merchant_headers = historical_transactions.columns.values.tolist()

for c in range(len(merchant_headers)):
    print(merchant_headers[c])
    print('--------------------')
    print("{}".format(delayed(historical_transactions[merchant_headers[c]].value_counts()).compute()) + 'n')
    print("Number of NaN values {}".format(delayed(historical_transactions[merchant_headers[c]].isnull().sum()).compute()) + 'n')

distributed.worker - WARNING - gc.collect() took 1.991s. This is usually a sign that the some tasks handle too many Python objects at the same time. Rechunking the work into smaller tasks might help.
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.67 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.91 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.91 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.91 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.93 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.93 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.93 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.93 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.94 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.94 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.94 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.95 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.95 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.95 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.95 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.96 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.96 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.96 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.96 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.98 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.98 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.98 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.98 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.99 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.99 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.04 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.02 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.08 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.08 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.08 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.08 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.08 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.08 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.08 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.10 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.10 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.10 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.10 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.11 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.11 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.11 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.06 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.00 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - gc.collect() took 1.108s. This is usually a sign that the some tasks handle too many Python objects at the same time. Rechunking the work into smaller tasks might help.
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.22 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Worker is at 80% memory usage. Pausing worker.  Process memory: 3.21 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.21 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.21 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.21 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Worker is at 76% memory usage. Resuming worker. Process memory: 3.04 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.04 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.07 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.09 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.12 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.15 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.15 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.15 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.80 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.80 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.84 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.93 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.94 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.94 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.94 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.95 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.95 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.95 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.97 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.98 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.98 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.98 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.99 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.99 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 3.01 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.89 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.90 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.91 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.91 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.91 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.91 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?  Process memory: 2.92 GB -- Worker memory limit: 4.00 GB
distributed.worker - WARNING - Memory use is high but worker has no data to store to disk.  Perhaps some other process is leaking memory?