---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20931 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 68G 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 607 10697 4 4684 15039 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:95:74:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84742sec preferred_lft 84742sec inet6 fe80::f816:3eff:fe95:7464/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:0a:4f:e4:c7:d5 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20931) 02/26/26 _x86_64_ (4 CPU) 09:56:48 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:02 6.86 0.42 6.24 0.21 31.83 1740.43 153.78 10:20:02 24.39 0.54 9.97 13.88 19.65 1654.89 240440.82 Average: 15.62 0.48 8.10 7.04 25.75 1697.70 120179.27 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:02 8772580 11670280 4293680 26.22 112732 2952256 4464208 25.62 493656 6771628 296 10:20:02 9259960 12835800 3123996 19.08 134304 3571684 3325592 19.09 696356 6029048 265656 Average: 9016270 12253040 3708838 22.65 123518 3261970 3894900 22.36 595006 6400338 132976 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:02 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 10:10:02 ens3 17.58 14.48 111.63 3.09 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 177.35 177.35 168.51 168.51 0.00 0.00 0.00 0.00 10:20:02 ens3 37.21 25.72 389.38 3.70 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 88.91 88.91 84.36 84.36 0.00 0.00 0.00 0.00 Average: ens3 27.39 20.10 250.37 3.40 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20931) 02/26/26 _x86_64_ (4 CPU) 09:56:48 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:02 all 51.27 0.00 0.83 0.09 0.08 47.73 10:10:02 0 54.82 0.00 0.86 0.11 0.08 44.13 10:10:02 1 48.00 0.00 1.06 0.11 0.07 50.75 10:10:02 2 42.93 0.00 0.66 0.12 0.08 56.22 10:10:02 3 59.33 0.00 0.73 0.03 0.07 39.83 10:20:02 all 50.83 0.00 0.91 0.09 0.07 48.10 10:20:02 0 44.01 0.00 1.00 0.04 0.07 54.88 10:20:02 1 61.23 0.00 0.84 0.06 0.08 37.79 10:20:02 2 39.89 0.00 0.95 0.10 0.07 59.00 10:20:02 3 58.16 0.00 0.87 0.16 0.07 40.74 Average: all 51.05 0.00 0.87 0.09 0.08 47.91 Average: 0 49.42 0.00 0.93 0.08 0.08 49.50 Average: 1 54.61 0.00 0.95 0.09 0.08 44.28 Average: 2 41.41 0.00 0.80 0.11 0.08 57.60 Average: 3 58.74 0.00 0.80 0.10 0.07 40.29