---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9725 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 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 642 8800 4 6546 15004 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:13:01:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84345sec preferred_lft 84345sec inet6 fe80::f816:3eff:fe13:171/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:f7:fd:11:91:c4 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-9725) 02/12/26 _x86_64_ (4 CPU) 10:47:57 LINUX RESTART (4 CPU) 10:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 32.08 1.34 27.28 3.46 460.02 4201.92 23290.54 11:10:38 32.40 0.01 29.15 3.24 0.11 4594.25 13590.58 11:20:38 10.62 0.12 9.29 1.21 11.97 5875.71 1475.88 Average: 25.10 0.47 21.99 2.64 150.43 4893.01 12673.10 10:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 9125016 12837020 3120796 19.06 134900 3701388 3239372 18.59 800164 6067036 124840 11:10:38 7580884 12290904 3661696 22.36 156748 4629876 3670236 21.07 1100100 7251632 2332 11:20:38 9099220 15444348 503504 3.08 173688 6194724 1048744 6.02 1725600 5049080 4 Average: 8601707 13524091 2428665 14.83 155112 4841996 2652784 15.23 1208621 6122583 42392 10:50:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 1653.76 1653.76 1568.70 1568.70 0.00 0.00 0.00 0.00 11:00:01 ens3 51.24 39.25 274.90 10.14 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:38 lo 1194.71 1194.71 1136.32 1136.32 0.00 0.00 0.00 0.00 11:10:38 ens3 26.78 22.38 26.24 7.41 0.00 0.00 0.00 0.00 11:10:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:38 lo 230.92 230.92 6835.77 6835.77 0.00 0.00 0.00 0.00 11:20:38 ens3 25.51 19.59 95.74 29.68 0.00 0.00 0.00 0.00 11:20:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1022.20 1022.20 3158.16 3158.16 0.00 0.00 0.00 0.00 Average: ens3 34.15 26.83 128.37 15.64 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-9725) 02/12/26 _x86_64_ (4 CPU) 10:47:57 LINUX RESTART (4 CPU) 10:50:23 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 68.95 0.00 2.55 0.14 0.10 28.26 11:00:01 0 67.99 0.00 2.77 0.13 0.10 29.00 11:00:01 1 67.81 0.00 2.39 0.17 0.10 29.53 11:00:01 2 70.16 0.00 2.46 0.05 0.10 27.23 11:00:01 3 69.83 0.00 2.58 0.19 0.10 27.29 11:10:38 all 61.22 0.00 2.39 0.12 0.10 36.17 11:10:38 0 59.33 0.00 2.40 0.19 0.10 37.98 11:10:38 1 61.57 0.00 2.40 0.06 0.10 35.87 11:10:38 2 62.93 0.00 2.45 0.08 0.10 34.45 11:10:38 3 61.05 0.00 2.32 0.14 0.10 36.39 11:20:38 all 20.95 0.00 0.80 0.17 0.06 78.02 11:20:38 0 19.82 0.00 0.52 0.03 0.07 79.57 11:20:38 1 16.79 0.00 0.99 0.07 0.05 82.10 11:20:38 2 26.66 0.00 0.89 0.05 0.06 72.35 11:20:38 3 20.53 0.00 0.80 0.53 0.05 78.08 Average: all 50.33 0.00 1.92 0.14 0.09 47.52 Average: 0 49.00 0.00 1.90 0.12 0.09 48.90 Average: 1 48.71 0.00 1.93 0.10 0.09 49.17 Average: 2 53.21 0.00 1.93 0.06 0.09 44.71 Average: 3 50.41 0.00 1.90 0.29 0.08 47.31