---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46502 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 9.9G 68G 13% / 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 663 11062 4 4263 14983 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:9c:cc:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84241sec preferred_lft 84241sec inet6 fe80::f816:3eff:fe9c:ccda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:a8:ad:79:ad:d0 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-46502) 03/25/26 _x86_64_ (4 CPU) 11:04:27 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:07 22.88 2.52 7.28 13.08 139.47 1390.54 238727.80 11:30:07 43.94 0.01 36.27 7.66 0.60 3446.05 6857.45 11:40:07 28.74 0.33 23.58 4.83 14.57 2915.92 2511.01 Average: 31.82 0.96 22.32 8.54 51.87 2579.77 83273.94 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:07 11598228 14429308 1535048 9.38 116572 2891316 1882048 10.80 414268 4001348 145420 11:30:07 10277284 13778048 2179768 13.31 170224 3433968 2486812 14.27 618908 5069396 129116 11:40:07 11386920 15395164 558792 3.41 201808 3869936 1076164 6.18 802712 3733992 12984 Average: 11087477 14534173 1424536 8.70 162868 3398407 1815008 10.42 611963 4268245 95840 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:07 lo 98.69 98.69 93.97 93.97 0.00 0.00 0.00 0.00 11:20:07 ens3 72.50 55.73 766.78 9.75 0.00 0.00 0.00 0.00 11:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:07 lo 4546.56 4546.56 4336.23 4336.23 0.00 0.00 0.00 0.00 11:30:07 ens3 86.35 65.04 26.93 24.83 0.00 0.00 0.00 0.00 11:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:07 lo 1788.53 1788.53 1687.79 1687.79 0.00 0.00 0.00 0.00 11:40:07 ens3 127.14 120.82 129.17 183.04 0.00 0.00 0.00 0.00 11:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2137.05 2137.05 2032.16 2032.16 0.00 0.00 0.00 0.00 Average: ens3 95.24 80.44 309.32 72.31 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-46502) 03/25/26 _x86_64_ (4 CPU) 11:04:27 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:07 all 8.36 0.00 0.48 0.20 0.03 90.93 11:20:07 0 8.83 0.00 0.38 0.07 0.03 90.69 11:20:07 1 8.03 0.00 0.43 0.10 0.03 91.41 11:20:07 2 8.67 0.00 0.57 0.07 0.04 90.65 11:20:07 3 7.93 0.00 0.53 0.54 0.03 90.97 11:30:07 all 64.44 0.00 3.93 1.69 0.15 29.78 11:30:07 0 64.59 0.00 3.68 0.94 0.16 30.64 11:30:07 1 64.74 0.00 4.31 3.34 0.15 27.46 11:30:07 2 63.94 0.00 3.75 1.16 0.15 31.00 11:30:07 3 64.50 0.00 4.00 1.33 0.15 30.02 11:40:07 all 38.05 0.00 2.16 0.18 0.09 59.51 11:40:07 0 34.05 0.00 1.92 0.05 0.09 63.88 11:40:07 1 38.82 0.00 2.32 0.43 0.10 58.33 11:40:07 2 43.62 0.00 2.31 0.11 0.10 53.86 11:40:07 3 35.68 0.00 2.10 0.14 0.09 61.98 Average: all 36.79 0.00 2.18 0.69 0.09 60.25 Average: 0 35.66 0.00 1.98 0.35 0.09 61.91 Average: 1 37.04 0.00 2.34 1.28 0.09 59.24 Average: 2 38.60 0.00 2.20 0.45 0.10 58.66 Average: 3 35.86 0.00 2.20 0.67 0.09 61.19