---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1223 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 7.7G 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 5189 0 2322 7227 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:90:dc:38 brd ff:ff:ff:ff:ff:ff inet 10.32.6.78/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe90:dc38/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1223) 12/20/25 _x86_64_ (4 CPU) 05:56:54 LINUX RESTART (4 CPU) 05:57:01 tps rtps wtps bread/s bwrtn/s 05:58:02 139.19 54.78 84.41 3589.07 40403.35 05:59:01 75.13 21.37 53.76 1383.80 9384.48 06:00:01 47.24 16.31 30.93 917.05 7505.82 06:01:01 15.80 6.75 9.05 200.90 3133.08 06:02:01 32.77 0.75 32.02 86.18 7285.51 Average: 61.98 19.99 41.99 1234.80 13556.06 05:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:02 5987124 7410588 2180296 26.70 36948 1566496 709688 7.70 590940 1427616 87488 05:59:01 5723168 7417368 2444252 29.93 56980 1801260 820260 8.90 599080 1651224 131060 06:00:01 4819760 6710276 3347660 40.99 62648 1985476 1338712 14.53 1334580 1803168 84728 06:01:01 5393644 7467812 2773776 33.96 66380 2159956 611756 6.64 662180 1891904 170400 06:02:01 5307576 7393668 2859844 35.02 69128 2169396 696984 7.56 745788 1895284 10024 Average: 5446254 7279942 2721166 33.32 58417 1936517 835480 9.07 786514 1733839 96740 05:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:02 ens3 435.32 241.92 1414.09 65.50 0.00 0.00 0.00 0.00 05:58:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 05:59:01 ens3 66.64 41.65 458.70 11.18 0.00 0.00 0.00 0.00 05:59:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 06:00:01 ens3 193.42 177.42 2468.19 24.52 0.00 0.00 0.00 0.00 06:00:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 06:01:01 ens3 123.78 113.36 1055.91 18.27 0.00 0.00 0.00 0.00 06:01:01 lo 119.66 119.66 36.23 36.23 0.00 0.00 0.00 0.00 06:02:01 ens3 12.92 13.55 10.43 6.43 0.00 0.00 0.00 0.00 06:02:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 166.73 117.82 1083.36 25.22 0.00 0.00 0.00 0.00 Average: lo 24.68 24.68 7.33 7.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1223) 12/20/25 _x86_64_ (4 CPU) 05:56:54 LINUX RESTART (4 CPU) 05:57:01 CPU %user %nice %system %iowait %steal %idle 05:58:02 all 20.42 0.00 2.48 5.07 2.40 69.63 05:58:02 0 11.01 0.00 4.19 6.95 2.09 75.76 05:58:02 1 22.16 0.00 2.04 1.11 2.19 72.50 05:58:02 2 15.57 0.00 1.63 5.01 2.52 75.27 05:58:02 3 32.95 0.00 2.07 7.22 2.77 54.99 05:59:01 all 21.23 0.00 1.49 2.24 1.83 73.21 05:59:01 0 27.00 0.00 1.53 5.50 2.42 63.55 05:59:01 1 7.55 0.00 0.71 1.72 1.23 88.78 05:59:01 2 14.71 0.00 1.45 0.72 1.77 81.34 05:59:01 3 35.59 0.00 2.29 1.03 1.90 59.19 06:00:01 all 29.67 0.00 1.49 1.02 4.89 62.92 06:00:01 0 29.56 0.00 1.38 1.86 4.77 62.43 06:00:01 1 31.04 0.00 0.76 0.33 4.17 63.70 06:00:01 2 28.33 0.00 2.46 1.48 5.79 61.94 06:00:01 3 29.78 0.00 1.35 0.39 4.84 63.63 06:01:01 all 38.25 0.00 1.91 0.29 6.01 53.55 06:01:01 0 36.93 0.00 1.81 0.21 5.88 55.16 06:01:01 1 44.10 0.00 1.49 0.11 6.00 48.30 06:01:01 2 37.02 0.00 1.97 0.43 6.23 54.36 06:01:01 3 34.95 0.00 2.35 0.39 5.92 56.39 06:02:01 all 20.46 0.00 0.97 1.07 1.38 76.11 06:02:01 0 1.86 0.00 0.53 0.81 0.50 96.30 06:02:01 1 58.47 0.00 1.73 0.37 2.52 36.91 06:02:01 2 5.14 0.00 0.81 2.89 1.01 90.14 06:02:01 3 16.34 0.00 0.84 0.22 1.49 81.11 Average: all 26.06 0.00 1.67 1.93 3.32 67.02 Average: 0 21.33 0.00 1.89 3.05 3.14 70.59 Average: 1 32.78 0.00 1.35 0.72 3.24 61.92 Average: 2 20.24 0.00 1.67 2.10 3.48 72.51 Average: 3 29.91 0.00 1.78 1.84 3.40 63.06