---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46632 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 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 67G 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 636 10271 4 5081 15009 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:c4:0b:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84905sec preferred_lft 84905sec inet6 fe80::f816:3eff:fec4:b42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:9f:91:0a:99:e7 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-46632) 09/01/26 _x86_64_ (4 CPU) 13:57:36 LINUX RESTART (4 CPU) 14:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:09 14.18 2.28 11.30 0.60 156.77 3676.69 19071.08 14:20:01 13.56 0.54 12.07 0.95 20.20 2007.09 4128.95 Average: 13.87 1.41 11.69 0.77 88.93 2847.34 11648.83 14:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:09 8500792 11803328 4157576 25.39 118540 3337784 4325736 24.83 510200 6998624 1352 14:20:01 9850912 13593464 2363548 14.44 137552 3730120 2520792 14.47 681896 5433284 15000 Average: 9175852 12698396 3260562 19.91 128046 3533952 3423264 19.65 596048 6215954 8176 14:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:09 lo 0.71 0.71 0.39 0.39 0.00 0.00 0.00 0.00 14:10:09 ens3 65.19 46.99 846.26 6.21 0.00 0.00 0.00 0.00 14:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 292.27 292.27 278.07 278.07 0.00 0.00 0.00 0.00 14:20:01 ens3 31.81 25.78 418.42 3.78 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 145.54 145.54 138.32 138.32 0.00 0.00 0.00 0.00 Average: ens3 48.61 36.45 633.74 5.00 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-46632) 09/01/26 _x86_64_ (4 CPU) 13:57:36 LINUX RESTART (4 CPU) 14:00:09 CPU %user %nice %system %iowait %steal %idle 14:10:09 all 50.08 0.00 1.14 0.23 0.04 48.51 14:10:09 0 45.89 0.00 1.16 0.16 0.03 52.76 14:10:09 1 53.39 0.00 1.13 0.10 0.04 45.34 14:10:09 2 51.76 0.00 1.09 0.41 0.05 46.69 14:10:09 3 49.28 0.00 1.19 0.24 0.04 49.24 14:20:01 all 52.87 0.00 1.22 0.05 0.04 45.82 14:20:01 0 41.46 0.00 1.21 0.06 0.02 57.24 14:20:01 1 81.15 0.00 1.13 0.05 0.07 17.60 14:20:01 2 47.16 0.00 1.34 0.03 0.03 51.44 14:20:01 3 41.71 0.00 1.22 0.05 0.03 56.99 Average: all 51.46 0.00 1.18 0.14 0.04 47.18 Average: 0 43.69 0.00 1.18 0.11 0.03 54.99 Average: 1 67.19 0.00 1.13 0.08 0.05 31.55 Average: 2 49.47 0.00 1.21 0.22 0.04 49.05 Average: 3 45.52 0.00 1.21 0.15 0.04 53.09