---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4408 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 8.3G 11G 44% / 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 450 4594 0 2931 7232 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:f7:6d:ec brd ff:ff:ff:ff:ff:ff inet 10.32.7.35/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86018sec preferred_lft 86018sec inet6 fe80::f816:3eff:fef7:6dec/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-4408) 06/27/26 _x86_64_ (4 CPU) 11:16:48 LINUX RESTART (4 CPU) 11:17:01 tps rtps wtps bread/s bwrtn/s 11:18:02 122.56 53.21 69.36 3513.81 6436.81 11:19:01 81.99 31.08 50.91 1684.46 9312.05 11:20:01 47.83 0.20 47.63 2.80 23618.13 11:21:01 8.83 0.00 8.83 0.00 337.41 11:22:01 48.28 2.13 46.14 115.05 8957.31 11:23:01 26.48 0.70 25.78 77.85 4760.01 Average: 55.92 14.51 41.42 896.78 8902.89 11:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:18:02 5916924 7418620 2250496 27.55 41048 1636904 711564 7.72 600388 1479600 139772 11:19:01 5567212 7332448 2600208 31.84 58184 1868280 833412 9.04 703880 1695056 151716 11:20:01 4963032 7287404 3204388 39.23 60208 2416888 791668 8.59 743492 2242292 1144 11:21:01 4949132 7281064 3218288 39.40 62152 2421548 791668 8.59 751828 2246028 2400 11:22:01 4696784 7389544 3470636 42.49 67196 2770132 709460 7.70 662620 2573828 115064 11:23:01 4677924 7377776 3489496 42.72 69332 2774568 720176 7.81 680756 2573292 11448 Average: 5128501 7347809 3038919 37.21 59687 2314720 759658 8.24 690494 2135016 70257 11:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:18:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 11:18:02 ens3 450.37 238.68 1437.09 65.36 0.00 0.00 0.00 0.00 11:19:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 11:19:01 ens3 73.67 57.13 534.43 13.60 0.00 0.00 0.00 0.00 11:20:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:20:01 ens3 378.44 261.28 9203.67 25.35 0.00 0.00 0.00 0.00 11:21:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:21:01 ens3 59.44 84.97 75.16 13.73 0.00 0.00 0.00 0.00 11:22:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 11:22:01 ens3 638.13 584.00 4111.06 70.98 0.00 0.00 0.00 0.00 11:23:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 11:23:01 ens3 12.33 12.65 10.88 6.07 0.00 0.00 0.00 0.00 Average: lo 0.68 0.68 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 269.28 206.87 2567.88 32.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4408) 06/27/26 _x86_64_ (4 CPU) 11:16:48 LINUX RESTART (4 CPU) 11:17:01 CPU %user %nice %system %iowait %steal %idle 11:18:02 all 24.05 0.00 1.93 3.33 0.97 69.72 11:18:02 0 20.31 0.00 2.25 5.59 0.78 71.06 11:18:02 1 47.91 0.00 2.20 0.73 1.40 47.76 11:18:02 2 17.14 0.00 1.92 1.30 1.10 78.53 11:18:02 3 10.91 0.00 1.33 5.69 0.57 81.50 11:19:01 all 24.20 0.00 1.58 1.78 0.96 71.48 11:19:01 0 18.67 0.00 1.03 0.78 0.61 78.91 11:19:01 1 32.97 0.00 1.74 2.89 1.13 61.26 11:19:01 2 15.27 0.00 1.39 1.78 1.25 80.31 11:19:01 3 29.88 0.00 2.15 1.66 0.86 65.45 11:20:01 all 12.42 0.00 1.00 1.09 0.58 84.92 11:20:01 0 15.37 0.00 2.37 1.14 0.57 80.55 11:20:01 1 5.83 0.00 0.33 0.30 0.32 93.22 11:20:01 2 17.32 0.00 0.65 2.70 0.95 78.37 11:20:01 3 11.19 0.00 0.63 0.25 0.48 87.44 11:21:01 all 4.73 0.00 0.37 0.02 0.31 94.56 11:21:01 0 0.17 0.00 0.00 0.00 0.02 99.82 11:21:01 1 5.03 0.00 0.55 0.00 0.15 94.28 11:21:01 2 7.72 0.00 0.13 0.00 0.87 91.28 11:21:01 3 6.01 0.00 0.78 0.05 0.20 92.95 11:22:01 all 19.94 0.00 1.67 0.63 1.02 76.75 11:22:01 0 30.76 0.00 0.94 0.10 1.32 66.89 11:22:01 1 13.07 0.00 1.25 0.83 0.81 84.04 11:22:01 2 17.13 0.00 1.65 0.08 1.09 80.04 11:22:01 3 18.78 0.00 2.86 1.55 0.85 75.95 11:23:01 all 21.04 0.00 1.07 0.85 0.73 76.30 11:23:01 0 29.95 0.00 1.51 0.17 0.73 67.64 11:23:01 1 33.28 0.00 1.08 2.88 1.13 61.63 11:23:01 2 11.19 0.00 0.67 0.12 0.43 87.59 11:23:01 3 9.72 0.00 1.02 0.22 0.60 88.44 Average: all 17.71 0.00 1.27 1.28 0.76 78.98 Average: 0 19.21 0.00 1.35 1.30 0.67 77.47 Average: 1 22.96 0.00 1.19 1.27 0.82 73.76 Average: 2 14.29 0.00 1.07 0.99 0.95 82.70 Average: 3 14.37 0.00 1.46 1.57 0.59 82.00