---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2604 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 764 9495 4 5729 14882 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:4f:4d:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83940sec preferred_lft 83940sec inet6 fe80::f816:3eff:fe4f:4d71/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:9d:5c:38:cb:d2 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-2604) 04/13/26 _x86_64_ (4 CPU) 20:25:02 LINUX RESTART (4 CPU) 20:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 17.31 1.92 14.31 1.07 126.69 6820.48 2014.58 20:50:01 53.24 0.32 43.25 9.66 9.88 5925.00 13964.31 21:00:06 38.71 0.29 31.37 7.05 11.63 5132.03 10771.64 Average: 36.48 0.84 29.69 5.95 49.08 5954.56 8941.25 20:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9988120 13516468 2441376 14.91 159744 3469428 2762900 15.86 625556 5343624 93452 20:50:01 9104752 13474228 2476484 15.13 198972 4205496 3075296 17.65 809064 5974340 83136 21:00:06 9869672 15370872 575580 3.52 240084 5231792 1124944 6.46 1203836 4743168 168 Average: 9654181 14120523 1831147 11.18 199600 4302239 2321047 13.32 879485 5353711 58919 20:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 20:40:01 ens3 78.98 59.29 195.49 18.73 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5133.20 5133.20 4895.37 4895.37 0.00 0.00 0.00 0.00 20:50:01 ens3 87.81 62.60 320.70 19.52 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 3319.34 3319.34 3160.48 3160.48 0.00 0.00 0.00 0.00 21:00:06 ens3 73.09 61.89 101.53 54.74 0.00 0.00 0.00 0.00 21:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2827.27 2827.27 2694.18 2694.18 0.00 0.00 0.00 0.00 Average: ens3 79.94 61.27 205.67 31.09 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-2604) 04/13/26 _x86_64_ (4 CPU) 20:25:02 LINUX RESTART (4 CPU) 20:30:06 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 70.62 0.00 2.40 0.20 0.16 26.62 20:40:01 0 70.53 0.00 2.25 0.26 0.16 26.80 20:40:01 1 70.17 0.00 2.35 0.08 0.16 27.24 20:40:01 2 73.04 0.00 2.77 0.20 0.16 23.84 20:40:01 3 68.76 0.00 2.24 0.24 0.16 28.60 20:50:01 all 61.85 0.00 4.20 0.55 0.15 33.25 20:50:01 0 62.20 0.00 3.90 0.43 0.15 33.32 20:50:01 1 60.07 0.00 3.97 0.86 0.14 34.96 20:50:01 2 63.60 0.00 5.03 0.32 0.15 30.91 20:50:01 3 61.52 0.00 3.91 0.61 0.14 33.82 21:00:06 all 57.55 0.00 3.52 0.69 0.13 38.10 21:00:06 0 56.47 0.00 3.14 0.64 0.13 39.62 21:00:06 1 56.75 0.00 3.75 1.19 0.14 38.16 21:00:06 2 59.28 0.00 3.71 0.72 0.13 36.16 21:00:06 3 57.71 0.00 3.47 0.22 0.13 38.47 Average: all 63.31 0.00 3.38 0.48 0.15 32.69 Average: 0 63.03 0.00 3.10 0.45 0.15 33.28 Average: 1 62.29 0.00 3.36 0.71 0.15 33.49 Average: 2 65.27 0.00 3.84 0.41 0.14 30.33 Average: 3 62.63 0.00 3.21 0.36 0.15 33.66