---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37367 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 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 678 10874 4 4435 14967 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:ad:aa:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84884sec preferred_lft 84884sec inet6 fe80::f816:3eff:fead:aa08/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:a2:a6:64:1d:bf 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-37367) 08/13/26 _x86_64_ (4 CPU) 21:55:23 LINUX RESTART (4 CPU) 22:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:06 53.22 2.49 42.14 8.60 139.30 4928.07 7595.36 22:20:00 24.17 0.19 19.84 4.14 13.29 2764.91 2088.78 Average: 38.83 1.35 31.09 6.39 76.87 3856.37 4867.22 22:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:06 10179752 13833940 2123580 12.97 172464 3574548 2590784 14.87 616376 5158324 96776 22:20:00 11240376 15422304 530824 3.24 203456 4031460 1093920 6.28 793008 3870780 11948 Average: 10710064 14628122 1327202 8.11 187960 3803004 1842352 10.58 704692 4514552 54362 22:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:06 lo 4712.67 4712.67 4494.92 4494.92 0.00 0.00 0.00 0.00 22:10:06 ens3 155.68 113.37 466.93 31.95 0.00 0.00 0.00 0.00 22:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:00 lo 1701.76 1701.76 1603.97 1603.97 0.00 0.00 0.00 0.00 22:20:00 ens3 136.35 124.27 160.64 183.64 0.00 0.00 0.00 0.00 22:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3220.97 3220.97 3062.65 3062.65 0.00 0.00 0.00 0.00 Average: ens3 146.10 118.77 315.19 107.10 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-37367) 08/13/26 _x86_64_ (4 CPU) 21:55:23 LINUX RESTART (4 CPU) 22:00:02 CPU %user %nice %system %iowait %steal %idle 22:10:06 all 66.59 0.00 3.95 0.11 0.08 29.26 22:10:06 0 66.03 0.00 4.06 0.11 0.08 29.72 22:10:06 1 67.06 0.00 3.82 0.08 0.08 28.96 22:10:06 2 65.67 0.00 4.01 0.11 0.08 30.13 22:10:06 3 67.62 0.00 3.92 0.15 0.08 28.23 22:20:00 all 33.34 0.00 1.85 0.08 0.07 64.66 22:20:00 0 34.07 0.00 2.33 0.07 0.07 63.47 22:20:00 1 30.79 0.00 1.72 0.13 0.07 67.30 22:20:00 2 37.58 0.00 1.66 0.06 0.06 60.63 22:20:00 3 30.94 0.00 1.68 0.04 0.07 67.26 Average: all 50.11 0.00 2.91 0.10 0.07 46.81 Average: 0 50.18 0.00 3.20 0.09 0.07 46.46 Average: 1 49.08 0.00 2.78 0.11 0.07 47.96 Average: 2 51.74 0.00 2.85 0.09 0.07 45.26 Average: 3 49.45 0.00 2.81 0.10 0.08 47.57