---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2678 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 12G 67G 15% / 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 734 9537 4 5717 14912 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:df:52:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84462sec preferred_lft 84462sec inet6 fe80::f816:3eff:fedf:52d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:ee:f1:7c:39:e3 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-2678) 08/06/26 _x86_64_ (4 CPU) 15:47:14 LINUX RESTART (4 CPU) 15:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:05 25.62 2.65 21.06 1.91 146.28 4874.42 10864.03 16:10:00 34.24 0.06 30.83 3.34 1.65 6189.53 28023.48 Average: 29.91 1.36 25.93 2.62 74.22 5529.63 19413.20 15:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:05 9481672 13270044 2685608 16.40 156716 3716612 2989120 17.16 712160 5746816 16848 16:10:00 7941832 13193124 2755960 16.83 185340 5075352 3042424 17.46 1024880 6878540 30672 Average: 8711752 13231584 2720784 16.62 171028 4395982 3015772 17.31 868520 6312678 23760 15:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:05 lo 837.53 837.53 798.14 798.14 0.00 0.00 0.00 0.00 16:00:05 ens3 112.78 85.39 822.64 18.45 0.00 0.00 0.00 0.00 16:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:00 lo 1443.28 1443.28 1375.37 1375.37 0.00 0.00 0.00 0.00 16:10:00 ens3 61.24 46.74 236.37 13.32 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1139.33 1139.33 1085.73 1085.73 0.00 0.00 0.00 0.00 Average: ens3 87.10 66.13 530.55 15.89 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-2678) 08/06/26 _x86_64_ (4 CPU) 15:47:14 LINUX RESTART (4 CPU) 15:50:04 CPU %user %nice %system %iowait %steal %idle 16:00:05 all 62.33 0.00 2.21 0.07 0.10 35.29 16:00:05 0 59.92 0.00 2.00 0.11 0.11 37.86 16:00:05 1 63.15 0.00 2.31 0.04 0.10 34.40 16:00:05 2 63.83 0.00 2.28 0.08 0.10 33.71 16:00:05 3 62.40 0.00 2.24 0.06 0.10 35.19 16:10:00 all 56.89 0.00 2.55 0.10 0.11 40.35 16:10:00 0 57.90 0.00 2.74 0.06 0.11 39.20 16:10:00 1 55.07 0.00 2.25 0.20 0.11 42.37 16:10:00 2 55.30 0.00 2.57 0.06 0.11 41.95 16:10:00 3 59.29 0.00 2.64 0.09 0.11 37.87 Average: all 59.62 0.00 2.38 0.09 0.11 37.81 Average: 0 58.91 0.00 2.37 0.08 0.11 38.53 Average: 1 59.12 0.00 2.28 0.12 0.11 38.37 Average: 2 59.58 0.00 2.42 0.07 0.10 37.81 Average: 3 60.85 0.00 2.44 0.07 0.11 36.53