---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66049 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 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 769 9483 4 5735 14877 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:dd:5c:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83550sec preferred_lft 83550sec inet6 fe80::f816:3eff:fedd:5cb7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:b7:ff:77:e3:25 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-66049) 04/02/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 15.01 2.29 11.68 1.03 135.04 3613.28 4071.97 20:50:04 60.89 0.33 45.45 15.12 9.85 4322.51 23584.37 21:00:06 37.86 0.29 30.39 7.17 11.69 5084.70 18096.44 21:10:06 2.02 0.00 2.02 0.00 0.00 118.81 0.00 Average: 28.90 0.73 22.35 5.82 39.35 3285.94 11419.63 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 10103300 13614448 2343568 14.31 163552 3448380 2720604 15.62 623120 5241468 95572 20:50:04 9028920 13344616 2605564 15.91 207480 4141696 2795484 16.05 818412 6032192 13736 21:00:06 9862308 15369472 577092 3.52 244516 5229716 1120800 6.43 1207080 4738724 26816 21:10:06 9840536 15348372 597240 3.65 245140 5229860 1120800 6.43 1208884 4737796 336 Average: 9708766 14419227 1530866 9.35 215172 4512413 1939422 11.13 964374 5187545 34115 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 1.27 1.27 0.13 0.13 0.00 0.00 0.00 0.00 20:40:06 ens3 105.19 79.32 512.82 21.27 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:04 lo 5067.64 5067.64 4833.02 4833.02 0.00 0.00 0.00 0.00 20:50:04 ens3 97.67 68.94 322.19 20.13 0.00 0.00 0.00 0.00 20:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 3405.01 3405.01 3245.37 3245.37 0.00 0.00 0.00 0.00 21:00:06 ens3 75.28 60.55 100.33 26.29 0.00 0.00 0.00 0.00 21:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:06 lo 27.32 27.32 6.31 6.31 0.00 0.00 0.00 0.00 21:10:06 ens3 80.83 95.96 33.14 513.53 0.00 0.00 0.00 0.00 21:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2119.91 2119.91 2016.07 2016.07 0.00 0.00 0.00 0.00 Average: ens3 89.76 76.19 242.58 145.04 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-66049) 04/02/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 64.04 0.00 2.27 0.05 0.09 33.55 20:40:06 0 63.95 0.00 2.42 0.09 0.08 33.46 20:40:06 1 64.54 0.00 2.12 0.05 0.09 33.20 20:40:06 2 63.73 0.00 2.42 0.04 0.09 33.72 20:40:06 3 63.92 0.00 2.14 0.02 0.08 33.83 20:50:04 all 60.55 0.00 4.11 0.99 0.10 34.25 20:50:04 0 60.84 0.00 3.80 0.33 0.10 34.93 20:50:04 1 59.67 0.00 4.19 2.06 0.10 33.98 20:50:04 2 59.98 0.00 4.08 0.80 0.10 35.05 20:50:04 3 61.71 0.00 4.36 0.76 0.10 33.06 21:00:06 all 53.92 0.00 3.38 3.19 0.09 39.42 21:00:06 0 52.33 0.00 3.34 4.71 0.09 39.53 21:00:06 1 56.52 0.00 3.28 3.21 0.09 36.90 21:00:06 2 53.20 0.00 3.23 3.25 0.10 40.23 21:00:06 3 53.63 0.00 3.66 1.57 0.09 41.04 21:10:06 all 11.46 0.00 0.32 0.11 0.04 88.07 21:10:06 0 6.87 0.00 0.26 0.06 0.04 92.79 21:10:06 1 10.75 0.00 0.34 0.02 0.04 88.85 21:10:06 2 14.70 0.00 0.35 0.06 0.05 84.85 21:10:06 3 13.52 0.00 0.33 0.32 0.04 85.78 Average: all 47.50 0.00 2.52 1.08 0.08 48.82 Average: 0 46.00 0.00 2.45 1.30 0.08 50.18 Average: 1 47.89 0.00 2.48 1.33 0.08 48.22 Average: 2 47.91 0.00 2.52 1.04 0.08 48.46 Average: 3 48.20 0.00 2.62 0.67 0.08 48.43