---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27166 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 693 10569 4 4726 14953 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:d2:40:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83791sec preferred_lft 83791sec inet6 fe80::f816:3eff:fed2:40a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:f3:4d:2a:65:24 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-27166) 03/04/26 _x86_64_ (4 CPU) 10:55:40 LINUX RESTART (4 CPU) 11:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:11 2.65 0.05 2.59 0.01 1.65 40.45 0.72 11:20:11 10.92 1.92 8.49 0.51 124.09 2324.01 198.71 11:30:11 19.66 0.80 17.21 1.65 28.32 3374.01 1789.41 Average: 11.08 0.92 9.43 0.73 51.36 1912.84 662.95 11:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:11 13191272 15492212 489004 2.99 96112 2399408 981664 5.63 329212 2540968 16 11:20:11 10885908 13928372 2034048 12.42 123544 3063060 2592044 14.88 523396 4612028 27684 11:30:11 9151704 13225932 2727584 16.66 165260 3966580 3171768 18.21 762952 6008960 82624 Average: 11076295 14215505 1750212 10.69 128305 3143016 2248492 12.91 538520 4387319 36775 11:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:11 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:10:11 ens3 5.68 4.66 72.20 0.72 0.00 0.00 0.00 0.00 11:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:11 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 11:20:11 ens3 74.47 60.43 578.47 12.91 0.00 0.00 0.00 0.00 11:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:11 lo 620.84 620.84 591.09 591.09 0.00 0.00 0.00 0.00 11:30:11 ens3 84.09 63.33 366.55 17.67 0.00 0.00 0.00 0.00 11:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 207.23 207.23 197.06 197.06 0.00 0.00 0.00 0.00 Average: ens3 54.75 42.81 339.07 10.43 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-27166) 03/04/26 _x86_64_ (4 CPU) 10:55:40 LINUX RESTART (4 CPU) 11:00:11 CPU %user %nice %system %iowait %steal %idle 11:10:11 all 0.22 0.00 0.05 0.02 0.02 99.70 11:10:11 0 0.12 0.00 0.02 0.03 0.01 99.81 11:10:11 1 0.05 0.00 0.05 0.00 0.02 99.88 11:10:11 2 0.51 0.00 0.03 0.01 0.01 99.44 11:10:11 3 0.21 0.00 0.09 0.02 0.03 99.65 11:20:11 all 40.23 0.00 1.28 0.04 0.07 58.38 11:20:11 0 40.02 0.00 1.13 0.04 0.07 58.74 11:20:11 1 40.52 0.00 1.36 0.04 0.07 58.02 11:20:11 2 39.45 0.00 1.30 0.05 0.08 59.12 11:20:11 3 40.93 0.00 1.34 0.03 0.08 57.63 11:30:11 all 68.43 0.00 2.43 0.05 0.12 28.98 11:30:11 0 68.70 0.00 2.14 0.03 0.12 29.02 11:30:11 1 67.94 0.00 2.32 0.06 0.12 29.56 11:30:11 2 68.72 0.00 2.77 0.06 0.12 28.34 11:30:11 3 68.37 0.00 2.48 0.03 0.12 28.99 Average: all 36.26 0.00 1.25 0.03 0.07 62.38 Average: 0 36.26 0.00 1.09 0.03 0.07 62.55 Average: 1 36.14 0.00 1.24 0.03 0.07 62.52 Average: 2 36.17 0.00 1.36 0.04 0.07 62.36 Average: 3 36.49 0.00 1.30 0.03 0.07 62.10