---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66326 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 689 9388 4 5911 14957 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:d4:3a:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84430sec preferred_lft 84430sec inet6 fe80::f816:3eff:fed4:3a1d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:54:c7:8e:45:e5 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-66326) 04/04/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 27.10 2.55 21.28 3.27 149.29 3768.98 50837.44 01:30:19 20.83 0.15 17.80 2.88 4.74 1608.49 31070.55 Average: 23.88 1.32 19.49 3.07 75.06 2659.64 40687.74 01:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9668156 13096404 2862476 17.48 132188 3416916 3133428 17.99 676920 5641228 636 01:30:19 9405160 13210016 2745664 16.77 153164 3745132 3258420 18.70 806228 5733428 28340 Average: 9536658 13153210 2804070 17.13 142676 3581024 3195924 18.34 741574 5687328 14488 01:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 23.27 23.27 5.21 5.21 0.00 0.00 0.00 0.00 01:20:01 ens3 40.28 33.82 351.77 8.61 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:19 lo 1252.05 1252.05 1163.93 1163.93 0.00 0.00 0.00 0.00 01:30:19 ens3 35.17 25.21 256.75 6.51 0.00 0.00 0.00 0.00 01:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 654.22 654.22 600.18 600.18 0.00 0.00 0.00 0.00 Average: ens3 37.66 29.40 302.98 7.53 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-66326) 04/04/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:15 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 39.61 0.00 1.46 0.15 0.11 58.68 01:20:01 0 39.38 0.00 1.39 0.28 0.11 58.84 01:20:01 1 38.33 0.00 1.37 0.08 0.11 60.11 01:20:01 2 40.22 0.00 1.73 0.12 0.11 57.82 01:20:01 3 40.50 0.00 1.34 0.12 0.10 57.93 01:30:19 all 26.53 0.00 1.44 0.07 0.08 71.89 01:30:19 0 27.78 0.00 1.83 0.07 0.08 70.23 01:30:19 1 25.59 0.00 1.18 0.06 0.08 73.08 01:30:19 2 26.59 0.00 1.45 0.05 0.08 71.83 01:30:19 3 26.16 0.00 1.27 0.08 0.08 72.41 Average: all 32.90 0.00 1.45 0.11 0.09 65.46 Average: 0 33.42 0.00 1.62 0.17 0.09 64.69 Average: 1 31.79 0.00 1.28 0.07 0.09 66.77 Average: 2 33.23 0.00 1.59 0.08 0.10 65.01 Average: 3 33.15 0.00 1.31 0.10 0.09 65.35