---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52841 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 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 760 9504 4 5724 14885 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:d1:f8:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83810sec preferred_lft 83810sec inet6 fe80::f816:3eff:fed1:f881/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:a4:f0:12:cb:ac 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-52841) 03/25/26 _x86_64_ (4 CPU) 20:25:06 LINUX RESTART (4 CPU) 20:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 12.71 2.34 9.55 0.81 138.78 2899.94 2171.04 20:50:06 48.14 0.34 39.56 8.24 9.90 4621.02 6491.01 21:00:06 44.12 0.01 35.87 8.24 0.39 3110.21 13306.57 Average: 35.09 0.89 28.41 5.79 49.33 3548.51 7334.88 20:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 10581536 13791784 2169484 13.25 144008 3197848 2426864 13.93 555324 4859560 43660 20:50:06 9029944 13325268 2625944 16.04 202132 4131784 2755972 15.82 805620 6031404 53488 21:00:06 7452392 12940468 3003748 18.35 242300 5212928 3093460 17.76 1201240 7148124 696296 Average: 9021291 13352507 2599725 15.88 196147 4180853 2758765 15.84 854061 6013029 264481 20:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.10 1.10 0.12 0.12 0.00 0.00 0.00 0.00 20:40:01 ens3 96.09 77.78 542.47 19.41 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 3716.36 3716.36 3544.19 3544.19 0.00 0.00 0.00 0.00 20:50:06 ens3 99.77 72.46 320.55 21.95 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 4429.25 4429.25 4223.00 4223.00 0.00 0.00 0.00 0.00 21:00:06 ens3 82.84 64.57 102.38 21.78 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 Average: lo 2725.89 2725.89 2598.95 2598.95 0.00 0.00 0.00 0.00 Average: ens3 92.91 71.59 321.18 21.05 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-52841) 03/25/26 _x86_64_ (4 CPU) 20:25:06 LINUX RESTART (4 CPU) 20:30:06 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 52.23 0.00 1.80 0.04 0.10 45.84 20:40:01 0 51.18 0.00 1.85 0.03 0.10 46.84 20:40:01 1 51.95 0.00 1.59 0.02 0.10 46.34 20:40:01 2 53.41 0.00 1.70 0.03 0.10 44.77 20:40:01 3 52.36 0.00 2.06 0.09 0.10 45.39 20:50:06 all 64.30 0.00 3.75 0.08 0.12 31.75 20:50:06 0 65.47 0.00 3.25 0.10 0.12 31.06 20:50:06 1 62.38 0.00 3.63 0.09 0.11 33.78 20:50:06 2 64.58 0.00 4.24 0.05 0.12 31.01 20:50:06 3 64.79 0.00 3.87 0.07 0.12 31.15 21:00:06 all 62.68 0.00 3.91 0.08 0.10 33.23 21:00:06 0 62.35 0.00 3.76 0.11 0.10 33.68 21:00:06 1 61.75 0.00 3.64 0.07 0.10 34.44 21:00:06 2 63.10 0.00 4.02 0.04 0.11 32.74 21:00:06 3 63.52 0.00 4.22 0.08 0.11 32.07 Average: all 59.77 0.00 3.16 0.07 0.11 36.91 Average: 0 59.70 0.00 2.96 0.08 0.10 37.15 Average: 1 58.72 0.00 2.96 0.06 0.10 38.15 Average: 2 60.38 0.00 3.32 0.04 0.11 36.14 Average: 3 60.26 0.00 3.39 0.08 0.11 36.17