---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-500227 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 67G 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 591 10382 4 5015 15055 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:4f:f9:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84666sec preferred_lft 84666sec inet6 fe80::f816:3eff:fe4f:f93c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:25:ce:e5:eb:3c 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-500227) 03/17/26 _x86_64_ (4 CPU) 09:56:13 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 22.17 0.69 7.70 13.77 428.57 1781.08 242169.11 10:20:20 9.13 0.50 8.15 0.47 18.41 1498.18 1907.73 Average: 15.54 0.60 7.93 7.01 220.13 1637.31 120070.03 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 8938092 12177116 3784416 23.11 117452 3283240 3962144 22.74 622556 6453956 820 10:20:20 8280208 12074680 3883224 23.72 135164 3788424 4345220 24.94 761904 6952204 150008 Average: 8609150 12125898 3833820 23.42 126308 3535832 4153682 23.84 692230 6703080 75414 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 0.70 0.70 0.40 0.40 0.00 0.00 0.00 0.00 10:10:00 ens3 32.04 24.94 302.99 3.80 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:20 lo 211.59 211.59 200.88 200.88 0.00 0.00 0.00 0.00 10:20:20 ens3 33.76 24.70 399.59 3.45 0.00 0.00 0.00 0.00 10:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 107.87 107.87 102.28 102.28 0.00 0.00 0.00 0.00 Average: ens3 32.91 24.82 352.08 3.62 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-500227) 03/17/26 _x86_64_ (4 CPU) 09:56:13 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 50.42 0.00 0.97 0.35 0.12 48.14 10:10:00 0 49.68 0.00 1.14 0.38 0.12 48.68 10:10:00 1 44.25 0.00 0.91 0.66 0.11 54.07 10:10:00 2 55.95 0.00 0.92 0.07 0.12 42.95 10:10:00 3 51.82 0.00 0.91 0.29 0.12 46.86 10:20:20 all 50.14 0.00 0.92 0.09 0.11 48.74 10:20:20 0 39.14 0.00 0.70 0.07 0.11 59.98 10:20:20 1 35.87 0.00 0.90 0.12 0.10 63.01 10:20:20 2 69.17 0.00 1.17 0.07 0.13 29.46 10:20:20 3 56.40 0.00 0.90 0.09 0.12 42.48 Average: all 50.28 0.00 0.95 0.22 0.12 48.45 Average: 0 44.32 0.00 0.92 0.22 0.11 54.42 Average: 1 39.99 0.00 0.91 0.38 0.11 58.62 Average: 2 62.67 0.00 1.05 0.07 0.12 36.09 Average: 3 54.15 0.00 0.91 0.19 0.12 44.63