---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23759 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: 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 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 600 10710 4 4678 15046 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:4b:4d:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84364sec preferred_lft 84364sec inet6 fe80::f816:3eff:fe4b:4d07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:bb:ef:93:0a:89 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-23759) 02/27/26 _x86_64_ (4 CPU) 09:47:28 LINUX RESTART (4 CPU) 09:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:09 38.94 4.27 34.01 0.67 254.00 3797.45 1503.77 10:10:01 3.91 0.07 3.66 0.19 6.98 578.21 29.82 10:20:01 20.67 0.54 18.60 1.52 20.00 2748.24 4282.33 Average: 21.25 1.63 18.82 0.80 94.04 2382.44 1946.83 09:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:09 10155428 12922096 3042612 18.58 108320 2836504 3370840 19.35 454424 5410540 28 10:10:01 9922092 12854996 3108776 18.99 114428 2982160 3321064 19.06 504092 5613300 5256 10:20:01 11026072 15449996 507984 3.10 137276 4392288 1033764 5.93 867476 4055156 1054188 Average: 10367864 13742363 2219791 13.56 120008 3403651 2575223 14.78 608664 5026332 353157 09:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:09 lo 0.38 0.38 0.05 0.05 0.00 0.00 0.00 0.00 10:00:09 ens3 83.58 63.83 828.57 11.37 0.00 0.00 0.00 0.00 10:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 10.55 8.48 38.26 2.53 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 483.36 483.36 460.25 460.25 0.00 0.00 0.00 0.00 10:20:01 ens3 46.78 35.93 467.58 6.07 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 162.14 162.14 154.21 154.21 0.00 0.00 0.00 0.00 Average: ens3 47.13 36.20 446.57 6.68 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-23759) 02/27/26 _x86_64_ (4 CPU) 09:47:28 LINUX RESTART (4 CPU) 09:50:09 CPU %user %nice %system %iowait %steal %idle 10:00:09 all 24.03 0.00 0.80 1.52 0.06 73.59 10:00:09 0 26.23 0.00 0.69 0.44 0.06 72.58 10:00:09 1 23.63 0.00 0.72 0.43 0.06 75.16 10:00:09 2 19.42 0.00 0.81 4.79 0.05 74.93 10:00:09 3 26.84 0.00 0.97 0.43 0.07 71.69 10:10:01 all 48.87 0.00 0.84 0.02 0.10 50.17 10:10:01 0 52.74 0.00 0.99 0.05 0.10 46.12 10:10:01 1 51.52 0.00 0.95 0.02 0.10 47.40 10:10:01 2 47.08 0.00 0.77 0.00 0.09 52.05 10:10:01 3 44.15 0.00 0.64 0.02 0.09 55.10 10:20:01 all 52.27 0.00 1.39 0.09 0.10 46.16 10:20:01 0 56.62 0.00 1.59 0.08 0.10 41.61 10:20:01 1 44.22 0.00 1.33 0.11 0.09 54.25 10:20:01 2 39.76 0.00 1.19 0.08 0.09 58.89 10:20:01 3 68.46 0.00 1.45 0.08 0.11 29.90 Average: all 41.69 0.00 1.01 0.55 0.08 56.67 Average: 0 45.16 0.00 1.09 0.19 0.09 53.48 Average: 1 39.74 0.00 1.00 0.19 0.09 58.99 Average: 2 35.37 0.00 0.92 1.63 0.08 62.00 Average: 3 46.49 0.00 1.02 0.18 0.09 52.22