---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2897 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 656 11086 0 4297 15054 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:6a:1d:7c brd ff:ff:ff:ff:ff:ff inet 10.30.106.44/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85973sec preferred_lft 85973sec inet6 fe80::f816:3eff:fe6a:1d7c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2897) 10/15/25 _x86_64_ (4 CPU) 13:02:21 LINUX RESTART (4 CPU) 13:03:02 tps rtps wtps bread/s bwrtn/s 13:04:01 194.34 34.62 159.72 1842.13 42179.16 13:05:01 83.64 14.86 68.77 842.53 13433.09 13:06:01 22.25 0.13 22.11 1.33 2825.00 13:07:01 25.08 0.00 25.08 0.00 4053.86 13:08:01 38.31 0.10 38.21 1.47 12986.77 13:09:01 47.53 3.38 44.14 307.82 54945.24 Average: 68.17 8.78 59.39 495.47 21680.25 13:03:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:04:01 13443316 15273624 2981652 18.15 75184 1944712 1040104 5.95 972140 1772048 104740 13:05:01 11284856 13439820 5140112 31.29 81608 2254368 2716452 15.55 2908828 1970304 13024 13:06:01 11333420 13624104 5091548 31.00 85132 2382572 2512836 14.38 2744364 2081016 68388 13:07:01 11249068 13592016 5175900 31.51 89384 2427628 2529132 14.47 2778372 2123364 3948 13:08:01 10723272 14176608 5701696 34.71 93688 3502496 1981476 11.34 2362212 3030796 843732 13:09:01 11345368 15402704 5079600 30.93 96556 4086956 919740 5.26 1322092 3436484 30668 Average: 11563217 14251479 4861751 29.60 86925 2766455 1949957 11.16 2181335 2402335 177417 13:03:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:04:01 lo 0.61 0.61 0.07 0.07 0.00 0.00 0.00 0.00 13:04:01 ens3 291.88 228.44 2895.71 43.83 0.00 0.00 0.00 0.00 13:05:01 lo 2.48 2.48 8.75 8.75 0.00 0.00 0.00 0.00 13:05:01 ens3 882.09 671.55 4565.76 196.82 0.00 0.00 0.00 0.00 13:06:01 lo 4.48 4.48 17.20 17.20 0.00 0.00 0.00 0.00 13:06:01 ens3 716.60 542.39 937.45 191.89 0.00 0.00 0.00 0.00 13:07:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 13:07:01 ens3 98.72 69.37 597.77 14.34 0.00 0.00 0.00 0.00 13:08:01 lo 1.12 1.12 0.11 0.11 0.00 0.00 0.00 0.00 13:08:01 ens3 288.55 197.17 3777.85 25.58 0.00 0.00 0.00 0.00 13:09:01 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 13:09:01 ens3 594.55 431.96 2589.38 140.87 0.00 0.00 0.00 0.00 Average: lo 1.63 1.63 4.39 4.39 0.00 0.00 0.00 0.00 Average: ens3 479.25 357.17 2559.72 102.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2897) 10/15/25 _x86_64_ (4 CPU) 13:02:21 LINUX RESTART (4 CPU) 13:03:02 CPU %user %nice %system %iowait %steal %idle 13:04:01 all 26.85 0.00 1.83 2.94 0.08 68.31 13:04:01 0 40.54 0.00 2.94 1.51 0.09 54.92 13:04:01 1 15.12 0.00 1.09 4.15 0.07 79.57 13:04:01 2 36.23 0.00 1.94 1.94 0.07 59.83 13:04:01 3 15.47 0.00 1.38 4.17 0.07 78.91 13:05:01 all 64.62 0.00 3.42 0.29 0.12 31.55 13:05:01 0 69.13 0.00 2.73 0.03 0.10 28.01 13:05:01 1 63.52 0.00 4.15 0.62 0.12 31.60 13:05:01 2 60.78 0.00 3.75 0.33 0.12 35.02 13:05:01 3 65.07 0.00 3.05 0.17 0.13 31.58 13:06:01 all 37.74 0.00 2.78 0.02 0.07 59.39 13:06:01 0 39.91 0.00 3.20 0.00 0.08 56.81 13:06:01 1 27.68 0.00 2.40 0.08 0.08 69.76 13:06:01 2 40.44 0.00 2.40 0.00 0.07 57.09 13:06:01 3 43.03 0.00 3.14 0.00 0.07 53.77 13:07:01 all 7.06 0.00 0.43 0.05 0.06 92.41 13:07:01 0 6.67 0.00 0.17 0.00 0.05 93.12 13:07:01 1 4.70 0.00 0.25 0.13 0.05 94.87 13:07:01 2 9.05 0.00 0.57 0.00 0.07 90.31 13:07:01 3 7.83 0.00 0.70 0.05 0.07 91.35 13:08:01 all 18.78 0.00 1.10 0.18 0.07 79.88 13:08:01 0 15.75 0.00 0.77 0.00 0.05 83.43 13:08:01 1 17.99 0.00 0.82 0.12 0.08 80.99 13:08:01 2 21.07 0.00 1.82 0.62 0.07 76.41 13:08:01 3 20.29 0.00 0.97 0.00 0.08 78.66 13:09:01 all 41.08 0.00 2.05 1.22 0.09 55.56 13:09:01 0 38.94 0.00 2.19 0.85 0.10 57.91 13:09:01 1 39.92 0.00 1.95 2.62 0.07 55.43 13:09:01 2 43.51 0.00 2.21 0.44 0.10 53.74 13:09:01 3 41.92 0.00 1.83 0.98 0.10 55.16 Average: all 32.70 0.00 1.93 0.78 0.08 64.51 Average: 0 35.12 0.00 1.99 0.40 0.08 62.41 Average: 1 28.17 0.00 1.78 1.28 0.08 68.69 Average: 2 35.19 0.00 2.12 0.55 0.08 62.06 Average: 3 32.31 0.00 1.85 0.89 0.09 64.88