---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14348 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 18G 60G 23% / 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 720 9618 4 5650 14926 Swap: 1023 1 1022 ---> 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:7c:8a:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79642sec preferred_lft 79642sec inet6 fe80::f816:3eff:fe7c:8a2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:ac:b4:a1:91:6a 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-16g-14348) 02/18/26 _x86_64_ (4 CPU) 12:35:44 LINUX RESTART (4 CPU) 12:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:22 134.47 23.53 92.65 18.30 707.46 29576.91 237522.93 13:00:23 19.07 1.90 16.29 0.89 26.01 1290.80 1923.34 13:10:26 12.69 0.06 11.95 0.68 2.01 382.57 1419.44 13:20:12 12.05 0.03 11.46 0.56 0.82 590.81 788.22 13:30:26 17.51 0.01 16.75 0.75 0.76 518.30 1531.48 13:40:23 6.36 0.00 6.10 0.25 0.16 178.74 268.71 13:50:02 5.50 0.02 5.29 0.19 1.49 159.29 279.34 14:00:26 5.31 0.00 5.14 0.17 0.29 151.48 276.30 14:10:23 6.51 0.01 6.25 0.25 0.58 256.13 465.92 14:20:03 8.52 0.08 8.10 0.34 3.13 467.58 305.62 Average: 22.77 2.56 17.99 2.23 74.00 3345.79 24389.95 12:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:22 905000 5662732 10261944 62.68 265152 4379404 11720668 67.28 2282116 12498444 255052 13:00:23 6729528 11381748 4545280 27.76 268120 4281444 5265120 30.22 2302936 6660108 3848 13:10:26 1259132 5855584 10070120 61.50 269268 4228176 10859804 62.34 2311624 12123032 300 13:20:12 10579668 15299380 632228 3.86 273576 4343448 1337960 7.68 2337144 2805784 9492 13:30:26 8055956 12845756 3085276 18.84 276264 4410820 4222400 24.24 2342896 5331428 7752 13:40:23 6614540 11421148 4508736 27.54 277240 4426636 5232384 30.03 2344500 6756968 28 13:50:02 4983540 9810276 6118712 37.37 277576 4446396 6836356 39.24 2346360 8388948 308 14:00:26 5068444 9915832 6013144 36.73 278140 4466444 6696740 38.44 2349468 8299480 68 14:10:23 10322620 15290180 641320 3.92 281488 4577744 1330080 7.63 2356096 3029236 72792 14:20:03 6379440 11372908 4556616 27.83 282488 4602480 5185732 29.77 2366128 6967968 392 Average: 6089787 10885554 5043338 30.80 274931 4416299 5868724 33.69 2333927 7286140 35003 12:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:22 lo 15.00 15.00 13.00 13.00 0.00 0.00 0.00 0.00 12:50:22 ens3 49.84 36.77 860.68 3.73 0.00 0.00 0.00 0.00 12:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:23 lo 20.25 20.25 9.55 9.55 0.00 0.00 0.00 0.00 13:00:23 ens3 1.05 0.92 0.20 0.18 0.00 0.00 0.00 0.00 13:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:26 lo 31.09 31.09 13.99 13.99 0.00 0.00 0.00 0.00 13:10:26 ens3 1.45 0.92 0.42 0.30 0.00 0.00 0.00 0.00 13:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:12 lo 14.01 14.01 6.22 6.22 0.00 0.00 0.00 0.00 13:20:12 ens3 1.57 1.48 0.37 1.54 0.00 0.00 0.00 0.00 13:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:26 lo 16.81 16.81 8.26 8.26 0.00 0.00 0.00 0.00 13:30:26 ens3 0.84 0.65 0.16 0.13 0.00 0.00 0.00 0.00 13:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:23 lo 18.46 18.46 9.25 9.25 0.00 0.00 0.00 0.00 13:40:23 ens3 0.80 0.57 0.18 0.14 0.00 0.00 0.00 0.00 13:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 28.01 28.01 11.38 11.38 0.00 0.00 0.00 0.00 13:50:02 ens3 0.58 0.43 0.12 0.09 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:26 lo 19.07 19.07 10.44 10.44 0.00 0.00 0.00 0.00 14:00:26 ens3 0.82 0.63 0.20 0.15 0.00 0.00 0.00 0.00 14:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:23 lo 11.34 11.34 5.94 5.94 0.00 0.00 0.00 0.00 14:10:23 ens3 0.69 0.56 0.21 0.17 0.00 0.00 0.00 0.00 14:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:03 lo 14.82 14.82 7.94 7.94 0.00 0.00 0.00 0.00 14:20:03 ens3 0.68 0.51 0.14 0.10 0.00 0.00 0.00 0.00 14:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.89 18.89 9.61 9.61 0.00 0.00 0.00 0.00 Average: ens3 5.81 4.33 85.93 0.65 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-16g-14348) 02/18/26 _x86_64_ (4 CPU) 12:35:44 LINUX RESTART (4 CPU) 12:40:26 CPU %user %nice %system %iowait %steal %idle 12:50:22 all 54.36 0.00 2.42 1.41 0.12 41.69 12:50:22 0 54.89 0.00 2.30 1.61 0.11 41.08 12:50:22 1 55.35 0.00 2.50 1.24 0.12 40.79 12:50:22 2 53.08 0.00 2.48 0.61 0.11 43.72 12:50:22 3 54.13 0.00 2.41 2.18 0.12 41.17 13:00:23 all 27.03 0.00 1.21 1.08 0.11 70.56 13:00:23 0 26.31 0.00 1.13 1.20 0.11 71.25 13:00:23 1 27.95 0.00 1.27 1.25 0.11 69.43 13:00:23 2 27.02 0.00 1.21 0.92 0.12 70.73 13:00:23 3 26.85 0.00 1.23 0.96 0.12 70.85 13:10:26 all 29.82 0.00 1.12 0.07 0.11 68.87 13:10:26 0 28.55 0.00 1.16 0.12 0.11 70.07 13:10:26 1 29.76 0.00 1.00 0.04 0.12 69.08 13:10:26 2 30.64 0.00 1.13 0.04 0.11 68.07 13:10:26 3 30.34 0.00 1.18 0.09 0.11 68.28 13:20:12 all 16.31 0.00 0.65 0.04 0.09 82.91 13:20:12 0 16.32 0.00 0.54 0.02 0.08 83.03 13:20:12 1 16.57 0.00 0.71 0.03 0.10 82.59 13:20:12 2 16.36 0.00 0.72 0.03 0.10 82.79 13:20:12 3 15.99 0.00 0.62 0.08 0.09 83.22 13:30:26 all 27.45 0.00 0.87 0.05 0.09 71.53 13:30:26 0 27.49 0.00 1.01 0.04 0.10 71.36 13:30:26 1 27.11 0.00 0.74 0.02 0.09 72.04 13:30:26 2 27.57 0.00 0.88 0.10 0.10 71.36 13:30:26 3 27.62 0.00 0.87 0.06 0.09 71.36 13:40:23 all 10.39 0.00 0.43 0.07 0.09 89.01 13:40:23 0 10.61 0.00 0.43 0.03 0.09 88.84 13:40:23 1 10.59 0.00 0.46 0.01 0.09 88.86 13:40:23 2 10.13 0.00 0.44 0.11 0.09 89.23 13:40:23 3 10.25 0.00 0.40 0.14 0.08 89.13 13:50:02 all 10.50 0.00 0.40 0.04 0.08 88.98 13:50:02 0 10.36 0.00 0.44 0.04 0.08 89.08 13:50:02 1 11.16 0.00 0.39 0.06 0.08 88.31 13:50:02 2 10.35 0.00 0.41 0.04 0.09 89.11 13:50:02 3 10.12 0.00 0.37 0.03 0.08 89.41 14:00:26 all 9.87 0.00 0.49 0.02 0.08 89.53 14:00:26 0 9.72 0.00 0.50 0.02 0.08 89.69 14:00:26 1 10.22 0.00 0.50 0.03 0.09 89.16 14:00:26 2 9.34 0.00 0.50 0.04 0.09 90.04 14:00:26 3 10.19 0.00 0.49 0.00 0.08 89.24 14:10:23 all 7.86 0.00 0.45 0.04 0.08 91.58 14:10:23 0 7.48 0.00 0.39 0.07 0.09 91.97 14:10:23 1 9.02 0.00 0.57 0.01 0.08 90.33 14:10:23 2 7.78 0.00 0.40 0.05 0.07 91.69 14:10:23 3 7.15 0.00 0.43 0.03 0.08 92.31 14:20:03 all 14.06 0.00 0.44 0.02 0.08 85.39 14:20:03 0 14.48 0.00 0.39 0.01 0.08 85.04 14:20:03 1 13.83 0.00 0.46 0.02 0.08 85.61 14:20:03 2 14.45 0.00 0.50 0.05 0.08 84.93 14:20:03 3 13.50 0.00 0.43 0.01 0.08 85.97 Average: all 20.79 0.00 0.85 0.29 0.09 77.97 Average: 0 20.65 0.00 0.83 0.32 0.09 78.11 Average: 1 21.19 0.00 0.86 0.27 0.10 77.59 Average: 2 20.69 0.00 0.87 0.20 0.10 78.15 Average: 3 20.65 0.00 0.84 0.36 0.09 78.05