---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39357 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 13G 65G 17% / 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 662 7850 4 7476 14984 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:fa:71:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83895sec preferred_lft 83895sec inet6 fe80::f816:3eff:fefa:71bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:a6:f4:06:38:2d 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39357) 08/21/26 _x86_64_ (4 CPU) 05:58:06 LINUX RESTART (4 CPU) 06:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:10:01 47.84 4.15 27.83 15.86 423.94 6086.90 282099.74 06:20:11 26.98 0.02 24.12 2.85 0.39 2203.02 21013.69 06:30:12 18.89 0.04 17.10 1.74 1.04 3537.32 29278.28 Average: 31.22 1.40 23.02 6.80 141.06 3933.04 110328.89 06:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:10:01 9651584 13655820 2301140 14.05 145568 3970576 2707180 15.54 740000 5586132 94340 06:20:11 8590348 12933092 3019568 18.44 165324 4255412 3009484 17.27 861036 6454536 20216 06:30:12 5254292 10453608 5496792 33.57 172348 5073600 5349668 30.71 1118940 9519164 652 Average: 7832075 12347507 3605833 22.02 161080 4433196 3688777 21.17 906659 7186611 38403 06:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:10:01 lo 1150.10 1150.10 1090.06 1090.06 0.00 0.00 0.00 0.00 06:10:01 ens3 156.88 121.15 1476.17 22.71 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:11 lo 1336.09 1336.09 1273.17 1273.17 0.00 0.00 0.00 0.00 06:20:11 ens3 42.57 35.11 24.22 12.11 0.00 0.00 0.00 0.00 06:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:12 lo 709.35 709.35 2879.55 2879.55 0.00 0.00 0.00 0.00 06:30:12 ens3 26.82 20.14 16.54 7.23 0.00 0.00 0.00 0.00 06:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1066.75 1066.75 1744.72 1744.72 0.00 0.00 0.00 0.00 Average: ens3 75.26 58.68 503.15 14.01 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39357) 08/21/26 _x86_64_ (4 CPU) 05:58:06 LINUX RESTART (4 CPU) 06:00:00 CPU %user %nice %system %iowait %steal %idle 06:10:01 all 47.50 0.00 2.08 0.14 0.07 50.21 06:10:01 0 47.87 0.00 2.08 0.15 0.08 49.82 06:10:01 1 48.05 0.00 2.08 0.13 0.07 49.67 06:10:01 2 46.97 0.00 2.17 0.12 0.08 50.66 06:10:01 3 47.10 0.00 1.98 0.18 0.08 50.66 06:20:11 all 66.46 0.00 2.42 0.05 0.10 30.96 06:20:11 0 65.73 0.00 2.62 0.05 0.10 31.51 06:20:11 1 65.95 0.00 2.04 0.05 0.10 31.87 06:20:11 2 67.69 0.00 2.46 0.02 0.10 29.74 06:20:11 3 66.49 0.00 2.57 0.10 0.10 30.74 06:30:12 all 36.79 0.00 1.53 0.09 0.09 61.50 06:30:12 0 38.04 0.00 1.62 0.06 0.09 60.20 06:30:12 1 33.14 0.00 1.77 0.16 0.09 64.84 06:30:12 2 35.98 0.00 1.27 0.06 0.09 62.60 06:30:12 3 40.00 0.00 1.47 0.08 0.09 58.37 Average: all 50.34 0.00 2.01 0.10 0.09 47.46 Average: 0 50.63 0.00 2.11 0.08 0.09 47.09 Average: 1 49.14 0.00 1.96 0.11 0.09 48.70 Average: 2 50.32 0.00 1.97 0.07 0.09 47.55 Average: 3 51.28 0.00 2.01 0.12 0.09 46.51