---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-14565 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 15G 63G 20% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 609 7440 4 7939 15037 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:1c:d6:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.168/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84785sec preferred_lft 84785sec inet6 fe80::f816:3eff:fe1c:d61e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:13:6e:b7:9e:92 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-v1-8c-8g-14565) 08/01/26 _x86_64_ (4 CPU) 04:58:22 LINUX RESTART (4 CPU) 05:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:13 116.17 4.48 109.46 2.23 234.16 15087.29 20342.97 05:20:13 317.97 7.63 303.12 7.23 390.73 9930.61 44893.34 Average: 216.93 6.05 206.16 4.73 312.34 12512.47 32601.40 05:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:13 7641612 13582540 2365808 14.45 154184 5852176 3056304 17.54 836500 7434160 718884 05:20:13 6545572 12725672 3218824 19.66 188508 6033660 3329924 19.11 950752 8370748 88 Average: 7093592 13154106 2792316 17.05 171346 5942918 3193114 18.33 893626 7902454 359486 05:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:13 lo 49.77 49.77 15.18 15.18 0.00 0.00 0.00 0.00 05:10:13 ens3 715.39 483.32 1548.14 198.11 0.00 0.00 0.00 0.00 05:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:13 lo 69.22 69.22 43.16 43.16 0.00 0.00 0.00 0.00 05:20:13 ens3 251.11 179.04 230.98 72.24 0.00 0.00 0.00 0.00 05:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 59.48 59.48 29.15 29.15 0.00 0.00 0.00 0.00 Average: ens3 483.57 331.39 890.46 135.26 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-v1-8c-8g-14565) 08/01/26 _x86_64_ (4 CPU) 04:58:22 LINUX RESTART (4 CPU) 05:00:12 CPU %user %nice %system %iowait %steal %idle 05:10:13 all 39.01 0.00 2.71 5.27 0.08 52.93 05:10:13 0 37.30 0.00 2.58 1.29 0.09 58.75 05:10:13 1 39.19 0.00 2.98 6.11 0.08 51.64 05:10:13 2 39.80 0.00 2.77 1.93 0.09 55.41 05:10:13 3 39.74 0.00 2.52 11.74 0.08 45.92 05:20:13 all 37.14 0.00 2.13 2.68 0.08 57.96 05:20:13 0 37.03 0.00 2.03 2.11 0.08 58.75 05:20:13 1 37.31 0.00 2.35 2.51 0.09 57.75 05:20:13 2 37.40 0.00 1.87 3.55 0.08 57.11 05:20:13 3 36.82 0.00 2.28 2.57 0.08 58.25 Average: all 38.08 0.00 2.42 3.98 0.08 55.44 Average: 0 37.17 0.00 2.30 1.70 0.08 58.75 Average: 1 38.25 0.00 2.67 4.31 0.08 54.69 Average: 2 38.60 0.00 2.32 2.74 0.08 56.26 Average: 3 38.28 0.00 2.40 7.16 0.08 52.08