---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466545 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 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 607 9263 4 6118 15039 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:f8:a5:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82850sec preferred_lft 82850sec inet6 fe80::f816:3eff:fef8:a575/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:ad:82:12:4a:f2 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-466545) 03/13/26 _x86_64_ (4 CPU) 22:47:56 LINUX RESTART (4 CPU) 22:50:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:01 1.34 0.04 1.29 0.01 1.86 16.69 0.66 23:10:01 1.03 0.00 1.02 0.00 0.04 12.58 0.00 23:20:02 1.05 0.00 1.04 0.00 0.01 12.45 0.00 23:30:01 1.05 0.00 1.05 0.00 0.00 12.68 0.00 23:40:02 13.91 0.00 1.19 12.71 0.16 13.85 242359.81 Average: 3.70 0.01 1.12 2.57 0.40 13.62 48989.91 22:50:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 13796852 15538044 481176 2.94 54244 1913896 1132816 6.50 193496 2139232 272 23:10:01 13795592 15537248 481824 2.94 54552 1914036 1132816 6.50 193812 2141376 176 23:20:02 13795088 15537128 481960 2.94 54924 1914040 1132816 6.50 194184 2141992 176 23:30:01 13794588 15536980 482048 2.94 55268 1914052 1132816 6.50 194536 2142296 184 23:40:02 13786036 15533820 485208 2.96 55904 1918804 1132944 6.50 199968 2149436 188 Average: 13793631 15536644 482443 2.95 54978 1914966 1132842 6.50 195199 2142866 199 22:50:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:01 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 23:00:01 ens3 0.52 0.11 0.10 0.04 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 23:10:01 ens3 0.49 0.14 0.10 0.05 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:20:02 ens3 0.32 0.07 0.05 0.02 0.00 0.00 0.00 0.00 23:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 23:30:01 ens3 0.40 0.09 0.07 0.02 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 23:40:02 ens3 0.62 0.60 0.09 0.53 0.00 0.00 0.00 0.00 23:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.47 0.20 0.08 0.13 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-466545) 03/13/26 _x86_64_ (4 CPU) 22:47:56 LINUX RESTART (4 CPU) 22:50:28 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 0.07 0.00 0.03 0.02 0.02 99.86 23:00:01 0 0.08 0.00 0.03 0.01 0.03 99.86 23:00:01 1 0.04 0.00 0.03 0.00 0.02 99.90 23:00:01 2 0.04 0.00 0.04 0.01 0.02 99.90 23:00:01 3 0.12 0.00 0.02 0.05 0.02 99.79 23:10:01 all 0.16 0.00 0.03 0.01 0.02 99.78 23:10:01 0 0.25 0.00 0.03 0.00 0.02 99.70 23:10:01 1 0.03 0.00 0.03 0.01 0.01 99.91 23:10:01 2 0.32 0.00 0.05 0.03 0.03 99.58 23:10:01 3 0.02 0.00 0.03 0.00 0.02 99.92 23:20:02 all 0.11 0.00 0.03 0.01 0.02 99.83 23:20:02 0 0.02 0.00 0.04 0.00 0.01 99.92 23:20:02 1 0.01 0.00 0.02 0.00 0.02 99.95 23:20:02 2 0.38 0.00 0.04 0.00 0.02 99.56 23:20:02 3 0.03 0.00 0.03 0.04 0.03 99.88 23:30:01 all 0.05 0.00 0.03 0.01 0.02 99.90 23:30:01 0 0.08 0.00 0.03 0.00 0.02 99.88 23:30:01 1 0.06 0.00 0.03 0.00 0.02 99.89 23:30:01 2 0.04 0.00 0.03 0.00 0.02 99.91 23:30:01 3 0.02 0.00 0.02 0.02 0.02 99.92 23:40:02 all 0.09 0.00 0.03 0.03 0.02 99.82 23:40:02 0 0.11 0.00 0.04 0.00 0.03 99.81 23:40:02 1 0.11 0.00 0.04 0.09 0.02 99.73 23:40:02 2 0.02 0.00 0.03 0.00 0.02 99.93 23:40:02 3 0.10 0.00 0.02 0.03 0.02 99.83 Average: all 0.09 0.00 0.03 0.02 0.02 99.84 Average: 0 0.11 0.00 0.03 0.00 0.02 99.83 Average: 1 0.05 0.00 0.03 0.02 0.02 99.88 Average: 2 0.16 0.00 0.04 0.01 0.02 99.77 Average: 3 0.06 0.00 0.03 0.03 0.02 99.87