---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9923 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 710 10548 4 4730 14936 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:8e:be:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84505sec preferred_lft 84505sec inet6 fe80::f816:3eff:fe8e:bed2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:cf:46:38:3d:25 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9923) 04/30/26 _x86_64_ (4 CPU) 11:49:55 LINUX RESTART (4 CPU) 11:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:09 56.32 10.99 44.20 1.13 1506.10 14735.87 3551.92 12:10:00 12.63 0.80 10.74 1.09 28.97 2313.86 2728.88 12:20:09 24.45 0.39 19.86 4.20 13.40 3310.29 12847.81 Average: 31.31 4.09 25.07 2.15 520.67 6828.43 6412.68 11:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:09 9939560 13062884 2899112 17.71 124196 3139216 3208024 18.41 526488 5534648 40316 12:10:00 8923332 13013764 2940316 17.96 158320 3993528 3016504 17.31 716324 6260928 325404 12:20:09 10861664 15346092 604972 3.69 172152 4351212 1097864 6.30 894228 4111324 196 Average: 9908185 13807580 2148133 13.12 151556 3827985 2440797 14.01 712347 5302300 121972 11:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:09 lo 0.96 0.96 0.10 0.10 0.00 0.00 0.00 0.00 12:00:09 ens3 131.80 98.60 1014.34 21.99 0.00 0.00 0.00 0.00 12:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 476.35 476.35 453.93 453.93 0.00 0.00 0.00 0.00 12:10:00 ens3 66.45 52.60 327.25 15.53 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:09 lo 1757.62 1757.62 1664.11 1664.11 0.00 0.00 0.00 0.00 12:20:09 ens3 83.64 81.86 130.84 153.65 0.00 0.00 0.00 0.00 12:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.80 747.80 708.70 708.70 0.00 0.00 0.00 0.00 Average: ens3 94.22 77.93 492.28 64.20 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9923) 04/30/26 _x86_64_ (4 CPU) 11:49:55 LINUX RESTART (4 CPU) 11:50:00 CPU %user %nice %system %iowait %steal %idle 12:00:09 all 38.58 0.00 1.61 0.46 0.08 59.28 12:00:09 0 41.58 0.00 1.88 0.24 0.08 56.22 12:00:09 1 38.38 0.00 1.48 0.65 0.08 59.41 12:00:09 2 37.49 0.00 1.55 0.82 0.07 60.06 12:00:09 3 36.84 0.00 1.51 0.13 0.08 61.45 12:10:00 all 65.32 0.00 2.28 2.29 0.14 29.97 12:10:00 0 67.36 0.00 2.34 3.79 0.13 26.39 12:10:00 1 67.31 0.00 2.34 0.55 0.17 29.63 12:10:00 2 63.43 0.00 2.24 3.02 0.12 31.19 12:10:00 3 63.18 0.00 2.21 1.82 0.12 32.67 12:20:09 all 36.12 0.00 1.89 4.71 0.09 57.20 12:20:09 0 35.85 0.00 2.03 4.07 0.08 57.96 12:20:09 1 38.02 0.00 1.99 1.98 0.09 57.91 12:20:09 2 35.10 0.00 1.81 9.06 0.09 53.94 12:20:09 3 35.49 0.00 1.71 3.75 0.08 58.97 Average: all 46.47 0.00 1.92 2.49 0.10 49.02 Average: 0 48.06 0.00 2.08 2.68 0.10 47.07 Average: 1 47.69 0.00 1.93 1.06 0.11 49.20 Average: 2 45.13 0.00 1.86 4.31 0.10 48.60 Average: 3 45.01 0.00 1.80 1.90 0.09 51.20