---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2038 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 463 5360 0 2151 7233 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:eb:7b:c4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.79/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:feeb:7bc4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2038) 12/30/25 _x86_64_ (4 CPU) 12:46:52 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 137.91 54.76 83.15 3589.14 40775.75 12:49:01 87.48 30.60 56.87 1730.83 9282.36 12:50:01 66.28 9.21 57.06 513.30 10362.81 12:51:01 22.51 0.35 22.16 33.72 1441.25 Average: 78.50 23.70 54.80 1465.54 15490.61 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 5993056 7424924 2174364 26.62 37832 1573328 692756 7.52 579780 1430360 86076 12:49:01 5610996 7318120 2556424 31.30 58204 1812244 794028 8.62 704412 1655316 104848 12:50:01 5526580 7438364 2640840 32.33 63436 2007188 647188 7.02 697900 1737268 26488 12:51:01 5521808 7437228 2645612 32.39 65460 2008384 650308 7.06 704280 1735604 10228 Average: 5663110 7404659 2504310 30.66 56233 1850286 696070 7.55 671593 1639637 56910 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 ens3 457.84 269.34 1465.92 67.25 0.00 0.00 0.00 0.00 12:48:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:49:01 ens3 108.83 80.83 476.73 22.05 0.00 0.00 0.00 0.00 12:49:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 12:50:01 ens3 310.50 313.48 1241.09 645.84 0.00 0.00 0.00 0.00 12:50:01 lo 1.37 1.37 0.12 0.12 0.00 0.00 0.00 0.00 12:51:01 ens3 11.85 12.35 9.26 5.99 0.00 0.00 0.00 0.00 12:51:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 222.72 169.37 799.58 185.98 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2038) 12/30/25 _x86_64_ (4 CPU) 12:46:52 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 22.12 0.00 2.01 4.77 1.17 69.94 12:48:02 0 21.09 0.00 1.88 5.35 1.32 70.35 12:48:02 1 33.62 0.00 2.13 3.34 1.35 59.56 12:48:02 2 22.14 0.00 2.04 6.11 1.27 68.45 12:48:02 3 11.62 0.00 1.97 4.30 0.75 81.36 12:49:01 all 25.78 0.00 1.51 1.98 1.29 69.45 12:49:01 0 10.07 0.00 0.69 3.88 0.96 84.39 12:49:01 1 71.46 0.00 3.95 1.02 2.31 21.26 12:49:01 2 9.67 0.00 0.42 0.95 0.98 87.98 12:49:01 3 12.07 0.00 0.98 2.01 0.91 84.02 12:50:01 all 34.35 0.00 1.90 1.45 1.76 60.55 12:50:01 0 28.94 0.00 2.07 1.72 1.62 65.65 12:50:01 1 50.43 0.00 1.55 0.40 1.92 45.70 12:50:01 2 28.18 0.00 1.95 0.80 1.71 67.35 12:50:01 3 29.85 0.00 2.04 2.89 1.77 63.46 12:51:01 all 21.24 0.00 0.89 0.75 0.75 76.37 12:51:01 0 15.01 0.00 0.72 0.85 0.60 82.82 12:51:01 1 49.53 0.00 1.18 0.10 1.56 47.63 12:51:01 2 10.47 0.00 0.68 0.12 0.53 88.20 12:51:01 3 9.90 0.00 0.98 1.93 0.33 86.85 Average: all 25.87 0.00 1.58 2.24 1.24 69.08 Average: 0 18.80 0.00 1.34 2.95 1.12 75.78 Average: 1 51.17 0.00 2.20 1.21 1.78 43.63 Average: 2 17.64 0.00 1.28 1.99 1.12 77.96 Average: 3 15.87 0.00 1.49 2.79 0.94 78.91