---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2324 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: 2800.000 BogoMIPS: 5600.00 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 7.8G 12G 41% / 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 466 5147 0 2361 7225 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:ac:a5:9a brd ff:ff:ff:ff:ff:ff inet 10.32.7.81/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86030sec preferred_lft 86030sec inet6 fe80::f816:3eff:feac:a59a/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-2324) 01/03/26 _x86_64_ (4 CPU) 03:47:46 LINUX RESTART (4 CPU) 03:48:01 tps rtps wtps bread/s bwrtn/s 03:49:02 104.57 39.83 64.74 1737.31 5479.37 03:50:01 64.30 12.81 51.49 442.29 9053.88 03:51:01 36.38 0.63 35.74 19.46 7201.87 03:52:01 9.80 0.00 9.80 0.00 446.73 03:53:01 52.34 0.97 51.37 89.05 12181.84 Average: 53.44 10.84 42.60 457.67 6865.52 03:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:02 5766496 7222728 2400916 29.40 38536 1596996 881968 9.57 783988 1452968 64040 03:50:01 5766660 7451512 2400752 29.39 57636 1791544 817360 8.87 584700 1623176 136168 03:51:01 5476780 7236480 2690632 32.94 59748 1862416 892520 9.68 808664 1685004 1748 03:52:01 5396128 7218936 2771284 33.93 61608 1921784 901368 9.78 827272 1742756 56512 03:53:01 5282112 7405044 2885300 35.33 67172 2209840 690320 7.49 661844 2010304 27568 Average: 5537635 7306940 2629777 32.20 56940 1876516 836707 9.08 733294 1702842 57207 03:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 03:49:02 ens3 397.65 223.61 1361.88 64.96 0.00 0.00 0.00 0.00 03:50:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 03:50:01 ens3 83.68 43.88 430.10 13.81 0.00 0.00 0.00 0.00 03:51:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:51:01 ens3 90.93 102.65 1160.83 14.82 0.00 0.00 0.00 0.00 03:52:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:52:01 ens3 281.30 248.01 1005.74 27.82 0.00 0.00 0.00 0.00 03:53:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 03:53:01 ens3 499.18 446.98 3108.11 64.06 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 271.17 213.59 1416.59 37.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2324) 01/03/26 _x86_64_ (4 CPU) 03:47:46 LINUX RESTART (4 CPU) 03:48:01 CPU %user %nice %system %iowait %steal %idle 03:49:02 all 24.41 0.00 1.61 2.77 1.22 69.99 03:49:02 0 33.09 0.00 1.85 3.18 1.76 60.12 03:49:02 1 22.90 0.00 1.55 3.66 1.07 70.82 03:49:02 2 33.57 0.00 1.87 0.18 1.27 63.11 03:49:02 3 8.11 0.00 1.17 4.04 0.77 85.92 03:50:01 all 22.15 0.00 1.57 1.54 1.02 73.72 03:50:01 0 27.65 0.00 1.98 4.34 1.20 64.83 03:50:01 1 15.86 0.00 1.00 0.90 0.85 81.40 03:50:01 2 32.76 0.00 2.27 0.17 1.45 63.35 03:50:01 3 12.32 0.00 1.03 0.74 0.61 85.29 03:51:01 all 12.87 0.00 0.64 0.53 0.94 85.02 03:51:01 0 9.93 0.00 0.43 0.12 0.65 88.88 03:51:01 1 11.52 0.00 0.63 1.08 0.72 86.05 03:51:01 2 12.17 0.00 0.55 0.30 1.41 85.57 03:51:01 3 17.88 0.00 0.95 0.60 0.97 79.59 03:52:01 all 5.82 0.00 0.47 0.03 0.32 93.36 03:52:01 0 4.47 0.00 0.40 0.10 0.32 94.72 03:52:01 1 6.79 0.00 0.58 0.00 0.27 92.36 03:52:01 2 4.20 0.00 0.20 0.00 0.44 95.16 03:52:01 3 7.82 0.00 0.68 0.03 0.28 91.18 03:53:01 all 22.51 0.00 1.65 0.60 0.94 74.30 03:53:01 0 21.14 0.00 2.54 1.35 0.73 74.24 03:53:01 1 12.51 0.00 1.22 0.07 0.80 85.41 03:53:01 2 20.34 0.00 1.70 0.84 1.07 76.05 03:53:01 3 36.06 0.00 1.12 0.15 1.18 61.49 Average: all 17.54 0.00 1.19 1.09 0.89 79.29 Average: 0 19.23 0.00 1.44 1.81 0.93 76.59 Average: 1 13.90 0.00 1.00 1.14 0.74 83.23 Average: 2 20.58 0.00 1.32 0.30 1.13 76.68 Average: 3 16.45 0.00 0.99 1.12 0.76 80.68