---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-933 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 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 693 10469 4 4826 14953 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:37:e0:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84202sec preferred_lft 84202sec inet6 fe80::f816:3eff:fe37:e0f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:ce:83:c2:7b:c9 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-933) 07/31/26 _x86_64_ (4 CPU) 17:56:44 LINUX RESTART (4 CPU) 18:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:27 4.61 1.67 2.89 0.05 111.42 666.99 1.55 18:20:35 12.59 0.61 10.85 1.13 24.23 2738.62 2649.79 18:30:00 46.25 0.68 25.76 19.82 26.88 4317.28 255056.02 Average: 20.39 1.00 12.76 6.62 55.38 2514.13 81009.05 18:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:27 11891532 14762752 1202208 7.34 113284 2925924 1645200 9.44 436416 3694956 180052 18:20:35 10234676 13794760 2162908 13.21 144280 3514604 2410856 13.84 630560 5102172 43052 18:30:00 10787852 15369884 580836 3.55 172092 4440340 1107736 6.36 902580 4173484 44 Average: 10971353 14642465 1315317 8.03 143219 3626956 1721264 9.88 656519 4323537 74383 18:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:27 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 18:10:27 ens3 60.66 50.39 702.94 6.61 0.00 0.00 0.00 0.00 18:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:35 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 18:20:35 ens3 75.92 55.14 96.84 17.23 0.00 0.00 0.00 0.00 18:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:00 lo 1766.13 1766.13 1677.63 1677.63 0.00 0.00 0.00 0.00 18:30:00 ens3 101.91 83.44 436.55 83.91 0.00 0.00 0.00 0.00 18:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 555.27 555.27 526.99 526.99 0.00 0.00 0.00 0.00 Average: ens3 78.78 62.38 414.29 34.48 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-933) 07/31/26 _x86_64_ (4 CPU) 17:56:44 LINUX RESTART (4 CPU) 18:00:01 CPU %user %nice %system %iowait %steal %idle 18:10:27 all 4.92 0.00 0.28 0.05 0.02 94.74 18:10:27 0 5.01 0.00 0.25 0.03 0.02 94.69 18:10:27 1 4.93 0.00 0.26 0.08 0.02 94.71 18:10:27 2 4.42 0.00 0.31 0.02 0.02 95.23 18:10:27 3 5.30 0.00 0.28 0.06 0.02 94.33 18:20:35 all 73.06 0.00 2.22 0.02 0.13 24.57 18:20:35 0 71.09 0.00 1.85 0.03 0.13 26.90 18:20:35 1 71.38 0.00 2.21 0.01 0.13 26.27 18:20:35 2 75.02 0.00 2.37 0.03 0.13 22.46 18:20:35 3 74.74 0.00 2.45 0.02 0.13 22.66 18:30:00 all 56.58 0.00 2.47 0.10 0.10 40.75 18:30:00 0 58.83 0.00 2.45 0.09 0.11 38.52 18:30:00 1 53.51 0.00 2.65 0.14 0.10 43.59 18:30:00 2 55.48 0.00 2.58 0.07 0.10 41.77 18:30:00 3 58.49 0.00 2.22 0.07 0.10 39.12 Average: all 44.15 0.00 1.62 0.05 0.08 54.09 Average: 0 44.23 0.00 1.48 0.05 0.08 54.15 Average: 1 42.60 0.00 1.67 0.08 0.08 55.57 Average: 2 44.29 0.00 1.72 0.04 0.08 53.87 Average: 3 45.46 0.00 1.62 0.05 0.08 52.78