---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10019 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 464 5356 0 2154 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:5c:c6:fd brd ff:ff:ff:ff:ff:ff inet 10.32.6.51/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe5c:c6fd/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-10019) 11/23/25 _x86_64_ (4 CPU) 12:47:03 LINUX RESTART (4 CPU) 12:48:02 tps rtps wtps bread/s bwrtn/s 12:49:01 57.17 0.22 56.95 27.11 9543.07 12:50:01 95.15 37.82 57.33 2148.35 8451.18 12:51:01 20.89 1.25 19.64 63.02 4767.49 Average: 57.73 13.17 44.57 750.10 7576.01 12:48:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:49:01 5785224 7401100 2382196 29.17 53648 1730596 717268 7.78 612032 1583332 104440 12:50:01 5522208 7428852 2645212 32.39 62384 2003688 667956 7.25 701908 1738712 109856 12:51:01 5463700 7382512 2703720 33.10 64568 2013372 708488 7.69 756380 1742364 10648 Average: 5590377 7404155 2577043 31.55 60200 1915885 697904 7.57 690107 1688136 74981 12:48:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:49:01 ens3 51.69 41.97 671.24 5.31 0.00 0.00 0.00 0.00 12:49:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 12:50:01 ens3 341.47 305.65 1428.02 63.95 0.00 0.00 0.00 0.00 12:50:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 12:51:01 ens3 56.95 62.69 27.38 606.85 0.00 0.00 0.00 0.00 12:51:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 150.58 137.29 709.01 226.64 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10019) 11/23/25 _x86_64_ (4 CPU) 12:47:03 LINUX RESTART (4 CPU) 12:48:02 CPU %user %nice %system %iowait %steal %idle 12:49:01 all 20.58 0.00 1.30 1.63 1.03 75.46 12:49:01 0 13.12 0.00 0.95 2.03 0.96 82.95 12:49:01 1 59.86 0.00 3.27 0.49 1.88 34.49 12:49:01 2 1.20 0.00 0.15 0.00 0.49 98.16 12:49:01 3 8.23 0.00 0.85 4.01 0.81 86.10 12:50:01 all 41.01 0.00 2.55 1.93 2.61 51.90 12:50:01 0 43.09 0.00 2.90 1.29 2.55 50.17 12:50:01 1 41.26 0.00 2.08 0.91 2.49 53.26 12:50:01 2 35.38 0.00 2.59 3.65 2.66 55.71 12:50:01 3 44.33 0.00 2.64 1.88 2.69 48.45 12:51:01 all 20.96 0.00 1.13 0.68 1.01 76.22 12:51:01 0 8.43 0.00 0.88 1.34 0.73 88.62 12:51:01 1 3.74 0.00 0.45 0.07 0.51 95.23 12:51:01 2 38.39 0.00 1.63 1.26 1.63 57.09 12:51:01 3 33.34 0.00 1.57 0.07 1.17 63.86 Average: all 27.57 0.00 1.66 1.42 1.55 67.80 Average: 0 21.61 0.00 1.58 1.55 1.42 73.84 Average: 1 34.78 0.00 1.92 0.49 1.63 61.18 Average: 2 25.13 0.00 1.47 1.65 1.60 70.15 Average: 3 28.75 0.00 1.69 1.98 1.56 66.02