---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-443193 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 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 664 8886 4 6438 14982 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:5e:d4:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84590sec preferred_lft 84590sec inet6 fe80::f816:3eff:fe5e:d446/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:b4:3b:0a:53:a4 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-443193) 03/11/26 _x86_64_ (4 CPU) 13:28:43 LINUX RESTART (4 CPU) 13:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:18 42.71 3.81 35.74 3.16 188.44 5180.53 6165.57 13:50:01 31.57 0.01 28.43 3.13 0.21 2460.32 8642.31 Average: 37.21 1.94 32.13 3.14 95.48 3837.08 7388.77 13:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:18 9911536 13309692 2649844 16.18 132140 3397364 2938476 16.87 664980 5409720 32472 13:50:01 7979612 11993864 3961380 24.19 161244 3942360 3881608 22.28 819516 7149492 237908 Average: 8945574 12651778 3305612 20.19 146692 3669862 3410042 19.57 742248 6279606 135190 13:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:18 lo 1554.84 1554.84 1476.25 1476.25 0.00 0.00 0.00 0.00 13:40:18 ens3 105.19 83.00 977.70 15.72 0.00 0.00 0.00 0.00 13:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 1396.16 1396.16 1330.28 1330.28 0.00 0.00 0.00 0.00 13:50:01 ens3 22.76 20.10 20.90 6.69 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1476.47 1476.47 1404.16 1404.16 0.00 0.00 0.00 0.00 Average: ens3 64.48 51.94 505.16 11.26 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-443193) 03/11/26 _x86_64_ (4 CPU) 13:28:43 LINUX RESTART (4 CPU) 13:30:20 CPU %user %nice %system %iowait %steal %idle 13:40:18 all 70.01 0.00 2.65 0.25 0.09 27.00 13:40:18 0 69.08 0.00 2.51 0.42 0.09 27.90 13:40:18 1 68.43 0.00 2.64 0.19 0.10 28.64 13:40:18 2 69.75 0.00 3.00 0.13 0.09 27.03 13:40:18 3 72.77 0.00 2.46 0.25 0.09 24.43 13:50:01 all 64.83 0.00 2.45 0.17 0.10 32.45 13:50:01 0 63.98 0.00 2.41 0.10 0.10 33.41 13:50:01 1 65.54 0.00 2.37 0.17 0.11 31.81 13:50:01 2 65.63 0.00 2.69 0.16 0.10 31.41 13:50:01 3 64.16 0.00 2.32 0.24 0.10 33.18 Average: all 67.45 0.00 2.55 0.21 0.10 29.69 Average: 0 66.56 0.00 2.46 0.26 0.10 30.62 Average: 1 67.01 0.00 2.50 0.18 0.10 30.21 Average: 2 67.72 0.00 2.85 0.15 0.10 29.19 Average: 3 68.52 0.00 2.39 0.24 0.10 28.75