---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10636 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 67G 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 723 9652 4 5613 14923 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:ec:db:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84628sec preferred_lft 84628sec inet6 fe80::f816:3eff:feec:db8c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:d6:f3:bb:9b:ab 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-10636) 05/03/26 _x86_64_ (4 CPU) 12:35:20 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:08 27.73 0.55 24.47 2.72 18.61 3703.29 15228.83 13:00:09 28.37 0.05 25.31 3.01 1.62 5954.53 12586.83 Average: 28.05 0.30 24.89 2.86 10.16 4822.83 13914.97 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:08 8823432 12727236 3228372 19.72 158252 3826640 3407144 19.56 756104 6359772 177496 13:00:09 7628592 12775172 3174476 19.39 188408 4974156 3494076 20.06 1028284 7222556 24692 Average: 8226012 12751204 3201424 19.55 173330 4400398 3450610 19.81 892194 6791164 101094 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:08 lo 1329.60 1329.60 1267.59 1267.59 0.00 0.00 0.00 0.00 12:50:08 ens3 67.22 50.57 325.36 14.27 0.00 0.00 0.00 0.00 12:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:09 lo 881.25 881.25 839.30 839.30 0.00 0.00 0.00 0.00 13:00:09 ens3 58.49 44.72 234.60 13.27 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1106.63 1106.63 1054.60 1054.60 0.00 0.00 0.00 0.00 Average: ens3 62.88 47.66 280.23 13.77 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-10636) 05/03/26 _x86_64_ (4 CPU) 12:35:20 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:08 all 63.62 0.00 2.28 0.06 0.08 33.95 12:50:08 0 61.97 0.00 2.26 0.07 0.08 35.62 12:50:08 1 65.00 0.00 2.23 0.05 0.08 32.64 12:50:08 2 63.67 0.00 2.26 0.07 0.08 33.91 12:50:08 3 63.85 0.00 2.38 0.07 0.08 33.62 13:00:09 all 56.94 0.00 2.15 0.09 0.08 40.73 13:00:09 0 57.89 0.00 1.82 0.07 0.09 40.14 13:00:09 1 53.45 0.00 2.19 0.19 0.08 44.09 13:00:09 2 60.96 0.00 2.37 0.03 0.09 36.55 13:00:09 3 55.48 0.00 2.23 0.06 0.09 42.15 Average: all 60.30 0.00 2.22 0.08 0.08 37.32 Average: 0 59.94 0.00 2.04 0.07 0.08 37.87 Average: 1 59.25 0.00 2.21 0.12 0.08 38.34 Average: 2 62.32 0.00 2.32 0.05 0.08 35.22 Average: 3 59.69 0.00 2.30 0.06 0.08 37.86