---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1806 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 67G 15% / 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 724 9442 4 5822 14922 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:66:6a:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84510sec preferred_lft 84510sec inet6 fe80::f816:3eff:fe66:6a81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:9d:ed:38:7c:fa 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1806) 08/03/26 _x86_64_ (4 CPU) 15:47:36 LINUX RESTART (4 CPU) 15:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:02 24.75 2.88 20.01 1.86 356.33 5024.64 6455.37 16:10:01 31.33 0.06 27.90 3.38 1.66 3170.33 23198.50 Average: 28.05 1.46 23.97 2.62 178.42 4094.50 14853.85 15:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:02 9598852 13468676 2486732 15.19 157460 3796204 2760548 15.85 772104 5565960 13904 16:10:01 8387504 13283008 2667308 16.29 190132 4726320 2880032 16.53 993896 6499768 458560 Average: 8993178 13375842 2577020 15.74 173796 4261262 2820290 16.19 883000 6032864 236232 15:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:02 lo 790.43 790.43 753.23 753.23 0.00 0.00 0.00 0.00 16:00:02 ens3 111.63 85.68 888.80 18.69 0.00 0.00 0.00 0.00 16:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1434.95 1434.95 1366.59 1366.59 0.00 0.00 0.00 0.00 16:10:01 ens3 54.67 43.53 216.40 12.97 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1113.72 1113.72 1060.90 1060.90 0.00 0.00 0.00 0.00 Average: ens3 83.06 64.54 551.52 15.82 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1806) 08/03/26 _x86_64_ (4 CPU) 15:47:36 LINUX RESTART (4 CPU) 15:50:07 CPU %user %nice %system %iowait %steal %idle 16:00:02 all 61.17 0.00 2.06 0.53 0.10 36.13 16:00:02 0 60.79 0.00 2.00 0.32 0.10 36.79 16:00:02 1 58.63 0.00 1.76 0.46 0.10 39.04 16:00:02 2 61.59 0.00 2.52 1.09 0.10 34.70 16:00:02 3 63.67 0.00 1.98 0.26 0.10 33.99 16:10:01 all 56.96 0.00 2.45 0.09 0.11 40.39 16:10:01 0 55.54 0.00 2.27 0.11 0.10 41.98 16:10:01 1 57.55 0.00 2.53 0.06 0.11 39.76 16:10:01 2 57.58 0.00 2.45 0.11 0.11 39.74 16:10:01 3 57.15 0.00 2.56 0.10 0.10 40.08 Average: all 59.06 0.00 2.26 0.31 0.10 38.27 Average: 0 58.16 0.00 2.13 0.21 0.10 39.39 Average: 1 58.09 0.00 2.14 0.26 0.10 39.40 Average: 2 59.58 0.00 2.49 0.60 0.11 37.23 Average: 3 60.40 0.00 2.27 0.18 0.10 37.04