---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46501 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: 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 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 686 10495 4 4807 14960 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:04:6f:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83851sec preferred_lft 83851sec inet6 fe80::f816:3eff:fe04:6f85/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:af:1c:fd:99:83 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-46501) 03/25/26 _x86_64_ (4 CPU) 11:04:22 LINUX RESTART (4 CPU) 11:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:03 1.84 0.01 1.82 0.00 0.07 42.24 293.09 11:30:01 26.70 1.93 10.87 13.91 124.74 2762.79 241898.89 11:40:03 30.66 0.82 26.26 3.58 28.43 3429.25 1275.97 Average: 19.74 0.92 13.00 5.82 50.96 2078.85 80863.07 11:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:03 13154200 15519920 459620 2.81 97876 2461180 985948 5.66 334580 2567748 284 11:30:01 10729304 13948888 2011916 12.29 132184 3217864 2357208 13.53 556212 4718200 16776 11:40:03 8544824 12982704 2968888 18.13 170820 4307772 3570280 20.49 876048 6471832 312760 Average: 10809443 14150504 1813475 11.08 133627 3328939 2304479 13.23 588947 4585927 109940 11:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:03 ens3 7.98 6.13 62.27 1.14 0.00 0.00 0.00 0.00 11:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 11:30:01 ens3 83.41 67.21 577.10 17.06 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:03 lo 1589.38 1589.38 1515.33 1515.33 0.00 0.00 0.00 0.00 11:40:03 ens3 91.59 67.18 448.97 17.59 0.00 0.00 0.00 0.00 11:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 532.10 532.10 506.97 506.97 0.00 0.00 0.00 0.00 Average: ens3 61.00 46.84 362.62 11.93 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-46501) 03/25/26 _x86_64_ (4 CPU) 11:04:22 LINUX RESTART (4 CPU) 11:10:04 CPU %user %nice %system %iowait %steal %idle 11:20:03 all 0.13 0.00 0.05 0.17 0.07 99.59 11:20:03 0 0.17 0.00 0.04 0.38 0.04 99.37 11:20:03 1 0.09 0.00 0.03 0.03 0.12 99.74 11:20:03 2 0.23 0.00 0.10 0.25 0.12 99.30 11:20:03 3 0.02 0.00 0.02 0.02 0.01 99.94 11:30:01 all 57.70 0.00 1.91 0.07 0.11 40.21 11:30:01 0 57.57 0.00 1.81 0.06 0.11 40.45 11:30:01 1 59.54 0.00 1.76 0.07 0.11 38.52 11:30:01 2 57.50 0.00 2.13 0.10 0.11 40.17 11:30:01 3 56.21 0.00 1.94 0.03 0.11 41.71 11:40:03 all 67.96 0.00 2.84 0.22 0.13 28.85 11:40:03 0 65.84 0.00 2.81 0.45 0.12 30.78 11:40:03 1 66.73 0.00 2.89 0.19 0.13 30.06 11:40:03 2 69.71 0.00 2.96 0.15 0.13 27.06 11:40:03 3 69.57 0.00 2.71 0.09 0.13 27.50 Average: all 41.91 0.00 1.60 0.15 0.10 56.24 Average: 0 41.18 0.00 1.55 0.30 0.09 56.87 Average: 1 42.09 0.00 1.56 0.10 0.12 56.14 Average: 2 42.45 0.00 1.73 0.17 0.12 55.54 Average: 3 41.90 0.00 1.55 0.05 0.08 56.42