---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2713 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 10G 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 701 10846 4 4441 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:3f:1e:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fe3f:1e27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:6e:76:81:26:9e 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-2713) 08/06/26 _x86_64_ (4 CPU) 21:56:03 LINUX RESTART (4 CPU) 22:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 50.03 2.61 39.48 7.94 143.81 4607.16 12932.77 22:20:01 42.59 0.16 23.25 19.18 10.41 3200.49 248761.45 Average: 46.29 1.38 31.33 13.59 76.81 3900.71 131369.09 22:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 10186524 13709632 2248648 13.73 166220 3458784 2486564 14.27 601688 5180456 66240 22:20:01 11181516 15366416 587828 3.59 201928 4036800 1116260 6.41 795340 3909836 200 Average: 10684020 14538024 1418238 8.66 184074 3747792 1801412 10.34 698514 4545146 33220 22:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 4343.24 4343.24 4141.28 4141.28 0.00 0.00 0.00 0.00 22:10:01 ens3 160.47 121.47 805.88 33.05 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2092.62 2092.62 1980.82 1980.82 0.00 0.00 0.00 0.00 22:20:01 ens3 114.39 102.73 148.15 156.83 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3212.95 3212.95 3056.27 3056.27 0.00 0.00 0.00 0.00 Average: ens3 137.32 112.06 475.56 95.22 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-2713) 08/06/26 _x86_64_ (4 CPU) 21:56:03 LINUX RESTART (4 CPU) 22:00:06 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 64.67 0.00 3.88 0.39 0.11 30.96 22:10:01 0 64.53 0.00 3.83 0.65 0.11 30.88 22:10:01 1 65.73 0.00 3.89 0.23 0.11 30.05 22:10:01 2 63.91 0.00 4.00 0.31 0.11 31.67 22:10:01 3 64.52 0.00 3.79 0.36 0.11 31.23 22:20:01 all 34.74 0.00 2.07 1.13 0.08 61.98 22:20:01 0 32.59 0.00 1.98 1.82 0.07 63.53 22:20:01 1 33.08 0.00 2.31 1.37 0.08 63.17 22:20:01 2 34.10 0.00 1.91 0.49 0.08 63.42 22:20:01 3 39.20 0.00 2.07 0.84 0.08 57.81 Average: all 49.63 0.00 2.97 0.76 0.09 46.55 Average: 0 48.47 0.00 2.90 1.24 0.09 47.30 Average: 1 49.32 0.00 3.09 0.80 0.09 46.68 Average: 2 48.93 0.00 2.95 0.40 0.09 47.62 Average: 3 51.79 0.00 2.93 0.60 0.09 44.59