---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3625 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 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 701 10317 4 4970 14945 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:e5:7c:a2 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 83890sec preferred_lft 83890sec inet6 fe80::f816:3eff:fee5:7ca2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:d0:e0:57:df:ea 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-3625) 08/09/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:06 18.17 0.08 4.58 13.51 3.11 320.04 238928.53 00:50:06 13.40 1.88 10.66 0.85 123.04 2810.47 1685.83 01:00:01 30.09 0.82 25.74 3.52 29.57 4293.90 5950.71 Average: 20.52 0.93 13.60 5.99 51.82 2463.39 82862.38 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:06 12862876 15463228 509436 3.11 103304 2684968 985612 5.66 373420 2786480 232 00:50:06 10306448 13794400 2164684 13.22 137764 3467652 2706588 15.54 591812 5089028 27884 01:00:01 8241992 12864408 3086176 18.85 172940 4485636 3599420 20.66 897844 6757160 2692 Average: 10470439 14040679 1920099 11.73 138003 3546085 2430540 13.95 621025 4877556 10269 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:06 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 00:40:06 ens3 26.92 20.06 333.13 2.17 0.00 0.00 0.00 0.00 00:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:06 lo 1.09 1.09 0.11 0.11 0.00 0.00 0.00 0.00 00:50:06 ens3 100.62 79.80 648.68 19.18 0.00 0.00 0.00 0.00 00:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 lo 1690.72 1690.72 1611.53 1611.53 0.00 0.00 0.00 0.00 01:00:01 ens3 89.55 64.87 454.92 17.28 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 559.18 559.18 532.64 532.64 0.00 0.00 0.00 0.00 Average: ens3 72.18 54.78 478.55 12.83 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-3625) 08/09/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:06 all 0.48 0.00 0.16 0.06 0.02 99.28 00:40:06 0 0.60 0.00 0.16 0.04 0.01 99.19 00:40:06 1 0.55 0.00 0.12 0.05 0.01 99.27 00:40:06 2 0.42 0.00 0.11 0.08 0.02 99.37 00:40:06 3 0.32 0.00 0.27 0.07 0.02 99.32 00:50:06 all 54.98 0.00 1.86 0.04 0.09 43.03 00:50:06 0 55.94 0.00 1.85 0.05 0.09 42.08 00:50:06 1 54.05 0.00 1.55 0.02 0.09 44.29 00:50:06 2 54.59 0.00 2.18 0.06 0.09 43.09 00:50:06 3 55.32 0.00 1.86 0.05 0.09 42.68 01:00:01 all 69.43 0.00 2.73 0.06 0.10 27.68 01:00:01 0 68.23 0.00 2.78 0.11 0.10 28.79 01:00:01 1 68.89 0.00 2.32 0.06 0.10 28.63 01:00:01 2 70.08 0.00 2.96 0.03 0.10 26.84 01:00:01 3 70.53 0.00 2.86 0.04 0.10 26.47 Average: all 41.41 0.00 1.58 0.05 0.07 56.90 Average: 0 41.38 0.00 1.59 0.06 0.07 56.91 Average: 1 40.92 0.00 1.32 0.04 0.07 57.65 Average: 2 41.48 0.00 1.74 0.05 0.07 56.66 Average: 3 41.86 0.00 1.66 0.05 0.07 56.36