---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65805 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 11G 68G 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 690 10517 4 4780 14956 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:02:a0:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84118sec preferred_lft 84118sec inet6 fe80::f816:3eff:fe02:a076/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:bd:d8:a3:f1:f4 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-65805) 04/01/26 _x86_64_ (4 CPU) 15:42:07 LINUX RESTART (4 CPU) 15:50:51 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:01 12.22 2.10 9.53 0.59 136.51 2594.88 28.93 16:10:12 22.38 0.79 19.46 2.13 27.05 3341.41 5494.34 16:20:00 31.60 0.44 14.01 17.16 16.79 2043.96 247944.52 Average: 22.29 1.08 14.50 6.70 58.02 2670.34 85306.71 15:50:51 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:01 10888568 14013496 1948352 11.90 127268 3136864 2280908 13.09 534928 4575000 24632 16:10:12 9281696 13353456 2599632 15.88 172720 3954376 2811740 16.14 779288 5856940 13652 16:20:00 10769092 15310324 640824 3.91 181060 4392168 1197068 6.87 935608 4176280 12996 Average: 10313119 14225759 1729603 10.56 160349 3827803 2096572 12.03 749941 4869407 17093 15:50:51 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:01 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 16:00:01 ens3 80.55 67.43 630.66 16.43 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:12 lo 1019.10 1019.10 971.33 971.33 0.00 0.00 0.00 0.00 16:10:12 ens3 74.15 56.06 362.79 16.74 0.00 0.00 0.00 0.00 16:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:00 lo 692.95 692.95 648.82 648.82 0.00 0.00 0.00 0.00 16:20:00 ens3 83.94 85.36 136.96 197.35 0.00 0.00 0.00 0.00 16:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 589.21 589.21 557.44 557.44 0.00 0.00 0.00 0.00 Average: ens3 79.46 69.49 371.09 77.38 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-65805) 04/01/26 _x86_64_ (4 CPU) 15:42:07 LINUX RESTART (4 CPU) 15:50:51 CPU %user %nice %system %iowait %steal %idle 16:00:01 all 46.95 0.00 1.59 0.48 0.12 50.86 16:00:01 0 46.85 0.00 1.56 0.44 0.15 51.00 16:00:01 1 47.67 0.00 1.67 0.42 0.12 50.12 16:00:01 2 47.12 0.00 1.47 0.49 0.11 50.82 16:00:01 3 46.16 0.00 1.66 0.58 0.10 51.49 16:10:12 all 67.46 0.00 2.67 1.25 0.17 28.45 16:10:12 0 68.32 0.00 2.40 0.72 0.16 28.40 16:10:12 1 71.41 0.00 3.11 1.35 0.20 23.92 16:10:12 2 65.61 0.00 2.84 1.91 0.16 29.48 16:10:12 3 64.47 0.00 2.31 1.03 0.17 32.02 16:20:00 all 26.81 0.00 1.29 0.89 0.08 70.93 16:20:00 0 27.50 0.00 1.20 0.53 0.09 70.68 16:20:00 1 25.22 0.00 1.22 0.33 0.07 73.15 16:20:00 2 28.89 0.00 1.63 1.64 0.08 67.76 16:20:00 3 25.64 0.00 1.11 1.07 0.06 72.11 Average: all 47.27 0.00 1.86 0.89 0.12 49.85 Average: 0 47.78 0.00 1.73 0.57 0.13 49.79 Average: 1 48.33 0.00 2.02 0.72 0.13 48.80 Average: 2 47.39 0.00 2.00 1.37 0.12 49.13 Average: 3 45.58 0.00 1.70 0.90 0.11 51.70