---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54236 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 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 617 10593 4 4778 15028 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:6e:27:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84237sec preferred_lft 84237sec inet6 fe80::f816:3eff:fe6e:27d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:ba:6f:0e:4b:33 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-54236) 03/30/26 _x86_64_ (4 CPU) 11:17:29 LINUX RESTART (4 CPU) 11:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:00 11.81 1.96 9.28 0.57 125.84 2447.81 576.24 11:40:00 23.58 0.78 19.86 2.94 27.85 3480.01 7669.52 11:50:00 11.82 0.40 9.48 1.95 13.57 1845.85 3968.75 Average: 15.74 1.04 12.87 1.82 55.76 2591.23 4071.50 11:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:00 11027008 14154076 1807380 11.04 127236 3138720 2121108 12.18 532600 4441648 22936 11:40:00 9152984 13321508 2631092 16.07 168756 4051456 2830496 16.25 776272 5986456 106128 11:50:00 10797412 15330292 620856 3.79 176816 4387824 1101516 6.32 905308 4167836 12 Average: 10325801 14268625 1686443 10.30 157603 3859333 2017707 11.58 738060 4865313 43025 11:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:00 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 11:30:00 ens3 80.47 67.25 639.98 15.36 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:00 lo 1225.43 1225.43 1167.39 1167.39 0.00 0.00 0.00 0.00 11:40:00 ens3 72.02 55.21 326.94 18.55 0.00 0.00 0.00 0.00 11:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 lo 419.18 419.18 391.21 391.21 0.00 0.00 0.00 0.00 11:50:00 ens3 50.35 51.90 121.67 111.17 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 548.47 548.47 519.56 519.56 0.00 0.00 0.00 0.00 Average: ens3 67.61 58.12 362.86 48.36 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-54236) 03/30/26 _x86_64_ (4 CPU) 11:17:29 LINUX RESTART (4 CPU) 11:20:00 CPU %user %nice %system %iowait %steal %idle 11:30:00 all 42.94 0.00 1.47 0.05 0.06 55.48 11:30:00 0 42.96 0.00 1.35 0.02 0.06 55.61 11:30:00 1 43.29 0.00 1.43 0.09 0.07 55.12 11:30:00 2 42.26 0.00 1.36 0.04 0.07 56.27 11:30:00 3 43.25 0.00 1.73 0.05 0.06 54.92 11:40:00 all 69.63 0.00 2.66 0.12 0.09 27.50 11:40:00 0 67.96 0.00 2.27 0.16 0.09 29.53 11:40:00 1 71.49 0.00 2.86 0.07 0.09 25.50 11:40:00 2 69.54 0.00 2.60 0.21 0.09 27.55 11:40:00 3 69.54 0.00 2.90 0.05 0.09 27.42 11:50:00 all 21.64 0.00 0.84 0.04 0.04 77.43 11:50:00 0 22.88 0.00 0.68 0.02 0.05 76.38 11:50:00 1 23.89 0.00 1.02 0.06 0.05 74.97 11:50:00 2 21.74 0.00 0.84 0.06 0.04 77.32 11:50:00 3 18.06 0.00 0.83 0.03 0.04 81.03 Average: all 44.72 0.00 1.66 0.07 0.06 53.49 Average: 0 44.59 0.00 1.43 0.06 0.06 53.85 Average: 1 46.20 0.00 1.77 0.07 0.07 51.89 Average: 2 44.49 0.00 1.60 0.10 0.06 53.75 Average: 3 43.60 0.00 1.82 0.04 0.06 54.48