---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9727 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 67G 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 613 10341 4 5034 15033 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:0d:f8:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84725sec preferred_lft 84725sec inet6 fe80::f816:3eff:fe0d:f826/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:c6:47:f8:5b:15 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-9727) 02/12/26 _x86_64_ (4 CPU) 10:56:46 LINUX RESTART (4 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:00 11.52 0.86 9.90 0.77 637.83 2445.15 23313.36 11:20:00 7.54 0.53 6.64 0.36 19.43 1027.35 1152.89 Average: 9.53 0.70 8.27 0.56 328.63 1736.25 12233.13 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:00 8888860 12112368 3849560 23.51 115024 3275284 4097380 23.52 681124 6465108 64 11:20:00 8853192 12762716 3194992 19.51 132604 3906152 3314916 19.03 788360 6339724 420816 Average: 8871026 12437542 3522276 21.51 123814 3590718 3706148 21.27 734742 6402416 210440 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:00 lo 0.72 0.72 0.40 0.40 0.00 0.00 0.00 0.00 11:10:00 ens3 41.23 31.31 370.77 5.07 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 116.30 116.30 110.52 110.52 0.00 0.00 0.00 0.00 11:20:00 ens3 35.52 24.77 408.87 3.61 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 58.51 58.51 55.46 55.46 0.00 0.00 0.00 0.00 Average: ens3 38.37 28.04 389.82 4.34 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-9727) 02/12/26 _x86_64_ (4 CPU) 10:56:46 LINUX RESTART (4 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:00 all 50.69 0.00 0.93 0.17 0.08 48.13 11:10:00 0 43.46 0.00 1.02 0.18 0.08 55.26 11:10:00 1 57.40 0.00 0.88 0.10 0.08 41.55 11:10:00 2 47.31 0.00 0.88 0.22 0.08 51.52 11:10:00 3 54.62 0.00 0.93 0.19 0.08 44.18 11:20:00 all 52.24 0.00 0.79 0.33 0.08 46.56 11:20:00 0 48.27 0.00 0.86 0.40 0.08 50.38 11:20:00 1 69.25 0.00 0.71 0.25 0.09 29.71 11:20:00 2 37.76 0.00 0.77 0.27 0.08 61.12 11:20:00 3 53.66 0.00 0.84 0.41 0.08 45.02 Average: all 51.46 0.00 0.86 0.25 0.08 47.34 Average: 0 45.86 0.00 0.94 0.29 0.08 52.83 Average: 1 63.33 0.00 0.79 0.17 0.08 35.62 Average: 2 42.53 0.00 0.82 0.25 0.08 56.33 Average: 3 54.14 0.00 0.88 0.30 0.08 44.60