---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6435 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 66G 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 666 9222 4 6100 14979 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:7f:ad:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84706sec preferred_lft 84706sec inet6 fe80::f816:3eff:fe7f:ad6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:f5:e4:58:6c:71 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-6435) 03/20/26 _x86_64_ (4 CPU) 14:48:47 LINUX RESTART (4 CPU) 14:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:04 53.72 3.96 32.37 17.39 786.63 5645.09 288559.80 15:10:04 19.65 0.15 16.84 2.66 4.45 1653.69 22094.85 Average: 36.68 2.06 24.60 10.02 395.54 3649.39 155327.33 14:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:04 9415188 13161072 2796860 17.08 130520 3736036 3089640 17.73 870244 5692676 30944 15:10:04 9039892 13059648 2895632 17.69 147420 3973724 3168656 18.19 975644 5936356 13068 Average: 9227540 13110360 2846246 17.38 138970 3854880 3129148 17.96 922944 5814516 22006 14:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:04 lo 18.99 18.99 4.09 4.09 0.00 0.00 0.00 0.00 15:00:04 ens3 85.19 65.00 884.99 10.67 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:04 lo 1167.68 1167.68 1081.61 1081.61 0.00 0.00 0.00 0.00 15:10:04 ens3 27.28 20.31 245.18 3.34 0.00 0.00 0.00 0.00 15:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 593.34 593.34 542.85 542.85 0.00 0.00 0.00 0.00 Average: ens3 56.24 42.66 565.08 7.00 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-6435) 03/20/26 _x86_64_ (4 CPU) 14:48:47 LINUX RESTART (4 CPU) 14:50:04 CPU %user %nice %system %iowait %steal %idle 15:00:04 all 39.72 0.00 1.63 0.52 0.09 58.04 15:00:04 0 37.11 0.00 1.46 0.36 0.09 60.99 15:00:04 1 41.92 0.00 2.21 0.90 0.08 54.89 15:00:04 2 39.22 0.00 1.40 0.60 0.09 58.69 15:00:04 3 40.64 0.00 1.47 0.20 0.09 57.59 15:10:04 all 24.32 0.00 1.42 0.12 0.08 74.05 15:10:04 0 23.49 0.00 1.56 0.08 0.08 74.79 15:10:04 1 24.23 0.00 1.14 0.09 0.09 74.45 15:10:04 2 24.83 0.00 1.47 0.25 0.08 73.36 15:10:04 3 24.74 0.00 1.49 0.08 0.09 73.60 Average: all 32.03 0.00 1.52 0.32 0.09 66.04 Average: 0 30.31 0.00 1.51 0.22 0.08 67.88 Average: 1 33.07 0.00 1.67 0.50 0.08 64.67 Average: 2 32.03 0.00 1.43 0.43 0.09 66.02 Average: 3 32.70 0.00 1.48 0.14 0.09 65.59