---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17491 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: 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 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 593 10274 4 5121 15053 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:e3:2f:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84849sec preferred_lft 84849sec inet6 fe80::f816:3eff:fee3:2f60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:5d:29:e2:32:20 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-17491) 02/19/26 _x86_64_ (4 CPU) 10:26:55 LINUX RESTART (4 CPU) 10:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:19 23.52 0.86 9.13 13.52 618.79 2440.08 270709.33 10:50:19 14.45 0.53 12.93 0.98 19.36 1977.13 3901.17 Average: 19.05 0.70 11.01 7.34 323.44 2211.98 139249.76 10:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:19 8227180 11543052 4418096 26.98 118544 3357080 4640720 26.64 689840 7111468 620 10:50:19 9872088 13621120 2336284 14.27 137780 3742108 2518056 14.45 859968 5249232 13724 Average: 9049634 12582086 3377190 20.63 128162 3549594 3579388 20.55 774904 6180350 7172 10:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:19 lo 0.69 0.69 0.38 0.38 0.00 0.00 0.00 0.00 10:40:19 ens3 39.60 30.24 367.73 4.02 0.00 0.00 0.00 0.00 10:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:19 lo 277.74 277.74 264.11 264.11 0.00 0.00 0.00 0.00 10:50:19 ens3 38.55 25.56 409.45 3.68 0.00 0.00 0.00 0.00 10:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 137.20 137.20 130.32 130.32 0.00 0.00 0.00 0.00 Average: ens3 39.09 27.93 388.29 3.85 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-17491) 02/19/26 _x86_64_ (4 CPU) 10:26:55 LINUX RESTART (4 CPU) 10:30:01 CPU %user %nice %system %iowait %steal %idle 10:40:19 all 49.58 0.00 0.92 0.12 0.07 49.31 10:40:19 0 53.56 0.00 0.93 0.06 0.07 45.38 10:40:19 1 56.33 0.00 0.93 0.07 0.08 42.59 10:40:19 2 41.78 0.00 0.88 0.13 0.08 57.13 10:40:19 3 46.66 0.00 0.94 0.20 0.07 52.14 10:50:19 all 50.36 0.00 1.08 0.07 0.08 48.41 10:50:19 0 51.45 0.00 1.06 0.04 0.08 47.37 10:50:19 1 43.62 0.00 1.02 0.06 0.08 55.22 10:50:19 2 67.66 0.00 1.09 0.12 0.09 31.05 10:50:19 3 38.75 0.00 1.13 0.06 0.07 59.98 Average: all 49.96 0.00 1.00 0.09 0.08 48.87 Average: 0 52.52 0.00 0.99 0.05 0.08 46.36 Average: 1 50.08 0.00 0.97 0.07 0.08 48.80 Average: 2 54.53 0.00 0.98 0.13 0.08 44.28 Average: 3 42.76 0.00 1.03 0.13 0.07 56.00