---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10508 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 7.6G 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 451 5272 0 2252 7242 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:1d:59:8c brd ff:ff:ff:ff:ff:ff inet 10.32.6.14/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe1d:598c/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-10508) 11/29/25 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 159.01 74.82 84.19 4583.64 40527.80 08:15:01 85.82 29.76 56.06 1661.85 9657.45 08:16:01 76.20 9.35 66.86 644.03 10746.74 08:17:01 27.61 1.25 26.36 98.65 3515.68 Average: 87.16 28.79 58.37 1747.04 16111.65 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 6003544 7424968 2163876 26.49 36764 1564720 716248 7.77 577664 1425756 85836 08:15:01 5617480 7319624 2549940 31.22 57112 1809172 844132 9.16 698700 1655668 106832 08:16:01 4827108 6815088 3340312 40.90 64512 2079244 1242552 13.48 1279588 1848064 64168 08:17:01 5461780 7477448 2705640 33.13 67864 2102572 624796 6.78 639764 1852360 25828 Average: 5477478 7259282 2689942 32.94 56563 1888927 856932 9.30 798929 1695462 70666 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 409.15 229.93 1453.76 65.79 0.00 0.00 0.00 0.00 08:14:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 08:15:01 ens3 78.72 56.85 465.94 14.04 0.00 0.00 0.00 0.00 08:15:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 08:16:01 ens3 429.53 463.84 3113.50 73.68 0.00 0.00 0.00 0.00 08:16:01 lo 1.48 1.48 0.19 0.19 0.00 0.00 0.00 0.00 08:17:01 ens3 62.12 74.74 229.87 16.27 0.00 0.00 0.00 0.00 08:17:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 244.87 206.33 1315.73 42.44 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10508) 11/29/25 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 20.51 0.00 2.48 5.09 1.54 70.38 08:14:01 0 8.50 0.00 1.45 5.31 1.11 83.64 08:14:01 1 8.66 0.00 3.75 5.38 1.44 80.76 08:14:01 2 48.45 0.00 3.01 7.94 2.02 38.57 08:14:01 3 16.58 0.00 1.71 1.73 1.60 78.37 08:15:01 all 22.43 0.00 1.43 2.24 1.34 72.56 08:15:01 0 6.98 0.00 0.42 0.73 0.62 91.25 08:15:01 1 4.03 0.00 0.78 5.32 1.13 88.75 08:15:01 2 63.38 0.00 3.40 2.33 2.45 28.44 08:15:01 3 15.39 0.00 1.16 0.58 1.16 81.70 08:16:01 all 42.22 0.00 2.16 0.87 3.53 51.22 08:16:01 0 45.22 0.00 1.63 0.20 3.07 49.88 08:16:01 1 39.35 0.00 1.76 0.75 3.48 54.67 08:16:01 2 38.34 0.00 2.29 1.09 3.58 54.71 08:16:01 3 46.02 0.00 2.94 1.44 3.98 45.61 08:17:01 all 19.42 0.00 0.93 0.64 0.96 78.05 08:17:01 0 9.46 0.00 0.82 0.43 1.22 88.08 08:17:01 1 6.38 0.00 0.57 0.40 0.47 92.19 08:17:01 2 7.15 0.00 1.00 1.50 0.55 89.81 08:17:01 3 54.84 0.00 1.35 0.23 1.60 41.98 Average: all 26.16 0.00 1.75 2.21 1.85 68.03 Average: 0 17.54 0.00 1.08 1.66 1.50 78.22 Average: 1 14.61 0.00 1.71 2.96 1.63 79.08 Average: 2 39.31 0.00 2.42 3.20 2.15 52.92 Average: 3 33.23 0.00 1.79 1.00 2.09 61.89