---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-442678 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 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 621 10359 4 5008 15025 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:e8:c8:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84211sec preferred_lft 84211sec inet6 fe80::f816:3eff:fee8:c87e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:08:3a:02:1d:78 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-442678) 03/11/26 _x86_64_ (4 CPU) 12:05:58 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:01 28.18 0.67 24.36 3.15 227.13 3480.82 12346.09 12:30:01 31.50 0.02 28.28 3.20 0.61 4575.61 11577.12 12:40:05 2.49 0.01 2.37 0.10 0.23 597.92 2246.07 Average: 20.68 0.24 18.30 2.14 75.80 2879.52 8708.00 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 8787864 12458764 3498312 21.37 139584 3650664 3573404 20.51 761024 6426104 17004 12:30:01 7691916 12452848 3498800 21.37 165220 4665816 3498440 20.08 1070036 7166212 34232 12:40:05 5372584 10177232 5774440 35.27 165696 4706860 5387836 30.93 1087960 9437588 208 Average: 7284121 11696281 4257184 26.00 156833 4341113 4153227 23.84 973007 7676635 17148 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 lo 1440.50 1440.50 1366.72 1366.72 0.00 0.00 0.00 0.00 12:20:01 ens3 43.34 34.45 194.96 9.39 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 1417.18 1417.18 1350.20 1350.20 0.00 0.00 0.00 0.00 12:30:01 ens3 26.85 23.03 44.98 7.21 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:05 lo 882.96 882.96 7550.22 7550.22 0.00 0.00 0.00 0.00 12:40:05 ens3 0.93 0.75 0.29 0.23 0.00 0.00 0.00 0.00 12:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1246.03 1246.03 3431.98 3431.98 0.00 0.00 0.00 0.00 Average: ens3 23.65 19.37 79.88 5.60 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-442678) 03/11/26 _x86_64_ (4 CPU) 12:05:58 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 68.86 0.00 2.48 0.07 0.10 28.50 12:20:01 0 70.10 0.00 2.55 0.08 0.10 27.17 12:20:01 1 68.84 0.00 2.53 0.07 0.10 28.46 12:20:01 2 69.03 0.00 2.46 0.04 0.10 28.37 12:20:01 3 67.45 0.00 2.37 0.10 0.10 29.98 12:30:01 all 62.81 0.00 2.64 0.13 0.09 34.32 12:30:01 0 60.76 0.00 2.44 0.07 0.09 36.64 12:30:01 1 66.52 0.00 2.81 0.11 0.09 30.47 12:30:01 2 60.01 0.00 2.81 0.28 0.09 36.80 12:30:01 3 63.94 0.00 2.52 0.06 0.09 33.39 12:40:05 all 20.76 0.00 0.57 0.02 0.07 78.59 12:40:05 0 23.95 0.00 0.39 0.05 0.06 75.54 12:40:05 1 17.30 0.00 0.63 0.01 0.07 81.98 12:40:05 2 23.70 0.00 0.61 0.02 0.08 75.60 12:40:05 3 18.10 0.00 0.63 0.01 0.05 81.21 Average: all 50.69 0.00 1.89 0.07 0.09 47.26 Average: 0 51.50 0.00 1.79 0.07 0.08 46.56 Average: 1 50.70 0.00 1.98 0.06 0.09 47.16 Average: 2 50.82 0.00 1.96 0.11 0.09 47.02 Average: 3 49.72 0.00 1.83 0.06 0.08 48.31