---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-448036 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 9.2G 69G 12% / 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 609 11907 4 3471 15037 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:99:8d:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82696sec preferred_lft 82696sec inet6 fe80::f816:3eff:fe99:8da0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:a5:8c:b7:2b:98 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-448036) 03/12/26 _x86_64_ (4 CPU) 02:21:32 LINUX RESTART (4 CPU) 02:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:22 2.24 0.00 2.23 0.00 0.04 27.82 0.15 02:50:01 2.03 0.00 2.03 0.00 0.00 25.18 0.00 03:00:11 2.03 0.00 2.03 0.00 0.00 24.94 0.00 03:10:09 2.13 0.00 2.13 0.00 0.00 26.27 0.00 03:20:01 1.96 0.00 1.96 0.00 0.01 23.87 0.00 Average: 2.08 0.00 2.08 0.00 0.01 25.62 0.03 02:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:22 10347812 13535504 2426000 14.82 113560 3219660 2719024 15.61 620016 5033740 28 02:50:01 10346552 13535056 2426416 14.82 114356 3219672 2719156 15.61 620804 5034200 256 03:00:11 10345796 13535168 2426308 14.82 115264 3219668 2727540 15.66 621700 5034056 44 03:10:09 10344036 13534384 2427008 14.82 116048 3219820 2727668 15.66 622508 5034732 64 03:20:01 10342552 13533768 2427636 14.83 116764 3219956 2727908 15.66 623220 5035840 276 Average: 10345350 13534776 2426674 14.82 115198 3219755 2724259 15.64 621650 5034514 134 02:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:22 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:40:22 ens3 0.35 0.11 0.08 0.04 0.00 0.00 0.00 0.00 02:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:50:01 ens3 0.27 0.10 0.06 0.03 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:00:11 ens3 0.20 0.09 0.04 0.02 0.00 0.00 0.00 0.00 03:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:10:09 ens3 0.30 0.14 0.09 0.05 0.00 0.00 0.00 0.00 03:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:20:01 ens3 1.55 0.24 0.39 0.18 0.00 0.00 0.00 0.00 03:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.53 0.14 0.13 0.06 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-448036) 03/12/26 _x86_64_ (4 CPU) 02:21:32 LINUX RESTART (4 CPU) 02:30:17 CPU %user %nice %system %iowait %steal %idle 02:40:22 all 0.52 0.00 0.11 0.11 0.05 99.20 02:40:22 0 0.26 0.00 0.17 0.03 0.07 99.47 02:40:22 1 1.17 0.00 0.12 0.00 0.05 98.65 02:40:22 2 0.53 0.00 0.08 0.07 0.04 99.27 02:40:22 3 0.12 0.00 0.08 0.35 0.04 99.41 02:50:01 all 0.53 0.00 0.12 0.02 0.05 99.28 02:50:01 0 0.15 0.00 0.10 0.00 0.04 99.71 02:50:01 1 1.59 0.00 0.17 0.00 0.07 98.17 02:50:01 2 0.24 0.00 0.14 0.02 0.06 99.54 02:50:01 3 0.12 0.00 0.08 0.04 0.04 99.73 03:00:11 all 0.39 0.00 0.12 0.01 0.05 99.43 03:00:11 0 0.10 0.00 0.10 0.00 0.04 99.76 03:00:11 1 1.15 0.00 0.14 0.01 0.06 98.64 03:00:11 2 0.21 0.00 0.15 0.03 0.06 99.55 03:00:11 3 0.10 0.00 0.09 0.00 0.04 99.76 03:10:09 all 0.27 0.00 0.11 0.01 0.04 99.56 03:10:09 0 0.11 0.00 0.10 0.00 0.04 99.75 03:10:09 1 0.23 0.00 0.17 0.03 0.06 99.51 03:10:09 2 0.14 0.00 0.10 0.00 0.04 99.72 03:10:09 3 0.60 0.00 0.09 0.00 0.04 99.27 03:20:01 all 0.20 0.00 0.12 0.01 0.04 99.63 03:20:01 0 0.06 0.00 0.03 0.00 0.01 99.90 03:20:01 1 0.11 0.00 0.08 0.01 0.03 99.77 03:20:01 2 0.26 0.00 0.23 0.02 0.08 99.41 03:20:01 3 0.36 0.00 0.14 0.00 0.05 99.45 Average: all 0.38 0.00 0.12 0.03 0.05 99.42 Average: 0 0.14 0.00 0.10 0.01 0.04 99.72 Average: 1 0.85 0.00 0.14 0.01 0.06 98.95 Average: 2 0.28 0.00 0.14 0.03 0.06 99.50 Average: 3 0.26 0.00 0.10 0.08 0.04 99.52