---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53676 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 11G 68G 14% / 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 672 10537 4 4779 14974 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:81:e7:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83603sec preferred_lft 83603sec inet6 fe80::f816:3eff:fe81:e758/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:eb:b3:a8:8f:58 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53676) 03/28/26 _x86_64_ (4 CPU) 02:43:22 LINUX RESTART (4 CPU) 02:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:01 2.36 0.01 2.35 0.00 0.04 43.88 0.24 03:10:06 10.14 1.89 7.88 0.37 122.82 2048.74 16.85 03:20:06 11.24 0.75 9.44 1.05 27.17 2262.80 749.75 Average: 7.94 0.89 6.58 0.47 50.43 1458.76 255.72 02:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 13132512 15499804 479740 2.93 97972 2462588 977320 5.61 334940 2584324 52 03:10:06 10872812 13903272 2059112 12.58 122840 3056680 2399384 13.77 511504 4638492 28280 03:20:06 9077444 13205212 2748356 16.79 164244 4018220 2935696 16.85 727164 6091828 442568 Average: 11027589 14202763 1762403 10.76 128352 3179163 2104133 12.08 524536 4438215 156967 02:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:00:01 ens3 7.55 6.37 75.96 1.06 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:06 lo 0.59 0.59 0.06 0.06 0.00 0.00 0.00 0.00 03:10:06 ens3 71.81 54.58 576.59 11.18 0.00 0.00 0.00 0.00 03:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:06 lo 50.38 50.38 46.91 46.91 0.00 0.00 0.00 0.00 03:20:06 ens3 71.96 50.98 326.01 17.33 0.00 0.00 0.00 0.00 03:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.03 17.03 15.66 15.66 0.00 0.00 0.00 0.00 Average: ens3 50.66 37.47 327.90 9.89 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53676) 03/28/26 _x86_64_ (4 CPU) 02:43:22 LINUX RESTART (4 CPU) 02:50:07 CPU %user %nice %system %iowait %steal %idle 03:00:01 all 0.26 0.00 0.05 0.02 0.01 99.66 03:00:01 0 0.10 0.00 0.02 0.00 0.01 99.88 03:00:01 1 0.56 0.00 0.08 0.07 0.02 99.27 03:00:01 2 0.26 0.00 0.03 0.01 0.01 99.69 03:00:01 3 0.11 0.00 0.07 0.01 0.01 99.80 03:10:06 all 31.71 0.00 1.00 0.05 0.06 67.18 03:10:06 0 32.36 0.00 1.08 0.09 0.06 66.41 03:10:06 1 31.96 0.00 0.97 0.03 0.06 66.97 03:10:06 2 31.01 0.00 0.99 0.04 0.05 67.91 03:10:06 3 31.52 0.00 0.97 0.05 0.05 67.41 03:20:06 all 70.83 0.00 2.34 0.05 0.12 26.66 03:20:06 0 70.16 0.00 2.22 0.05 0.12 27.45 03:20:06 1 70.75 0.00 2.32 0.10 0.11 26.72 03:20:06 2 69.94 0.00 2.50 0.05 0.12 27.39 03:20:06 3 72.46 0.00 2.33 0.02 0.12 25.07 Average: all 34.35 0.00 1.13 0.04 0.06 64.41 Average: 0 34.29 0.00 1.11 0.05 0.06 64.49 Average: 1 34.49 0.00 1.12 0.07 0.06 64.25 Average: 2 33.81 0.00 1.18 0.03 0.06 64.92 Average: 3 34.80 0.00 1.12 0.03 0.06 63.99