---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2139 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 7.8G 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 470 5058 0 2446 7218 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:7c:fe:b1 brd ff:ff:ff:ff:ff:ff inet 10.32.6.194/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe7c:feb1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2139) 05/30/26 _x86_64_ (4 CPU) 05:14:51 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 135.66 54.66 81.00 3604.07 37022.65 05:17:01 77.82 30.03 47.79 1649.33 8964.77 05:18:01 44.27 7.20 37.07 654.18 9224.66 05:19:01 14.68 4.08 10.60 147.18 3534.88 05:20:01 33.36 0.73 32.62 82.51 7910.30 Average: 61.16 19.34 41.82 1227.39 13331.13 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 5926128 7399604 2241292 27.44 39400 1612152 716168 7.77 611536 1462208 113276 05:17:01 5621232 7390448 2546188 31.17 58200 1872156 754980 8.19 644380 1699068 155428 05:18:01 4630820 6627540 3536600 43.30 63976 2087016 1359704 14.75 1435212 1883360 96724 05:19:01 5259524 7456108 2907896 35.60 67560 2277772 621156 6.74 676720 2003312 190292 05:20:01 5220772 7429544 2946648 36.08 70348 2287500 655960 7.12 714164 2005228 9484 Average: 5331695 7260649 2835725 34.72 59897 2027319 821594 8.91 816402 1810635 113041 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 05:16:01 ens3 431.78 270.54 1504.33 68.28 0.00 0.00 0.00 0.00 05:17:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 05:17:01 ens3 62.94 50.82 516.41 11.92 0.00 0.00 0.00 0.00 05:18:01 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 05:18:01 ens3 218.23 209.61 3113.20 27.11 0.00 0.00 0.00 0.00 05:19:01 lo 122.41 122.41 36.53 36.53 0.00 0.00 0.00 0.00 05:19:01 ens3 123.78 110.50 1249.98 17.72 0.00 0.00 0.00 0.00 05:20:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 05:20:01 ens3 14.98 13.85 12.05 6.52 0.00 0.00 0.00 0.00 Average: lo 25.15 25.15 7.37 7.37 0.00 0.00 0.00 0.00 Average: ens3 170.34 131.06 1279.21 26.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2139) 05/30/26 _x86_64_ (4 CPU) 05:14:51 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 22.31 0.00 2.08 4.70 1.37 69.54 05:16:01 0 21.20 0.00 1.87 3.80 1.25 71.88 05:16:01 1 31.37 0.00 2.36 4.18 1.55 60.53 05:16:01 2 28.14 0.00 2.89 8.55 1.76 58.65 05:16:01 3 8.46 0.00 1.22 2.27 0.92 87.13 05:17:01 all 22.71 0.00 1.41 2.04 1.27 72.57 05:17:01 0 7.31 0.00 0.30 0.08 0.95 91.37 05:17:01 1 45.13 0.00 3.42 2.03 1.40 48.02 05:17:01 2 14.84 0.00 0.88 4.61 1.43 78.24 05:17:01 3 23.68 0.00 1.01 1.41 1.30 72.61 05:18:01 all 29.73 0.00 1.27 1.05 1.74 66.22 05:18:01 0 30.03 0.00 1.04 0.43 1.64 66.86 05:18:01 1 31.47 0.00 2.06 2.87 1.82 61.78 05:18:01 2 34.48 0.00 1.05 0.33 2.07 62.08 05:18:01 3 22.93 0.00 0.93 0.57 1.43 74.13 05:19:01 all 45.69 0.00 1.59 0.21 2.66 49.84 05:19:01 0 45.18 0.00 1.57 0.25 2.54 50.47 05:19:01 1 49.47 0.00 1.36 0.03 2.31 46.82 05:19:01 2 46.31 0.00 1.87 0.23 3.02 48.57 05:19:01 3 41.82 0.00 1.58 0.32 2.76 53.52 05:20:01 all 21.15 0.00 1.15 0.88 0.71 76.10 05:20:01 0 13.97 0.00 0.65 0.07 0.52 84.80 05:20:01 1 22.79 0.00 1.43 0.03 0.68 75.06 05:20:01 2 45.52 0.00 2.08 1.68 1.30 49.42 05:20:01 3 2.33 0.00 0.47 1.77 0.33 95.10 Average: all 28.31 0.00 1.50 1.78 1.55 66.86 Average: 0 23.51 0.00 1.08 0.93 1.38 73.10 Average: 1 36.05 0.00 2.13 1.83 1.55 58.44 Average: 2 33.84 0.00 1.75 3.09 1.91 59.41 Average: 3 19.85 0.00 1.04 1.27 1.35 76.49