---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-470611 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 669 9520 4 5798 14977 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:df:01:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84788sec preferred_lft 84788sec inet6 fe80::f816:3eff:fedf:147/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:1c:bf:a1:78:4a 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-470611) 03/14/26 _x86_64_ (4 CPU) 09:39:38 LINUX RESTART (4 CPU) 09:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:02 69.73 10.59 55.21 3.94 1393.38 9826.03 46061.02 10:00:10 18.87 0.15 15.96 2.75 4.42 1479.33 25981.44 Average: 44.18 5.34 35.49 3.34 695.50 5632.23 35972.04 09:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:02 9713332 13118600 2840440 17.35 125732 3407724 3276844 18.81 662236 5620392 31832 10:00:10 9427180 13138980 2816892 17.20 144816 3672668 2940640 16.88 775156 5736528 15232 Average: 9570256 13128790 2828666 17.28 135274 3540196 3108742 17.84 718696 5678460 23532 09:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:02 lo 16.82 16.82 3.62 3.62 0.00 0.00 0.00 0.00 09:50:02 ens3 116.86 87.29 1022.52 17.14 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:10 lo 1030.18 1030.18 949.20 949.20 0.00 0.00 0.00 0.00 10:00:10 ens3 30.10 20.93 243.75 3.66 0.00 0.00 0.00 0.00 10:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 525.98 525.98 478.73 478.73 0.00 0.00 0.00 0.00 Average: ens3 73.26 53.94 631.23 10.37 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-470611) 03/14/26 _x86_64_ (4 CPU) 09:39:38 LINUX RESTART (4 CPU) 09:40:00 CPU %user %nice %system %iowait %steal %idle 09:50:02 all 38.24 0.00 1.71 0.53 0.08 59.43 09:50:02 0 39.27 0.00 2.03 0.47 0.08 58.15 09:50:02 1 42.10 0.00 1.84 0.24 0.08 55.74 09:50:02 2 35.91 0.00 1.44 0.30 0.08 62.27 09:50:02 3 35.67 0.00 1.54 1.12 0.08 61.58 10:00:10 all 24.80 0.00 1.36 0.07 0.09 73.68 10:00:10 0 24.69 0.00 1.28 0.09 0.09 73.85 10:00:10 1 24.68 0.00 1.47 0.04 0.09 73.72 10:00:10 2 25.95 0.00 1.44 0.03 0.09 72.48 10:00:10 3 23.88 0.00 1.23 0.12 0.10 74.67 Average: all 31.49 0.00 1.53 0.30 0.09 66.60 Average: 0 31.94 0.00 1.65 0.28 0.08 66.04 Average: 1 33.35 0.00 1.65 0.14 0.09 64.77 Average: 2 30.90 0.00 1.44 0.17 0.08 67.41 Average: 3 29.75 0.00 1.39 0.62 0.09 68.16