---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38708 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: 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 9.8G 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 645 11180 4 4162 15001 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:df:37:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84378sec preferred_lft 84378sec inet6 fe80::f816:3eff:fedf:37d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:00:99:13:f3:b0 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-38708) 07/25/26 _x86_64_ (4 CPU) 19:47:31 LINUX RESTART (4 CPU) 19:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:03 10.30 0.93 9.06 0.32 38.15 1660.73 1099.58 20:10:03 11.44 1.92 9.05 0.47 124.07 2261.80 1233.47 20:20:03 9.77 0.48 8.29 1.00 18.51 1813.35 2788.98 Average: 10.51 1.11 8.80 0.60 60.20 1911.47 1706.17 19:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:03 13026296 15506792 467840 2.86 98268 2571432 990252 5.68 338380 2688368 296 20:10:03 10813032 14026872 1934104 11.81 125404 3222816 2253004 12.93 530308 4655712 32368 20:20:03 9175524 12965148 2990428 18.26 152680 3714052 3174724 18.22 681576 6079064 72208 Average: 11004951 14166271 1797457 10.98 125451 3169433 2139327 12.28 516755 4474381 34957 19:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:03 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 20:00:03 ens3 14.94 11.86 167.59 2.57 0.00 0.00 0.00 0.00 20:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:03 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 20:10:03 ens3 65.31 56.28 613.81 11.64 0.00 0.00 0.00 0.00 20:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:03 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 20:20:03 ens3 57.27 45.13 102.96 15.16 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.76 0.76 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 45.78 37.71 294.53 9.78 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-38708) 07/25/26 _x86_64_ (4 CPU) 19:47:31 LINUX RESTART (4 CPU) 19:50:00 CPU %user %nice %system %iowait %steal %idle 20:00:03 all 1.10 0.00 0.17 0.97 0.01 97.75 20:00:03 0 0.19 0.00 0.11 1.70 0.01 97.99 20:00:03 1 0.38 0.00 0.13 0.75 0.01 98.72 20:00:03 2 0.75 0.00 0.18 0.96 0.01 98.10 20:00:03 3 3.08 0.00 0.27 0.46 0.02 96.17 20:10:03 all 38.81 0.00 1.20 0.65 0.09 59.24 20:10:03 0 37.86 0.00 1.21 1.52 0.09 59.31 20:10:03 1 38.11 0.00 1.14 0.34 0.09 60.33 20:10:03 2 40.05 0.00 1.17 0.35 0.10 58.33 20:10:03 3 39.22 0.00 1.29 0.39 0.09 59.01 20:20:03 all 66.13 0.00 2.08 0.52 0.15 31.12 20:20:03 0 66.19 0.00 2.12 0.70 0.15 30.83 20:20:03 1 66.00 0.00 2.45 0.70 0.15 30.70 20:20:03 2 65.42 0.00 1.85 0.45 0.15 32.12 20:20:03 3 66.93 0.00 1.89 0.21 0.15 30.82 Average: all 35.25 0.00 1.15 0.71 0.09 62.80 Average: 0 34.66 0.00 1.15 1.31 0.08 62.80 Average: 1 34.73 0.00 1.24 0.60 0.09 63.35 Average: 2 35.31 0.00 1.07 0.59 0.09 62.95 Average: 3 36.32 0.00 1.15 0.36 0.09 62.09