---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42200 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 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 740 9344 4 5904 14905 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:b1:57:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83729sec preferred_lft 83729sec inet6 fe80::f816:3eff:feb1:57dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:81:83:bb:88:be 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-42200) 08/28/26 _x86_64_ (4 CPU) 20:20:17 LINUX RESTART (4 CPU) 20:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 26.82 0.50 22.25 4.07 15.70 4782.88 2979.16 20:50:07 58.68 0.00 43.53 15.16 0.00 2677.80 12718.31 21:00:07 23.57 0.16 19.38 4.03 10.87 4423.29 4788.52 Average: 36.46 0.22 28.46 7.79 8.80 3954.62 6859.67 20:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 8837560 13175292 2775800 16.95 189336 4192084 3037780 17.44 767588 6297416 128192 20:50:07 8353520 13030688 2916644 17.81 217208 4470248 3128572 17.96 859120 6626484 117488 21:00:07 9667332 15346684 597060 3.65 246764 5391172 1101068 6.32 1217984 4885080 12 Average: 8952804 13850888 2096501 12.80 217769 4684501 2422473 13.90 948231 5936327 81897 20:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1010.76 1010.76 963.08 963.08 0.00 0.00 0.00 0.00 20:40:01 ens3 79.20 60.53 328.77 19.71 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 5809.95 5809.95 5541.19 5541.19 0.00 0.00 0.00 0.00 20:50:07 ens3 60.48 45.24 27.43 20.98 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:07 lo 1639.28 1639.28 1551.08 1551.08 0.00 0.00 0.00 0.00 21:00:07 ens3 81.90 78.54 135.06 143.40 0.00 0.00 0.00 0.00 21:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2835.28 2835.28 2699.69 2699.69 0.00 0.00 0.00 0.00 Average: ens3 73.80 61.39 162.79 61.37 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-42200) 08/28/26 _x86_64_ (4 CPU) 20:20:17 LINUX RESTART (4 CPU) 20:30:07 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 65.39 0.00 2.91 0.06 0.02 31.62 20:40:01 0 65.72 0.00 2.89 0.05 0.02 31.33 20:40:01 1 65.28 0.00 2.84 0.07 0.02 31.78 20:40:01 2 67.85 0.00 3.06 0.04 0.02 29.03 20:40:01 3 62.72 0.00 2.85 0.06 0.02 34.36 20:50:07 all 57.54 0.00 4.35 0.12 0.02 37.97 20:50:07 0 56.59 0.00 3.71 0.10 0.01 39.59 20:50:07 1 57.54 0.00 4.47 0.17 0.01 37.80 20:50:07 2 57.05 0.00 4.38 0.10 0.02 38.45 20:50:07 3 58.97 0.00 4.85 0.10 0.02 36.06 21:00:07 all 35.81 0.00 2.17 0.09 0.01 61.92 21:00:07 0 32.99 0.00 2.04 0.16 0.01 64.80 21:00:07 1 32.53 0.00 2.24 0.12 0.01 65.10 21:00:07 2 40.09 0.00 2.29 0.03 0.01 57.57 21:00:07 3 37.63 0.00 2.10 0.05 0.01 60.20 Average: all 52.89 0.00 3.15 0.09 0.01 43.86 Average: 0 51.74 0.00 2.88 0.10 0.01 45.26 Average: 1 51.77 0.00 3.19 0.12 0.01 44.91 Average: 2 54.96 0.00 3.25 0.06 0.02 41.71 Average: 3 53.09 0.00 3.27 0.07 0.02 43.56