---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-244 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.8G 12G 41% / 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 443 1146 0 2354 3233 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:55:5b:1e brd ff:ff:ff:ff:ff:ff inet 10.32.7.102/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85988sec preferred_lft 85988sec inet6 fe80::f816:3eff:fe55:5b1e/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-244) 07/12/25 _x86_64_ (4 CPU) 15:07:57 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 164.17 81.47 82.70 4877.99 39950.82 15:10:01 53.66 0.22 53.44 27.11 9321.18 15:11:01 65.19 29.71 35.49 1629.19 6912.23 15:12:01 8.46 0.00 8.46 0.00 334.56 15:13:01 31.66 0.97 30.69 60.12 7269.86 15:14:01 36.11 3.15 32.96 157.97 5556.54 Average: 59.89 19.30 40.59 1128.41 11563.25 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 1926640 3333664 2112004 52.29 36128 1535236 646500 12.71 560172 1396132 72576 15:10:01 1735532 3332860 2303112 57.03 52108 1698860 634732 12.48 568340 1557812 54700 15:11:01 1460300 3219188 2578344 63.84 58284 1847396 737304 14.49 694096 1692988 1296 15:12:01 1451004 3217104 2587640 64.07 60204 1851784 741280 14.57 698072 1696528 2264 15:13:01 1075484 3058984 2963160 73.37 63300 2060940 888304 17.46 859392 1900088 6008 15:14:01 1129796 3263700 2908848 72.03 66864 2204452 681644 13.40 690944 2007088 24012 Average: 1463126 3237583 2575518 63.77 56148 1866445 721627 14.19 678503 1708439 26809 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 ens3 318.91 173.22 1196.90 61.99 0.00 0.00 0.00 0.00 15:09:02 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 15:10:01 ens3 39.90 28.92 534.57 4.00 0.00 0.00 0.00 0.00 15:10:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 15:11:01 ens3 95.87 79.79 901.45 15.97 0.00 0.00 0.00 0.00 15:11:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 15:12:01 ens3 56.68 79.87 62.23 13.12 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:13:01 ens3 491.88 390.90 3457.90 48.93 0.00 0.00 0.00 0.00 15:13:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 15:14:01 ens3 130.13 140.49 663.51 38.42 0.00 0.00 0.00 0.00 15:14:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 189.30 149.19 1137.71 30.48 0.00 0.00 0.00 0.00 Average: lo 0.72 0.72 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-244) 07/12/25 _x86_64_ (4 CPU) 15:07:57 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 21.31 0.00 2.70 5.71 3.27 67.01 15:09:02 0 20.78 0.00 2.83 3.39 4.14 68.86 15:09:02 1 37.33 0.00 3.27 13.27 3.27 42.86 15:09:02 2 17.54 0.00 3.29 2.93 3.55 72.69 15:09:02 3 9.64 0.00 1.39 3.29 2.10 83.58 15:10:01 all 16.48 0.00 1.08 1.90 1.70 78.83 15:10:01 0 24.33 0.00 1.25 0.34 1.95 72.14 15:10:01 1 11.57 0.00 0.98 3.82 1.08 82.56 15:10:01 2 14.36 0.00 1.30 3.00 2.59 78.75 15:10:01 3 15.67 0.00 0.81 0.42 1.16 81.94 15:11:01 all 15.46 0.00 0.90 1.58 3.44 78.62 15:11:01 0 24.63 0.00 1.80 3.58 4.03 65.96 15:11:01 1 15.04 0.00 0.35 0.18 2.96 81.47 15:11:01 2 12.27 0.00 0.86 1.66 4.12 81.08 15:11:01 3 9.87 0.00 0.58 0.89 2.64 86.03 15:12:01 all 5.02 0.00 0.42 0.05 2.29 92.23 15:12:01 0 1.68 0.00 0.21 0.00 1.57 96.54 15:12:01 1 2.42 0.00 0.36 0.00 2.07 95.15 15:12:01 2 10.04 0.00 0.49 0.18 3.56 85.73 15:12:01 3 5.93 0.00 0.61 0.02 1.95 91.49 15:13:01 all 9.54 0.00 1.27 0.37 3.93 84.88 15:13:01 0 8.14 0.00 1.24 0.18 3.91 86.53 15:13:01 1 8.55 0.00 0.95 0.39 3.71 86.40 15:13:01 2 11.30 0.00 1.85 0.88 5.11 80.86 15:13:01 3 10.16 0.00 1.05 0.02 2.97 85.80 15:14:01 all 19.90 0.00 1.37 1.22 2.90 74.60 15:14:01 0 11.15 0.00 0.83 0.15 1.80 86.08 15:14:01 1 46.03 0.00 1.91 1.01 4.52 46.52 15:14:01 2 9.89 0.00 1.92 3.07 2.87 82.26 15:14:01 3 12.40 0.00 0.81 0.64 2.44 83.72 Average: all 14.61 0.00 1.29 1.80 2.93 79.37 Average: 0 15.09 0.00 1.36 1.28 2.91 79.36 Average: 1 20.18 0.00 1.30 3.10 2.94 72.47 Average: 2 12.56 0.00 1.62 1.95 3.64 80.23 Average: 3 10.59 0.00 0.87 0.88 2.22 85.43