---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34050 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: 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 684 10430 4 4874 14962 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:d4:01:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84286sec preferred_lft 84286sec inet6 fe80::f816:3eff:fed4:15e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:a5:60:9c:e4:7f 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-34050) 08/10/26 _x86_64_ (4 CPU) 21:09:27 LINUX RESTART (4 CPU) 21:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:01 42.64 8.44 33.56 0.65 1340.45 3361.36 1937.16 21:30:02 12.66 1.90 9.75 1.02 128.89 3013.38 2716.58 21:40:17 28.60 0.91 23.37 4.31 32.85 4136.11 3997.35 Average: 27.96 3.72 22.23 2.01 496.68 3508.61 2892.82 21:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:01 12315024 15030596 935720 5.72 111552 2780984 1463432 8.40 379228 3346164 205352 21:30:02 10499628 13978796 1980528 12.10 141156 3449552 2294540 13.17 582632 4897696 36756 21:40:17 10738456 15369672 582064 3.56 176056 4483900 1103312 6.33 902132 4231432 79560 Average: 11184369 14793021 1166104 7.12 142921 3571479 1620428 9.30 621331 4158431 107223 21:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:01 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 21:20:01 ens3 112.33 84.15 839.02 15.22 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:02 lo 1.35 1.35 0.13 0.13 0.00 0.00 0.00 0.00 21:30:02 ens3 75.52 58.90 289.95 16.44 0.00 0.00 0.00 0.00 21:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:17 lo 1840.81 1840.81 1755.08 1755.08 0.00 0.00 0.00 0.00 21:40:17 ens3 88.73 67.06 441.58 17.61 0.00 0.00 0.00 0.00 21:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 624.00 624.00 594.47 594.47 0.00 0.00 0.00 0.00 Average: ens3 92.16 70.01 522.73 16.43 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-34050) 08/10/26 _x86_64_ (4 CPU) 21:09:27 LINUX RESTART (4 CPU) 21:10:01 CPU %user %nice %system %iowait %steal %idle 21:20:01 all 5.26 0.00 0.59 0.30 0.03 93.82 21:20:01 0 5.11 0.00 0.54 0.11 0.02 94.22 21:20:01 1 4.31 0.00 0.44 0.38 0.03 94.84 21:20:01 2 5.65 0.00 0.75 0.53 0.03 93.05 21:20:01 3 5.97 0.00 0.63 0.19 0.03 93.18 21:30:02 all 72.01 0.00 2.43 0.04 0.15 25.37 21:30:02 0 71.29 0.00 2.11 0.03 0.14 26.44 21:30:02 1 72.14 0.00 2.59 0.05 0.15 25.07 21:30:02 2 71.83 0.00 2.53 0.08 0.16 25.41 21:30:02 3 72.80 0.00 2.47 0.03 0.15 24.55 21:40:17 all 66.45 0.00 3.04 0.06 0.13 30.31 21:40:17 0 65.58 0.00 2.98 0.05 0.13 31.26 21:40:17 1 65.46 0.00 2.94 0.06 0.13 31.40 21:40:17 2 69.64 0.00 3.33 0.09 0.13 26.80 21:40:17 3 65.13 0.00 2.91 0.04 0.13 31.79 Average: all 48.05 0.00 2.03 0.14 0.10 49.69 Average: 0 47.48 0.00 1.89 0.06 0.10 50.47 Average: 1 47.46 0.00 2.00 0.16 0.10 50.28 Average: 2 49.18 0.00 2.21 0.23 0.11 48.27 Average: 3 48.06 0.00 2.01 0.09 0.10 49.74