---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21226 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 9.5G 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 603 11423 4 3962 15043 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:38:8d:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83428sec preferred_lft 83428sec inet6 fe80::f816:3eff:fe38:8dc8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:c4:54:38:64:da 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-21226) 02/26/26 _x86_64_ (4 CPU) 11:27:26 LINUX RESTART (4 CPU) 11:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:02 5.30 0.43 4.48 0.39 415.18 637.56 13451.30 11:50:01 1.34 0.01 1.33 0.00 0.04 15.66 254.76 12:00:06 38.81 4.00 34.19 0.61 248.07 2517.87 1343.66 12:10:06 22.39 0.65 18.62 3.11 23.28 3333.46 64160.78 Average: 17.08 1.28 14.77 1.03 170.30 1634.93 19818.15 11:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:02 13522296 15525112 489524 2.99 58840 2168424 1152380 6.61 322492 2272412 168 11:50:01 13520280 15523500 491156 3.00 59252 2168412 1152492 6.62 322908 2275156 204 12:00:06 11697180 14636996 1327668 8.11 109672 3011924 1888976 10.84 549944 3810896 239924 12:10:06 9403604 13050496 2907240 17.76 135020 3630884 3172660 18.21 803540 5770368 24 Average: 12035840 14684026 1303897 7.96 90696 2744911 1841627 10.57 499721 3532208 60080 11:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:02 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 11:40:02 ens3 10.88 5.63 215.97 0.51 0.00 0.00 0.00 0.00 11:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:01 ens3 1.08 0.19 0.24 0.11 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:06 lo 0.34 0.34 0.04 0.04 0.00 0.00 0.00 0.00 12:00:06 ens3 90.13 67.35 750.62 12.94 0.00 0.00 0.00 0.00 12:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:06 lo 29.30 29.30 6.79 6.79 0.00 0.00 0.00 0.00 12:10:06 ens3 35.93 27.69 142.75 7.13 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.51 7.51 1.72 1.72 0.00 0.00 0.00 0.00 Average: ens3 34.78 25.43 278.81 5.22 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-21226) 02/26/26 _x86_64_ (4 CPU) 11:27:26 LINUX RESTART (4 CPU) 11:30:18 CPU %user %nice %system %iowait %steal %idle 11:40:02 all 0.54 0.00 0.13 2.33 0.02 96.98 11:40:02 0 0.41 0.00 0.10 8.22 0.01 91.26 11:40:02 1 0.46 0.00 0.13 0.49 0.02 98.91 11:40:02 2 1.00 0.00 0.13 0.17 0.02 98.68 11:40:02 3 0.31 0.00 0.16 0.44 0.02 99.07 11:50:01 all 0.08 0.00 0.02 0.04 0.01 99.84 11:50:01 0 0.11 0.00 0.01 0.00 0.01 99.87 11:50:01 1 0.06 0.00 0.02 0.01 0.01 99.91 11:50:01 2 0.13 0.00 0.02 0.01 0.01 99.83 11:50:01 3 0.03 0.00 0.03 0.15 0.02 99.77 12:00:06 all 7.84 0.00 0.53 0.26 0.03 91.34 12:00:06 0 6.97 0.00 0.39 0.08 0.03 92.53 12:00:06 1 9.13 0.00 0.66 0.12 0.03 90.07 12:00:06 2 6.01 0.00 0.44 0.44 0.02 93.09 12:00:06 3 9.28 0.00 0.61 0.39 0.04 89.67 12:10:06 all 34.85 0.00 1.29 0.28 0.09 63.49 12:10:06 0 34.55 0.00 1.20 0.50 0.09 63.66 12:10:06 1 34.93 0.00 0.98 0.23 0.09 63.76 12:10:06 2 35.13 0.00 1.50 0.21 0.09 63.07 12:10:06 3 34.77 0.00 1.49 0.18 0.09 63.48 Average: all 10.89 0.00 0.49 0.72 0.04 87.86 Average: 0 10.58 0.00 0.43 2.16 0.04 86.80 Average: 1 11.20 0.00 0.45 0.21 0.04 88.10 Average: 2 10.62 0.00 0.53 0.21 0.04 88.61 Average: 3 11.17 0.00 0.58 0.29 0.04 87.93