---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-423492 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 606 10494 4 4888 15040 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:7f:c2:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84755sec preferred_lft 84755sec inet6 fe80::f816:3eff:fe7f:c229/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:e4:bb:03:fe:89 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-423492) 03/10/26 _x86_64_ (4 CPU) 09:56:53 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:24 7.02 0.69 5.94 0.39 417.35 1359.82 5747.73 10:20:05 6.91 0.54 6.06 0.32 19.74 762.47 637.68 Average: 6.97 0.62 6.00 0.35 225.25 1071.22 3278.91 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:24 8855976 11968164 3994440 24.40 115296 3161792 4158696 23.87 639932 6536960 492 10:20:05 10150660 13650708 2308868 14.10 132764 3505040 2484552 14.26 701764 5127972 213616 Average: 9503318 12809436 3151654 19.25 124030 3333416 3321624 19.07 670848 5832466 107054 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:24 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 10:10:24 ens3 21.80 16.67 224.69 3.19 0.00 0.00 0.00 0.00 10:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 79.86 79.86 75.70 75.70 0.00 0.00 0.00 0.00 10:20:05 ens3 32.47 24.45 390.31 3.19 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 38.91 38.91 36.76 36.76 0.00 0.00 0.00 0.00 Average: ens3 26.96 20.43 304.71 3.19 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-423492) 03/10/26 _x86_64_ (4 CPU) 09:56:53 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:24 all 50.69 0.00 0.86 0.11 0.09 48.25 10:10:24 0 47.77 0.00 0.78 0.01 0.08 51.36 10:10:24 1 58.48 0.00 1.03 0.17 0.09 40.24 10:10:24 2 48.20 0.00 0.73 0.20 0.09 50.78 10:10:24 3 48.31 0.00 0.91 0.05 0.09 50.63 10:20:05 all 51.21 0.00 0.78 0.03 0.07 47.91 10:20:05 0 38.21 0.00 0.65 0.02 0.07 61.05 10:20:05 1 43.50 0.00 0.86 0.02 0.07 55.56 10:20:05 2 40.32 0.00 0.74 0.05 0.07 58.82 10:20:05 3 82.82 0.00 0.88 0.03 0.09 16.18 Average: all 50.94 0.00 0.82 0.07 0.08 48.09 Average: 0 43.15 0.00 0.72 0.01 0.08 56.04 Average: 1 51.24 0.00 0.94 0.09 0.08 47.65 Average: 2 44.39 0.00 0.74 0.13 0.08 54.66 Average: 3 64.99 0.00 0.90 0.04 0.09 33.99