---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-428841 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: 5600.00 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 691 9571 4 5726 14955 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:78:fe:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.1/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84665sec preferred_lft 84665sec inet6 fe80::f816:3eff:fe78:fe5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:ee:51:48:87:0a 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-428841) 03/10/26 _x86_64_ (4 CPU) 14:57:23 LINUX RESTART (4 CPU) 15:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:11 34.63 3.36 27.48 3.79 171.45 4830.20 74115.50 15:20:01 18.44 0.15 15.58 2.71 4.53 1454.22 23855.02 Average: 26.60 1.77 21.58 3.25 88.69 3156.31 49195.19 15:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:11 9787224 13121420 2838292 17.34 126444 3335516 3070552 17.62 663364 5542440 18824 15:20:01 9616356 13277420 2679976 16.37 142892 3626360 2831856 16.25 771516 5584224 72388 Average: 9701790 13199420 2759134 16.85 134668 3480938 2951204 16.94 717440 5563332 45606 15:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:11 lo 20.67 20.67 4.50 4.50 0.00 0.00 0.00 0.00 15:10:11 ens3 71.45 56.10 669.36 10.01 0.00 0.00 0.00 0.00 15:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 1067.32 1067.32 986.67 986.67 0.00 0.00 0.00 0.00 15:20:01 ens3 28.16 21.41 246.55 3.69 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 539.62 539.62 491.48 491.48 0.00 0.00 0.00 0.00 Average: ens3 49.98 38.90 459.72 6.87 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-428841) 03/10/26 _x86_64_ (4 CPU) 14:57:23 LINUX RESTART (4 CPU) 15:00:11 CPU %user %nice %system %iowait %steal %idle 15:10:11 all 40.17 0.00 1.52 0.28 0.09 57.94 15:10:11 0 39.00 0.00 1.37 0.11 0.09 59.43 15:10:11 1 39.53 0.00 1.67 0.19 0.09 58.53 15:10:11 2 40.26 0.00 1.44 0.46 0.09 57.74 15:10:11 3 41.90 0.00 1.61 0.34 0.08 56.06 15:20:01 all 22.83 0.00 1.33 0.92 0.09 74.83 15:20:01 0 22.99 0.00 1.59 0.47 0.09 74.86 15:20:01 1 22.83 0.00 1.09 0.36 0.09 75.63 15:20:01 2 22.60 0.00 1.27 2.18 0.09 73.87 15:20:01 3 22.90 0.00 1.38 0.67 0.08 74.97 Average: all 31.58 0.00 1.43 0.60 0.09 66.31 Average: 0 31.08 0.00 1.48 0.29 0.09 67.07 Average: 1 31.25 0.00 1.38 0.27 0.09 67.01 Average: 2 31.51 0.00 1.35 1.31 0.09 65.73 Average: 3 32.49 0.00 1.50 0.50 0.08 65.43