---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9119 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 7.5G 12G 40% / 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 481 5407 0 2087 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:39:65:d1 brd ff:ff:ff:ff:ff:ff inet 10.32.6.246/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe39:65d1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9119) 03/17/26 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 140.19 54.89 85.30 3603.13 40630.98 19:15:01 71.09 12.80 58.30 308.83 9792.60 19:16:01 61.84 8.48 53.36 470.45 6768.21 19:17:01 23.39 0.35 23.04 33.72 4377.21 Average: 74.13 19.13 55.00 1103.96 15391.56 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5949248 7373580 2218172 27.16 37320 1567080 740520 8.04 629204 1426184 86092 19:15:01 5599892 7257528 2567528 31.44 57652 1764156 876688 9.51 768040 1604820 102776 19:16:01 5555268 7412548 2612152 31.98 62656 1953932 669348 7.26 692728 1714820 121640 19:17:01 5564808 7417224 2602612 31.87 64796 1947020 658992 7.15 692108 1705676 10504 Average: 5667304 7365220 2500116 30.61 55606 1808047 736387 7.99 695520 1612875 80253 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 400.50 232.01 1472.93 66.11 0.00 0.00 0.00 0.00 19:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:15:01 ens3 84.44 72.88 452.80 19.32 0.00 0.00 0.00 0.00 19:15:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 19:16:01 ens3 271.92 287.90 1229.29 572.14 0.00 0.00 0.00 0.00 19:16:01 lo 1.57 1.57 0.15 0.15 0.00 0.00 0.00 0.00 19:17:01 ens3 12.58 13.98 9.85 6.57 0.00 0.00 0.00 0.00 19:17:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 192.35 151.68 791.17 166.02 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 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-9119) 03/17/26 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 22.51 0.00 2.83 4.83 1.23 68.60 19:14:01 0 23.84 0.00 1.52 1.59 1.32 71.73 19:14:01 1 39.47 0.00 3.14 3.64 1.49 52.26 19:14:01 2 17.77 0.00 1.50 8.96 1.15 70.61 19:14:01 3 9.00 0.00 5.13 5.15 1.00 79.72 19:15:01 all 27.29 0.00 1.64 1.80 1.41 67.86 19:15:01 0 25.29 0.00 1.30 0.23 1.43 71.74 19:15:01 1 40.53 0.00 2.30 1.42 1.54 54.21 19:15:01 2 14.66 0.00 1.07 4.49 1.31 78.47 19:15:01 3 28.75 0.00 1.89 1.06 1.31 66.98 19:16:01 all 35.61 0.00 1.98 1.31 2.06 59.03 19:16:01 0 35.71 0.00 1.57 0.32 1.65 60.76 19:16:01 1 43.60 0.00 2.19 0.97 2.47 50.78 19:16:01 2 28.45 0.00 2.30 1.67 2.12 65.47 19:16:01 3 34.70 0.00 1.89 2.27 2.04 59.11 19:17:01 all 20.93 0.00 1.01 0.70 1.07 76.29 19:17:01 0 30.97 0.00 1.26 0.12 1.43 66.22 19:17:01 1 26.96 0.00 1.33 0.17 0.92 70.62 19:17:01 2 15.71 0.00 0.96 1.88 1.52 79.93 19:17:01 3 10.10 0.00 0.50 0.65 0.38 88.37 Average: all 26.58 0.00 1.86 2.16 1.44 67.95 Average: 0 28.96 0.00 1.41 0.56 1.46 67.61 Average: 1 37.63 0.00 2.24 1.55 1.60 56.98 Average: 2 19.14 0.00 1.46 4.24 1.53 73.64 Average: 3 20.64 0.00 2.35 2.28 1.18 73.55