---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6096 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 8.5G 11G 45% / 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 468 4342 0 3165 7211 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:4b:31:53 brd ff:ff:ff:ff:ff:ff inet 10.32.7.107/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe4b:3153/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6096) 07/18/26 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 158.63 73.58 85.05 4415.73 40757.76 08:15:01 75.19 19.27 55.92 1337.67 9972.55 08:16:01 100.55 19.94 80.61 981.08 38912.46 08:17:01 37.64 1.42 36.22 102.63 4869.44 Average: 93.08 28.59 64.49 1710.79 23687.02 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 5968136 7393728 2199276 26.93 37124 1568672 717036 7.78 604160 1429272 88416 08:15:01 5689832 7447888 2477580 30.33 58252 1861340 821124 8.91 581792 1693240 156128 08:16:01 4189588 6995980 3977824 48.70 64196 2885944 1072076 11.63 1062612 2674704 5372 08:17:01 4427284 7362644 3740128 45.79 69060 3007380 702416 7.62 740720 2754988 25336 Average: 5068710 7300060 3098702 37.94 57158 2330834 828163 8.99 747321 2138051 68813 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 ens3 474.79 257.88 1541.53 67.37 0.00 0.00 0.00 0.00 08:14:02 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 08:15:01 ens3 85.12 66.55 533.39 15.18 0.00 0.00 0.00 0.00 08:15:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 08:16:01 ens3 799.30 577.93 16597.25 74.96 0.00 0.00 0.00 0.00 08:16:01 lo 1.48 1.48 0.19 0.19 0.00 0.00 0.00 0.00 08:17:01 ens3 184.81 197.88 867.76 36.48 0.00 0.00 0.00 0.00 08:17:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 387.31 275.97 4904.34 48.64 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6096) 07/18/26 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 22.29 0.00 2.82 4.94 1.07 68.88 08:14:02 0 41.06 0.00 2.60 3.22 1.60 51.52 08:14:02 1 26.54 0.00 3.88 2.23 1.00 66.34 08:14:02 2 13.46 0.00 3.03 3.95 0.90 78.66 08:14:02 3 8.11 0.00 1.77 10.36 0.77 79.00 08:15:01 all 21.39 0.00 1.33 1.85 0.71 74.71 08:15:01 0 31.53 0.00 2.07 0.22 0.92 65.27 08:15:01 1 21.68 0.00 1.53 1.64 0.66 74.49 08:15:01 2 18.45 0.00 0.54 0.34 0.58 80.09 08:15:01 3 13.87 0.00 1.15 5.18 0.71 79.09 08:16:01 all 44.84 0.00 2.61 1.65 3.16 47.74 08:16:01 0 38.60 0.00 2.14 0.28 2.80 56.17 08:16:01 1 52.89 0.00 3.19 1.58 3.23 39.11 08:16:01 2 43.56 0.00 1.48 0.45 3.16 51.35 08:16:01 3 44.34 0.00 3.62 4.34 3.45 44.26 08:17:01 all 23.27 0.00 1.22 0.79 1.21 73.51 08:17:01 0 32.26 0.00 1.48 1.02 1.12 64.13 08:17:01 1 15.38 0.00 0.35 0.03 0.96 83.27 08:17:01 2 30.82 0.00 1.09 1.41 1.67 65.00 08:17:01 3 14.62 0.00 1.96 0.71 1.09 81.61 Average: all 27.98 0.00 2.00 2.31 1.54 66.17 Average: 0 35.88 0.00 2.07 1.19 1.61 59.24 Average: 1 29.16 0.00 2.24 1.37 1.47 65.76 Average: 2 26.64 0.00 1.54 1.54 1.58 68.70 Average: 3 20.25 0.00 2.13 5.14 1.51 70.97