---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53474 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: 5599.99 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 66G 16% / 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 653 8825 4 6510 14993 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:c4:bd:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83958sec preferred_lft 83958sec inet6 fe80::f816:3eff:fec4:bdee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:2c:cc:f1:f9:d3 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-53474) 03/27/26 _x86_64_ (4 CPU) 09:58:22 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:03 43.21 5.11 36.90 1.21 283.58 4628.60 4593.41 10:20:03 21.13 0.07 18.58 2.48 6.48 2183.69 4040.89 10:30:01 30.87 0.01 27.73 3.13 0.23 2557.45 17437.73 Average: 31.75 1.74 27.75 2.27 97.13 3125.95 8674.80 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:03 10906724 13969992 1993508 12.18 115792 3113428 2334276 13.40 529048 4593788 17488 10:20:03 9272100 12822852 3135640 19.15 138628 3532060 3192412 18.32 688508 6028516 27432 10:30:01 8211640 12768724 3185332 19.45 159880 4470772 3210464 18.43 973332 6752756 593164 Average: 9463488 13187189 2771493 16.93 138100 3705420 2912384 16.72 730296 5791687 212695 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:03 lo 317.00 317.00 301.98 301.98 0.00 0.00 0.00 0.00 10:10:03 ens3 112.00 80.88 1166.27 13.76 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 1276.62 1276.62 1210.38 1210.38 0.00 0.00 0.00 0.00 10:20:03 ens3 29.53 25.84 48.24 8.32 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 1452.51 1452.51 1383.41 1383.41 0.00 0.00 0.00 0.00 10:30:01 ens3 26.86 22.45 44.08 7.11 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1013.92 1013.92 963.87 963.87 0.00 0.00 0.00 0.00 Average: ens3 56.24 43.13 420.98 9.74 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-53474) 03/27/26 _x86_64_ (4 CPU) 09:58:22 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:03 all 18.90 0.00 1.08 0.29 0.05 79.68 10:10:03 0 17.63 0.00 0.92 0.33 0.05 81.08 10:10:03 1 20.24 0.00 1.32 0.18 0.06 78.20 10:10:03 2 17.31 0.00 0.91 0.23 0.06 81.50 10:10:03 3 20.44 0.00 1.18 0.40 0.06 77.93 10:20:03 all 67.24 0.00 2.48 0.05 0.14 30.09 10:20:03 0 65.78 0.00 2.46 0.08 0.14 31.55 10:20:03 1 68.13 0.00 2.57 0.04 0.15 29.12 10:20:03 2 67.12 0.00 2.29 0.05 0.14 30.40 10:20:03 3 67.92 0.00 2.63 0.03 0.14 29.28 10:30:01 all 63.49 0.00 2.59 0.06 0.12 33.73 10:30:01 0 62.79 0.00 2.65 0.08 0.12 34.35 10:30:01 1 63.90 0.00 2.63 0.06 0.12 33.29 10:30:01 2 63.65 0.00 2.80 0.05 0.12 33.38 10:30:01 3 63.63 0.00 2.27 0.07 0.12 33.90 Average: all 49.79 0.00 2.05 0.13 0.11 47.92 Average: 0 48.64 0.00 2.01 0.16 0.10 49.09 Average: 1 50.65 0.00 2.17 0.09 0.11 46.97 Average: 2 49.27 0.00 1.99 0.11 0.11 48.51 Average: 3 50.61 0.00 2.02 0.17 0.11 47.10