---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-119178 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 11G 67G 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 611 10334 4 5042 15035 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:6e:72:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84274sec preferred_lft 84274sec inet6 fe80::f816:3eff:fe6e:7238/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:5c:98:d8:05:6e 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-119178) 03/06/26 _x86_64_ (4 CPU) 11:19:14 LINUX RESTART (4 CPU) 11:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:02 61.46 5.04 39.39 17.02 667.57 6104.45 243589.53 11:40:02 28.10 0.02 25.14 2.94 0.23 2419.60 16411.34 11:50:45 8.74 0.03 7.98 0.73 0.64 3085.77 33850.26 Average: 32.22 1.66 23.80 6.76 217.77 3852.22 96497.28 11:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:02 9692096 13292216 2666572 16.29 135380 3595656 3009108 17.27 810544 5489548 30000 11:40:02 8706588 12731276 3223932 19.69 155540 3965600 3190824 18.32 930332 6324720 30512 11:50:45 5403880 10242784 5709604 34.87 159760 4747936 5337544 30.64 1161260 9334756 16 Average: 7934188 12088759 3866703 23.62 150227 4103064 3845825 22.07 967379 7049675 20176 11:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:02 lo 1486.20 1486.20 1410.13 1410.13 0.00 0.00 0.00 0.00 11:30:02 ens3 125.09 96.69 1182.97 16.16 0.00 0.00 0.00 0.00 11:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:02 lo 1392.05 1392.05 1326.33 1326.33 0.00 0.00 0.00 0.00 11:40:02 ens3 28.74 23.78 41.29 6.58 0.00 0.00 0.00 0.00 11:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:45 lo 889.38 889.38 7137.86 7137.86 0.00 0.00 0.00 0.00 11:50:45 ens3 8.13 6.63 6.78 2.35 0.00 0.00 0.00 0.00 11:50:45 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1247.49 1247.49 3379.56 3379.56 0.00 0.00 0.00 0.00 Average: ens3 52.94 41.56 401.18 8.23 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-119178) 03/06/26 _x86_64_ (4 CPU) 11:19:14 LINUX RESTART (4 CPU) 11:20:02 CPU %user %nice %system %iowait %steal %idle 11:30:02 all 65.56 0.00 2.66 0.44 0.10 31.24 11:30:02 0 63.29 0.00 2.71 0.15 0.09 33.75 11:30:02 1 66.85 0.00 2.44 0.17 0.10 30.44 11:30:02 2 67.08 0.00 2.76 0.75 0.10 29.31 11:30:02 3 65.03 0.00 2.72 0.71 0.10 31.45 11:40:02 all 66.05 0.00 2.38 0.06 0.09 31.41 11:40:02 0 64.20 0.00 2.04 0.11 0.09 33.56 11:40:02 1 66.16 0.00 2.45 0.05 0.09 31.26 11:40:02 2 67.17 0.00 2.65 0.06 0.09 30.02 11:40:02 3 66.67 0.00 2.40 0.04 0.09 30.80 11:50:45 all 31.71 0.00 0.97 0.07 0.07 67.18 11:50:45 0 31.35 0.00 0.93 0.09 0.06 67.57 11:50:45 1 36.80 0.00 0.78 0.02 0.07 62.33 11:50:45 2 24.99 0.00 1.26 0.05 0.08 73.63 11:50:45 3 33.73 0.00 0.92 0.12 0.07 65.16 Average: all 53.90 0.00 1.98 0.19 0.09 43.84 Average: 0 52.42 0.00 1.87 0.11 0.08 45.51 Average: 1 56.14 0.00 1.86 0.08 0.09 41.83 Average: 2 52.41 0.00 2.20 0.28 0.09 45.02 Average: 3 54.63 0.00 1.99 0.29 0.08 43.01