---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53828 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: 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 9.9G 68G 13% / 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 675 10957 4 4357 14971 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:c1:97:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84873sec preferred_lft 84873sec inet6 fe80::f816:3eff:fec1:97a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:8d:0c:bd:38:3f 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-53828) 03/28/26 _x86_64_ (4 CPU) 21:55:46 LINUX RESTART (4 CPU) 22:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:09 50.68 2.63 40.16 7.88 145.09 4777.83 5198.28 22:20:09 28.44 0.31 22.82 5.31 11.84 3128.70 8549.86 Average: 39.56 1.47 31.49 6.60 78.47 3953.32 6873.96 22:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:09 10383776 13847568 2109552 12.88 168764 3402832 2362428 13.56 627040 4962604 67180 22:20:09 11351200 15450348 502380 3.07 204152 3956080 991140 5.69 817232 3719448 28 Average: 10867488 14648958 1305966 7.98 186458 3679456 1676784 9.62 722136 4341026 33604 22:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:09 lo 4184.18 4184.18 3990.40 3990.40 0.00 0.00 0.00 0.00 22:10:09 ens3 161.81 122.88 849.11 33.16 0.00 0.00 0.00 0.00 22:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:09 lo 1958.79 1958.79 1851.97 1851.97 0.00 0.00 0.00 0.00 22:20:09 ens3 121.34 118.19 127.40 176.09 0.00 0.00 0.00 0.00 22:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3071.56 3071.56 2921.26 2921.26 0.00 0.00 0.00 0.00 Average: ens3 141.57 120.53 488.28 104.62 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-53828) 03/28/26 _x86_64_ (4 CPU) 21:55:46 LINUX RESTART (4 CPU) 22:00:09 CPU %user %nice %system %iowait %steal %idle 22:10:09 all 63.82 0.00 3.80 0.13 0.08 32.17 22:10:09 0 62.82 0.00 3.65 0.11 0.08 33.34 22:10:09 1 65.33 0.00 3.87 0.13 0.08 30.59 22:10:09 2 62.73 0.00 3.77 0.08 0.08 33.34 22:10:09 3 64.40 0.00 3.93 0.18 0.08 31.40 22:20:09 all 38.82 0.00 2.06 0.07 0.06 58.99 22:20:09 0 35.74 0.00 2.09 0.04 0.06 62.07 22:20:09 1 41.73 0.00 2.09 0.13 0.06 55.99 22:20:09 2 36.53 0.00 1.85 0.06 0.07 61.50 22:20:09 3 41.28 0.00 2.20 0.06 0.07 56.40 Average: all 51.30 0.00 2.93 0.10 0.07 45.60 Average: 0 49.26 0.00 2.87 0.07 0.07 47.73 Average: 1 53.50 0.00 2.98 0.13 0.07 43.32 Average: 2 49.62 0.00 2.81 0.07 0.07 47.43 Average: 3 52.83 0.00 3.07 0.12 0.07 43.91