---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37791 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 679 9571 4 5738 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:47:d4:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84369sec preferred_lft 84369sec inet6 fe80::f816:3eff:fe47:d48d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:b3:07:d2:10:3a 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-37791) 08/15/26 _x86_64_ (4 CPU) 18:21:24 LINUX RESTART (4 CPU) 18:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:15 55.59 11.84 37.23 6.52 132.82 1581.78 126175.29 18:50:01 33.19 0.20 28.59 4.41 6.46 6065.70 27768.41 Average: 44.55 6.10 32.97 5.48 70.52 3792.43 77659.00 18:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:15 9276352 13047748 2909396 17.77 162204 3711068 3163540 18.16 734944 5947640 492 18:50:01 7669080 13011708 2936560 17.94 190988 5172436 3014632 17.30 1306416 6882608 8304 Average: 8472716 13029728 2922978 17.85 176596 4441752 3089086 17.73 1020680 6415124 4398 18:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:15 lo 45.50 45.50 10.87 10.87 0.00 0.00 0.00 0.00 18:40:15 ens3 14.92 11.24 10.32 3.62 0.00 0.00 0.00 0.00 18:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1944.29 1944.29 1846.43 1846.43 0.00 0.00 0.00 0.00 18:50:01 ens3 86.86 63.84 524.69 15.33 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 981.64 981.64 915.83 915.83 0.00 0.00 0.00 0.00 Average: ens3 50.39 37.17 263.91 9.40 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-37791) 08/15/26 _x86_64_ (4 CPU) 18:21:24 LINUX RESTART (4 CPU) 18:30:11 CPU %user %nice %system %iowait %steal %idle 18:40:15 all 21.92 0.07 0.99 0.30 0.09 76.62 18:40:15 0 21.77 0.29 1.17 0.88 0.09 75.80 18:40:15 1 21.66 0.00 0.88 0.07 0.09 77.29 18:40:15 2 22.21 0.00 0.97 0.05 0.09 76.68 18:40:15 3 22.05 0.00 0.95 0.19 0.09 76.71 18:50:01 all 46.21 0.00 2.36 0.09 0.09 51.26 18:50:01 0 46.58 0.00 2.24 0.11 0.09 50.98 18:50:01 1 45.23 0.00 2.03 0.07 0.08 52.59 18:50:01 2 43.56 0.00 2.37 0.12 0.09 53.86 18:50:01 3 49.46 0.00 2.79 0.06 0.08 47.61 Average: all 33.89 0.04 1.67 0.19 0.09 64.12 Average: 0 33.99 0.15 1.70 0.50 0.09 63.57 Average: 1 33.28 0.00 1.45 0.07 0.09 65.11 Average: 2 32.74 0.00 1.66 0.08 0.09 65.43 Average: 3 35.56 0.00 1.86 0.13 0.09 62.37