---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18296 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 12G 66G 16% / 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 656 8939 4 6393 14989 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:49:ee:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84574sec preferred_lft 84574sec inet6 fe80::f816:3eff:fe49:ee61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:2d:3b:95:d5:62 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-18296) 02/19/26 _x86_64_ (4 CPU) 10:36:53 LINUX RESTART (4 CPU) 10:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:14 25.25 0.43 22.01 2.80 20.98 2923.06 5962.41 11:00:03 31.50 0.01 28.26 3.22 0.16 2704.66 12037.11 Average: 28.34 0.22 25.11 3.01 10.68 2814.98 8968.59 10:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:14 9338248 12786288 3171984 19.37 136780 3434992 3289684 18.88 679992 5968116 35328 11:00:03 8903188 12935876 3019176 18.44 156300 3966584 3020580 17.34 801972 6247852 171464 Average: 9120718 12861082 3095580 18.91 146540 3700788 3155132 18.11 740982 6107984 103396 10:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:14 lo 1559.67 1559.67 1479.39 1479.39 0.00 0.00 0.00 0.00 10:50:14 ens3 37.36 29.82 54.31 8.71 0.00 0.00 0.00 0.00 10:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:03 lo 1519.42 1519.42 1447.09 1447.09 0.00 0.00 0.00 0.00 11:00:03 ens3 27.44 23.91 26.13 7.57 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1539.75 1539.75 1463.41 1463.41 0.00 0.00 0.00 0.00 Average: ens3 32.45 26.89 40.36 8.15 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-18296) 02/19/26 _x86_64_ (4 CPU) 10:36:53 LINUX RESTART (4 CPU) 10:40:13 CPU %user %nice %system %iowait %steal %idle 10:50:14 all 70.17 0.00 2.48 0.25 0.13 26.97 10:50:14 0 69.46 0.00 2.33 0.35 0.12 27.74 10:50:14 1 70.56 0.00 2.48 0.16 0.17 26.62 10:50:14 2 70.50 0.00 2.75 0.07 0.12 26.56 10:50:14 3 70.17 0.00 2.35 0.39 0.12 26.97 11:00:03 all 64.08 0.00 2.48 0.18 0.10 33.15 11:00:03 0 65.68 0.00 2.28 0.17 0.10 31.77 11:00:03 1 63.03 0.00 2.89 0.20 0.10 33.78 11:00:03 2 65.20 0.00 2.38 0.22 0.10 32.10 11:00:03 3 62.41 0.00 2.38 0.15 0.11 34.95 Average: all 67.16 0.00 2.48 0.22 0.12 30.03 Average: 0 67.59 0.00 2.31 0.26 0.11 29.73 Average: 1 66.83 0.00 2.68 0.18 0.14 30.16 Average: 2 67.88 0.00 2.56 0.15 0.11 29.30 Average: 3 66.33 0.00 2.36 0.27 0.11 30.92