---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16696 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: 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 12G 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 8987 4 6356 15001 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:b9:e3:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84315sec preferred_lft 84315sec inet6 fe80::f816:3eff:feb9:e3a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:47:af:b0:51:4a 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-16696) 05/19/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 23.89 0.06 20.98 2.85 6.35 2256.46 7607.84 05:50:09 29.22 0.03 26.30 2.89 0.43 4142.79 9441.07 Average: 26.59 0.04 23.68 2.87 3.35 3212.95 8537.41 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8910896 12542800 3414852 20.86 142776 3603040 3807996 21.86 708320 6358944 15652 05:50:09 6637360 11240108 4713332 28.79 158932 4514596 4776952 27.42 973840 8313232 472 Average: 7774128 11891454 4064092 24.82 150854 4058818 4292474 24.64 841080 7336088 8062 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1270.43 1270.43 1204.10 1204.10 0.00 0.00 0.00 0.00 05:40:01 ens3 49.92 39.86 27.40 13.38 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 1243.23 1243.23 1178.56 1178.56 0.00 0.00 0.00 0.00 05:50:09 ens3 34.74 28.41 37.21 10.27 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1256.64 1256.64 1191.15 1191.15 0.00 0.00 0.00 0.00 Average: ens3 42.22 34.06 32.37 11.80 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-16696) 05/19/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 65.21 0.00 2.32 0.09 0.10 32.28 05:40:01 0 66.15 0.00 2.08 0.06 0.10 31.61 05:40:01 1 64.05 0.00 2.26 0.13 0.11 33.45 05:40:01 2 67.12 0.00 2.67 0.09 0.10 30.02 05:40:01 3 63.52 0.00 2.27 0.06 0.10 34.04 05:50:09 all 53.95 0.00 2.24 0.21 0.09 43.50 05:50:09 0 52.86 0.00 2.10 0.13 0.09 44.82 05:50:09 1 54.24 0.00 2.29 0.20 0.09 43.17 05:50:09 2 53.16 0.00 2.43 0.21 0.10 44.11 05:50:09 3 55.54 0.00 2.15 0.31 0.09 41.91 Average: all 59.50 0.00 2.28 0.15 0.10 37.97 Average: 0 59.41 0.00 2.09 0.10 0.10 38.31 Average: 1 59.08 0.00 2.28 0.17 0.10 38.38 Average: 2 60.03 0.00 2.55 0.15 0.10 37.17 Average: 3 59.47 0.00 2.21 0.19 0.10 38.03