---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37788 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 13G 66G 16% / 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 688 8752 4 6548 14958 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:4d:c6:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84266sec preferred_lft 84266sec inet6 fe80::f816:3eff:fe4d:c630/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:ca:a4:51:39:ac 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-37788) 08/15/26 _x86_64_ (4 CPU) 17:26:15 LINUX RESTART (4 CPU) 17:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 22.91 0.10 20.11 2.69 8.02 2321.89 5042.29 17:50:06 31.68 0.03 28.50 3.15 0.62 2626.20 9664.46 18:00:05 8.39 0.03 8.15 0.22 0.64 7614.82 3469.29 Average: 21.03 0.05 18.95 2.02 3.08 4184.67 6071.30 17:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 8897804 12603608 3354668 20.49 135852 3685972 3305724 18.97 692668 6385952 29608 17:50:06 7735988 12491044 3462784 21.15 156128 4665920 3674220 21.09 986092 7209716 597108 18:00:05 5605708 12107896 3839464 23.45 170760 6338756 3759600 21.58 1628164 8622216 179088 Average: 7413167 12400849 3552305 21.70 154247 4896883 3579848 20.55 1102308 7405961 268601 17:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 1495.10 1495.10 1418.75 1418.75 0.00 0.00 0.00 0.00 17:40:01 ens3 51.19 41.72 74.11 13.80 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:06 lo 1504.71 1504.71 1433.70 1433.70 0.00 0.00 0.00 0.00 17:50:06 ens3 64.72 45.81 36.05 16.71 0.00 0.00 0.00 0.00 17:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:05 lo 2570.77 2570.77 9314.81 9314.81 0.00 0.00 0.00 0.00 18:00:05 ens3 24.70 20.17 127.42 5.02 0.00 0.00 0.00 0.00 18:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1856.13 1856.13 4050.23 4050.23 0.00 0.00 0.00 0.00 Average: ens3 46.92 35.93 79.06 11.86 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-37788) 08/15/26 _x86_64_ (4 CPU) 17:26:15 LINUX RESTART (4 CPU) 17:30:05 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 69.06 0.00 2.48 0.05 0.08 28.34 17:40:01 0 68.16 0.00 2.62 0.04 0.08 29.10 17:40:01 1 69.31 0.00 2.08 0.05 0.08 28.48 17:40:01 2 69.88 0.00 2.46 0.05 0.08 27.53 17:40:01 3 68.88 0.00 2.75 0.05 0.08 28.24 17:50:06 all 61.29 0.00 2.57 0.08 0.09 35.97 17:50:06 0 61.46 0.00 2.62 0.15 0.09 35.68 17:50:06 1 61.33 0.00 2.67 0.05 0.10 35.85 17:50:06 2 61.33 0.00 2.57 0.06 0.09 35.95 17:50:06 3 61.06 0.00 2.41 0.05 0.09 36.39 18:00:05 all 30.16 0.00 1.27 0.10 0.08 68.39 18:00:05 0 28.48 0.00 1.33 0.02 0.08 70.09 18:00:05 1 29.81 0.00 1.27 0.23 0.09 68.60 18:00:05 2 30.99 0.00 1.37 0.11 0.08 67.45 18:00:05 3 31.37 0.00 1.09 0.03 0.08 67.43 Average: all 53.49 0.00 2.10 0.07 0.09 44.24 Average: 0 52.69 0.00 2.19 0.07 0.08 44.97 Average: 1 53.47 0.00 2.01 0.11 0.09 44.32 Average: 2 54.05 0.00 2.13 0.07 0.08 43.66 Average: 3 53.75 0.00 2.08 0.04 0.09 44.03