---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8336 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 7.9G 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 471 5000 0 2504 7217 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:c0:34:46 brd ff:ff:ff:ff:ff:ff inet 10.32.7.161/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fec0:3446/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8336) 08/15/26 _x86_64_ (4 CPU) 05:14:57 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 164.73 92.62 72.11 5111.63 39803.95 05:17:01 57.15 0.18 56.96 20.93 9777.27 05:18:01 72.72 30.34 42.38 1671.59 12603.50 05:19:01 19.33 10.21 9.12 775.87 3613.13 05:20:01 27.03 1.47 25.56 92.65 7268.26 Average: 68.19 26.97 41.23 1534.60 14613.90 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 6059688 7430972 2107732 25.81 35088 1517276 677952 7.36 565840 1380540 61356 05:17:01 5695872 7377132 2471548 30.26 54580 1791696 708664 7.69 633500 1642444 157320 05:18:01 5290744 7251556 2876676 35.22 62196 2055004 827784 8.98 786288 1877084 29476 05:19:01 4333868 6394352 3833552 46.94 64436 2148772 1590096 17.25 1679868 1928512 608 05:20:01 5085380 7354428 3082040 37.74 69584 2347732 717260 7.78 787212 2066016 25524 Average: 5293110 7161688 2874310 35.19 57177 1972096 904351 9.81 890542 1778919 54857 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 lo 2.00 2.00 0.18 0.18 0.00 0.00 0.00 0.00 05:16:01 ens3 389.52 203.05 1127.88 63.16 0.00 0.00 0.00 0.00 05:17:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 05:17:01 ens3 38.74 28.82 768.30 4.25 0.00 0.00 0.00 0.00 05:18:01 lo 1.53 1.53 0.15 0.15 0.00 0.00 0.00 0.00 05:18:01 ens3 172.12 160.12 2560.86 27.60 0.00 0.00 0.00 0.00 05:19:01 lo 87.04 87.04 32.18 32.18 0.00 0.00 0.00 0.00 05:19:01 ens3 63.96 60.41 1098.03 8.84 0.00 0.00 0.00 0.00 05:20:01 lo 34.08 34.08 4.30 4.30 0.00 0.00 0.00 0.00 05:20:01 ens3 89.07 83.07 1245.95 18.01 0.00 0.00 0.00 0.00 Average: lo 24.98 24.98 7.36 7.36 0.00 0.00 0.00 0.00 Average: ens3 150.68 107.10 1360.18 24.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8336) 08/15/26 _x86_64_ (4 CPU) 05:14:57 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 21.21 0.00 3.03 5.27 2.54 67.95 05:16:01 0 38.19 0.00 2.67 3.80 2.34 52.99 05:16:01 1 22.15 0.00 2.17 7.67 2.55 65.46 05:16:01 2 13.00 0.00 2.28 6.83 2.44 75.45 05:16:01 3 11.65 0.00 5.01 2.78 2.81 77.76 05:17:01 all 19.64 0.00 1.21 2.01 1.51 75.63 05:17:01 0 4.08 0.00 0.30 0.02 0.18 95.42 05:17:01 1 11.47 0.00 0.86 3.43 1.86 82.38 05:17:01 2 17.47 0.00 1.27 4.17 1.75 75.33 05:17:01 3 45.54 0.00 2.40 0.41 2.20 49.44 05:18:01 all 17.83 0.00 1.28 1.76 1.73 77.40 05:18:01 0 11.60 0.00 1.13 0.88 1.21 85.17 05:18:01 1 21.08 0.00 1.58 3.16 1.68 72.50 05:18:01 2 21.34 0.00 1.20 2.25 2.12 73.10 05:18:01 3 17.29 0.00 1.21 0.75 1.92 78.84 05:19:01 all 48.89 0.00 1.43 0.44 4.36 44.88 05:19:01 0 50.72 0.00 1.23 0.22 4.19 43.65 05:19:01 1 53.99 0.00 1.84 1.01 4.67 38.49 05:19:01 2 52.75 0.00 1.08 0.10 4.31 41.76 05:19:01 3 38.14 0.00 1.61 0.41 4.32 55.52 05:20:01 all 27.19 0.00 1.33 0.77 1.87 68.84 05:20:01 0 19.83 0.00 1.08 0.05 1.54 77.50 05:20:01 1 40.62 0.00 2.04 0.15 2.11 55.08 05:20:01 2 9.84 0.00 1.14 1.85 1.65 85.52 05:20:01 3 38.62 0.00 1.03 1.03 2.17 57.15 Average: all 26.96 0.00 1.66 2.05 2.40 66.93 Average: 0 24.91 0.00 1.28 0.99 1.90 70.92 Average: 1 29.84 0.00 1.70 3.09 2.58 62.80 Average: 2 22.86 0.00 1.39 3.04 2.45 70.25 Average: 3 30.22 0.00 2.26 1.08 2.69 63.76