---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7940 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 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 652 9384 4 5953 14994 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:29:75:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:fe29:7556/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:2f:3d:c1:c0:0d 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-7940) 04/25/26 _x86_64_ (4 CPU) 07:08:32 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:05 48.91 3.46 28.53 16.92 180.69 5178.22 273214.90 07:30:05 21.27 0.16 18.17 2.94 4.89 1687.47 21983.00 Average: 35.13 1.81 23.37 9.95 93.03 3437.47 147931.99 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:05 9591556 13076540 2881684 17.60 124180 3489824 3198772 18.36 693352 5709576 18568 07:30:05 9124060 12980752 2974416 18.17 144372 3813156 3143156 18.04 821352 6018332 27300 Average: 9357808 13028646 2928050 17.88 134276 3651490 3170964 18.20 757352 5863954 22934 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:05 lo 21.62 21.62 4.79 4.79 0.00 0.00 0.00 0.00 07:20:05 ens3 72.25 55.29 757.46 10.57 0.00 0.00 0.00 0.00 07:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:05 lo 1217.35 1217.35 1130.76 1130.76 0.00 0.00 0.00 0.00 07:30:05 ens3 39.61 29.56 265.22 7.01 0.00 0.00 0.00 0.00 07:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 617.90 617.90 566.28 566.28 0.00 0.00 0.00 0.00 Average: ens3 55.97 42.46 511.99 8.80 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-7940) 04/25/26 _x86_64_ (4 CPU) 07:08:32 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:05 all 38.39 0.00 1.49 0.47 0.08 59.56 07:20:05 0 37.52 0.00 1.08 0.75 0.08 60.56 07:20:05 1 36.75 0.00 1.57 0.37 0.09 61.23 07:20:05 2 41.33 0.00 1.97 0.42 0.08 56.20 07:20:05 3 37.97 0.00 1.34 0.36 0.08 60.24 07:30:05 all 26.55 0.00 1.42 0.24 0.08 71.71 07:30:05 0 25.39 0.00 1.30 0.13 0.08 73.10 07:30:05 1 27.06 0.00 1.24 0.15 0.09 71.46 07:30:05 2 27.30 0.00 1.60 0.14 0.08 70.88 07:30:05 3 26.46 0.00 1.56 0.52 0.08 71.38 Average: all 32.49 0.00 1.46 0.36 0.08 65.61 Average: 0 31.48 0.00 1.19 0.44 0.08 66.81 Average: 1 31.92 0.00 1.41 0.26 0.09 66.33 Average: 2 34.34 0.00 1.78 0.28 0.08 63.51 Average: 3 32.24 0.00 1.45 0.44 0.08 65.79