---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450016 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 13G 66G 16% / 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 644 8738 4 6605 15002 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:20:52:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84585sec preferred_lft 84585sec inet6 fe80::f816:3eff:fe20:52d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:5b:65:fc:ab:d3 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-450016) 03/12/26 _x86_64_ (4 CPU) 07:32:23 LINUX RESTART (4 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:04 39.86 0.02 23.46 16.38 0.50 2191.91 255098.46 08:00:04 33.72 11.89 19.86 1.97 131.35 4105.43 32603.32 Average: 36.80 5.94 21.66 9.19 65.78 3146.58 144094.17 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:04 9601156 13343764 2612232 15.95 146300 3706504 2706296 15.53 738764 5628928 16964 08:00:04 5764552 10528304 5423096 33.12 160384 4658588 5175936 29.71 1051440 9072536 436 Average: 7682854 11936034 4017664 24.54 153342 4182546 3941116 22.62 895102 7350732 8700 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:04 lo 1486.06 1486.06 1411.63 1411.63 0.00 0.00 0.00 0.00 07:50:04 ens3 27.80 22.48 11.91 7.13 0.00 0.00 0.00 0.00 07:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:04 lo 781.88 781.88 5375.79 5375.79 0.00 0.00 0.00 0.00 08:00:04 ens3 23.75 18.37 22.10 5.79 0.00 0.00 0.00 0.00 08:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1134.74 1134.74 3389.37 3389.37 0.00 0.00 0.00 0.00 Average: ens3 25.78 20.43 17.00 6.46 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-450016) 03/12/26 _x86_64_ (4 CPU) 07:32:23 LINUX RESTART (4 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:04 all 67.17 0.00 2.38 0.08 0.11 30.26 07:50:04 0 67.71 0.00 2.01 0.05 0.11 30.13 07:50:04 1 66.81 0.00 2.37 0.08 0.11 30.64 07:50:04 2 67.73 0.00 2.94 0.16 0.11 29.06 07:50:04 3 66.43 0.00 2.21 0.04 0.11 31.22 08:00:04 all 51.55 0.07 1.81 0.16 0.10 46.33 08:00:04 0 48.99 0.10 1.81 0.09 0.10 48.92 08:00:04 1 51.18 0.15 1.82 0.11 0.10 46.65 08:00:04 2 56.14 0.00 1.95 0.18 0.10 41.62 08:00:04 3 49.89 0.01 1.65 0.24 0.09 48.10 Average: all 59.37 0.03 2.09 0.12 0.10 38.29 Average: 0 58.35 0.05 1.91 0.07 0.10 39.53 Average: 1 59.00 0.08 2.09 0.09 0.10 38.63 Average: 2 61.95 0.00 2.45 0.17 0.10 35.33 Average: 3 58.17 0.01 1.93 0.14 0.10 39.65