---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-456673 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: 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 12G 66G 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 665 9360 4 5963 14981 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:3c:35:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fe3c:357b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:86:24:20:5d:06 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-456673) 03/13/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 25.56 0.89 21.12 3.54 233.10 2886.15 61809.42 01:30:07 23.82 0.16 20.26 3.39 4.89 1789.42 18345.58 Average: 24.68 0.52 20.69 3.47 117.98 2332.91 39884.09 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9537656 13076488 2882140 17.60 129876 3530724 3171800 18.21 735392 5716404 248 01:30:07 9061860 13012564 2942604 17.97 149668 3892532 3047240 17.49 873336 6008544 26832 Average: 9299758 13044526 2912372 17.79 139772 3711628 3109520 17.85 804364 5862474 13540 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 30.29 30.29 6.92 6.92 0.00 0.00 0.00 0.00 01:20:01 ens3 34.42 26.51 204.66 6.97 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:07 lo 1367.30 1367.30 1278.60 1278.60 0.00 0.00 0.00 0.00 01:30:07 ens3 51.00 35.49 265.21 8.74 0.00 0.00 0.00 0.00 01:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 704.74 704.74 648.42 648.42 0.00 0.00 0.00 0.00 Average: ens3 42.79 31.04 235.21 7.87 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-456673) 03/13/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 35.10 0.00 1.24 0.16 0.09 63.40 01:20:01 0 33.67 0.00 1.05 0.10 0.09 65.09 01:20:01 1 35.65 0.00 1.39 0.26 0.09 62.62 01:20:01 2 34.05 0.00 1.16 0.21 0.09 64.49 01:20:01 3 37.06 0.00 1.36 0.07 0.09 61.42 01:30:07 all 32.68 0.00 1.66 0.12 0.09 65.45 01:30:07 0 31.52 0.00 1.60 0.06 0.09 66.74 01:30:07 1 32.25 0.00 1.69 0.11 0.09 65.87 01:30:07 2 34.39 0.00 1.72 0.07 0.09 63.74 01:30:07 3 32.57 0.00 1.63 0.24 0.09 65.47 Average: all 33.88 0.00 1.45 0.14 0.09 64.44 Average: 0 32.58 0.00 1.33 0.08 0.09 65.92 Average: 1 33.93 0.00 1.54 0.18 0.09 64.26 Average: 2 34.22 0.00 1.44 0.14 0.09 64.11 Average: 3 34.80 0.00 1.50 0.16 0.09 63.46