---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5484 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 693 9652 4 5643 14953 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:5a:73:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84504sec preferred_lft 84504sec inet6 fe80::f816:3eff:fe5a:7397/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:df:3e:45:51:6b 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-5484) 03/18/26 _x86_64_ (4 CPU) 12:38:35 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:03 29.84 3.58 24.41 1.85 185.19 5897.58 6887.19 13:00:01 32.52 0.05 28.92 3.56 1.34 3254.98 17268.40 13:10:01 24.06 0.32 20.19 3.55 14.48 5812.90 8139.22 Average: 28.81 1.32 24.50 2.98 67.21 4991.45 10753.29 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:03 9463472 13109324 2846300 17.38 154352 3587484 2995084 17.19 701436 5772492 12712 13:00:01 8590172 12805280 3146172 19.22 184104 4080140 3328376 19.10 860292 6442420 16108 13:10:01 9891596 15313920 631336 3.86 207288 5196520 1161964 6.67 944120 5002084 13280 Average: 9315080 13742841 2207936 13.49 181915 4288048 2495141 14.32 835283 5738999 14033 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:03 lo 597.74 597.74 569.36 569.36 0.00 0.00 0.00 0.00 12:50:03 ens3 109.15 83.11 978.90 19.53 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1617.13 1617.13 1541.05 1541.05 0.00 0.00 0.00 0.00 13:00:01 ens3 47.57 35.71 139.67 12.10 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 11.83 11.83 2.77 2.77 0.00 0.00 0.00 0.00 13:10:01 ens3 80.47 76.08 122.60 229.34 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 741.09 741.09 703.30 703.30 0.00 0.00 0.00 0.00 Average: ens3 79.13 65.02 414.67 87.00 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-5484) 03/18/26 _x86_64_ (4 CPU) 12:38:35 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:03 all 54.27 0.00 2.00 0.11 0.11 43.51 12:50:03 0 55.36 0.00 1.83 0.07 0.11 42.63 12:50:03 1 51.85 0.00 2.03 0.10 0.11 45.90 12:50:03 2 55.39 0.00 2.15 0.24 0.11 42.11 12:50:03 3 54.47 0.00 1.96 0.04 0.11 43.41 13:00:01 all 58.46 0.00 2.45 0.05 0.11 38.93 13:00:01 0 58.38 0.00 2.39 0.04 0.11 39.07 13:00:01 1 56.70 0.00 2.54 0.05 0.11 40.60 13:00:01 2 60.82 0.00 2.50 0.09 0.11 36.48 13:00:01 3 57.93 0.00 2.38 0.02 0.11 39.56 13:10:01 all 43.99 0.00 1.55 0.09 0.08 54.28 13:10:01 0 42.93 0.00 1.49 0.04 0.09 55.46 13:10:01 1 41.02 0.00 1.44 0.10 0.08 57.36 13:10:01 2 44.66 0.00 1.41 0.17 0.09 53.67 13:10:01 3 47.38 0.00 1.88 0.04 0.08 50.62 Average: all 52.22 0.00 2.00 0.08 0.10 45.59 Average: 0 52.21 0.00 1.90 0.05 0.10 45.73 Average: 1 49.83 0.00 2.00 0.08 0.10 47.98 Average: 2 53.61 0.00 2.02 0.17 0.10 44.10 Average: 3 53.25 0.00 2.08 0.03 0.10 44.54