---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42322 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 68G 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 675 10577 4 4736 14970 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:60:59:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85089sec preferred_lft 85089sec inet6 fe80::f816:3eff:fe60:5982/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:a0:9a:3c:77:23 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-42322) 08/29/26 _x86_64_ (4 CPU) 01:39:45 LINUX RESTART (4 CPU) 01:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:32 65.34 11.13 39.82 14.39 1550.64 9850.27 233063.95 02:00:16 27.53 0.82 23.07 3.65 24.23 4104.65 3514.41 Average: 47.15 6.17 31.76 9.22 816.23 7085.85 122619.75 01:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:32 10320032 13912580 2045624 12.49 133372 3582192 2607020 14.96 568644 5097892 19732 02:00:16 8560736 13257924 2691464 16.44 166704 4570644 2830760 16.25 855804 6476608 60084 Average: 9440384 13585252 2368544 14.47 150038 4076418 2718890 15.61 712224 5787250 39908 01:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:32 lo 1.49 1.49 0.15 0.15 0.00 0.00 0.00 0.00 01:50:32 ens3 120.16 92.10 1222.40 21.86 0.00 0.00 0.00 0.00 01:50:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:16 lo 1992.78 1992.78 1900.15 1900.15 0.00 0.00 0.00 0.00 02:00:16 ens3 70.73 54.30 460.55 14.85 0.00 0.00 0.00 0.00 02:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 959.57 959.57 914.31 914.31 0.00 0.00 0.00 0.00 Average: ens3 96.38 73.91 855.85 18.49 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-42322) 08/29/26 _x86_64_ (4 CPU) 01:39:45 LINUX RESTART (4 CPU) 01:40:00 CPU %user %nice %system %iowait %steal %idle 01:50:32 all 62.75 0.00 2.67 0.52 0.02 34.04 01:50:32 0 60.79 0.00 2.55 0.30 0.02 36.34 01:50:32 1 65.78 0.00 2.73 0.35 0.04 31.10 01:50:32 2 62.24 0.00 2.64 0.77 0.01 34.34 01:50:32 3 62.21 0.00 2.76 0.64 0.01 34.38 02:00:16 all 66.96 0.00 3.09 0.08 0.02 29.85 02:00:16 0 68.06 0.00 3.20 0.05 0.02 28.67 02:00:16 1 64.25 0.00 3.06 0.05 0.03 32.61 02:00:16 2 66.82 0.00 3.05 0.10 0.02 30.01 02:00:16 3 68.71 0.00 3.05 0.10 0.02 28.12 Average: all 64.78 0.00 2.87 0.30 0.02 32.02 Average: 0 64.29 0.00 2.86 0.18 0.02 32.65 Average: 1 65.05 0.00 2.89 0.20 0.03 31.82 Average: 2 64.44 0.00 2.84 0.45 0.02 32.26 Average: 3 65.34 0.00 2.90 0.38 0.02 31.37