6.91 0.00 1.07 0.23 0.03 91.76 08:16:01 1 13.40 0.00 0.82 3.13 0.05 82.61 08:16:01 2 39.37 0.00 1.69 0.07 0.10 58.77 08:16:01 3 27.91 0.00 1.44 1.31 0.07 69.28 Average: all 26.94 0.00 1.50 1.77 0.07 69.72 Average: 0 25.57 0.00 1.54 1.25 0.06 71.59 Average: 1 32.46 0.00 1.76 1.77 0.07 63.93 Average: 2 24.36 0.00 1.40 1.00 0.09 73.16 Average: 3 25.37 0.00 1.32 3.07 0.08 70.16