---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4637 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 713 9674 4 5601 14933 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:47:36:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84690sec preferred_lft 84690sec inet6 fe80::f816:3eff:fe47:36eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:23:29:0c:6b:de 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-4637) 04/19/26 _x86_64_ (4 CPU) 15:45:20 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:03 31.21 0.20 27.79 3.22 8.34 3780.50 20608.47 16:10:03 27.17 0.06 24.35 2.77 1.73 6027.50 7968.56 Average: 29.19 0.13 26.07 2.99 5.04 4901.54 14302.34 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:03 9566540 13307136 2648472 16.18 159648 3668280 2850848 16.36 730292 5643456 15548 16:10:03 7900924 12885352 3064384 18.72 188608 4819108 3255988 18.69 903432 7077036 57364 Average: 8733732 13096244 2856428 17.45 174128 4243694 3053418 17.53 816862 6360246 36456 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:03 lo 1517.77 1517.77 1447.27 1447.27 0.00 0.00 0.00 0.00 16:00:03 ens3 54.31 40.72 98.20 13.47 0.00 0.00 0.00 0.00 16:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:03 lo 593.98 593.98 565.21 565.21 0.00 0.00 0.00 0.00 16:10:03 ens3 61.27 50.03 234.60 13.84 0.00 0.00 0.00 0.00 16:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1056.88 1056.88 1007.20 1007.20 0.00 0.00 0.00 0.00 Average: ens3 57.78 45.37 166.25 13.65 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-4637) 04/19/26 _x86_64_ (4 CPU) 15:45:20 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:03 all 64.73 0.00 2.45 0.06 0.08 32.68 16:00:03 0 65.02 0.00 2.10 0.08 0.08 32.71 16:00:03 1 66.06 0.00 2.39 0.03 0.08 31.44 16:00:03 2 64.99 0.00 2.68 0.05 0.08 32.20 16:00:03 3 62.84 0.00 2.62 0.07 0.08 34.39 16:10:03 all 60.13 0.00 2.17 0.06 0.08 37.56 16:10:03 0 60.02 0.00 2.40 0.08 0.08 37.42 16:10:03 1 58.92 0.00 1.90 0.05 0.08 39.05 16:10:03 2 59.37 0.00 2.26 0.02 0.08 38.27 16:10:03 3 62.23 0.00 2.12 0.09 0.08 35.50 Average: all 62.43 0.00 2.31 0.06 0.08 35.12 Average: 0 62.52 0.00 2.25 0.08 0.08 35.07 Average: 1 62.50 0.00 2.15 0.04 0.08 35.24 Average: 2 62.18 0.00 2.47 0.04 0.08 35.23 Average: 3 62.53 0.00 2.37 0.08 0.08 34.94