---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-460830 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 13G 66G 16% / 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 671 8677 4 6640 14975 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:b7:ff:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84576sec preferred_lft 84576sec inet6 fe80::f816:3eff:feb7:ff96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:8d:66:e7:d8:83 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-460830) 03/13/26 _x86_64_ (4 CPU) 08:47:42 LINUX RESTART (4 CPU) 08:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:10 41.66 1.14 24.26 16.25 49.00 4244.60 250789.74 09:10:10 32.50 0.02 29.14 3.34 0.29 2660.97 35299.53 Average: 37.11 0.58 26.68 9.84 24.80 3457.93 143744.00 08:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:10 9296628 12833992 3123916 19.08 134692 3529068 3249976 18.65 685020 5997584 11912 09:10:10 8492656 12499132 3454648 21.10 157808 3940024 3553928 20.40 813884 6647248 40400 Average: 8894642 12666562 3289282 20.09 146250 3734546 3401952 19.53 749452 6322416 26156 08:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:10 lo 1629.35 1629.35 1547.38 1547.38 0.00 0.00 0.00 0.00 09:00:10 ens3 74.27 53.38 518.32 10.91 0.00 0.00 0.00 0.00 09:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:10 lo 1549.59 1549.59 1476.75 1476.75 0.00 0.00 0.00 0.00 09:10:10 ens3 29.46 24.51 45.63 6.92 0.00 0.00 0.00 0.00 09:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1589.73 1589.73 1512.29 1512.29 0.00 0.00 0.00 0.00 Average: ens3 52.01 39.04 283.51 8.93 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-460830) 03/13/26 _x86_64_ (4 CPU) 08:47:42 LINUX RESTART (4 CPU) 08:50:02 CPU %user %nice %system %iowait %steal %idle 09:00:10 all 70.79 0.00 2.69 0.07 0.09 26.35 09:00:10 0 70.69 0.00 2.46 0.05 0.09 26.71 09:00:10 1 70.74 0.00 2.84 0.11 0.09 26.21 09:00:10 2 72.34 0.00 2.75 0.06 0.09 24.76 09:00:10 3 69.41 0.00 2.72 0.06 0.10 27.73 09:10:10 all 64.21 0.00 2.54 0.14 0.10 33.01 09:10:10 0 62.23 0.00 2.32 0.14 0.09 35.22 09:10:10 1 65.05 0.00 2.25 0.14 0.10 32.47 09:10:10 2 64.29 0.00 2.66 0.07 0.09 32.88 09:10:10 3 65.27 0.00 2.92 0.22 0.10 31.49 Average: all 67.52 0.00 2.62 0.10 0.09 29.66 Average: 0 66.49 0.00 2.39 0.09 0.09 30.94 Average: 1 67.91 0.00 2.55 0.12 0.09 29.32 Average: 2 68.34 0.00 2.71 0.06 0.09 28.80 Average: 3 67.35 0.00 2.82 0.14 0.10 29.59