Hi Jeff, Actually in Flink timestamps are simple longs. This means that you can assign anything you want as a timestamp, as long as it fits in a long.
Hope this helps and if not, we can discuss to see if we can find a solution that fits your needs together. Cheers, Kostas > On Dec 4, 2016, at 11:39 PM, jeff jacobson <jeff.harold.jacob...@gmail.com> > wrote: > > Wow. Really? Is there a way to do micros? A hack? A Jira story? Most (all?) > U.S. equity and European futures, options, and stock markets timestamp in > microseconds. This makes Flink unusable for a massive industry vertical. To > the extent lower-frequency time-series data is being used (e.g. end of data > prices), stream processing is kind of overkill. Love everything I've read > about Flink...there's got to be a way to make this work, no? > > On Sun, Dec 4, 2016 at 5:27 PM, Matthias J. Sax <mj...@apache.org > <mailto:mj...@apache.org>> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > Oh. My bad... Did not read your question carefully enough. > > Than the answer is no, it does not support microseconds (only > milliseconds). > > - -Matthias > > > On 12/4/16 2:22 PM, jeff jacobson wrote: > > Sorry if I'm missing something. That link mentions milliseconds, > > no? My question is whether or not I can specify microseconds where > > 1000microseconds = 1millisecond. Thanks! > > > > On Sun, Dec 4, 2016 at 5:05 PM, Matthias J. Sax <mj...@apache.org > > <mailto:mj...@apache.org> > > <mailto:mj...@apache.org <mailto:mj...@apache.org>>> wrote: > > > > Yes. It does. > > > > See: > > https://ci.apache.org/projects/flink/flink-docs-release-1.1/apis/strea > ming/event_timestamps_watermarks.html#assigning-timestamps > <https://ci.apache.org/projects/flink/flink-docs-release-1.1/apis/streaming/event_timestamps_watermarks.html#assigning-timestamps> > > > > > <https://ci.apache.org/projects/flink/flink-docs-release-1.1/apis/stream > ing/event_timestamps_watermarks.html#assigning-timestamps > <https://ci.apache.org/projects/flink/flink-docs-release-1.1/apis/streaming/event_timestamps_watermarks.html#assigning-timestamps>> > > > > "Both timestamps and watermarks are specified as millliseconds > > since the Java epoch of 1970-01-01T00:00:00Z." > > > > > > > > -Matthias > > > > > > On 12/04/2016 10:57 AM, jeff jacobson wrote: > >> I've sourced stackoverflow, the docs, and the web but I can't > >> figure out: does flink support microsecond timestamp resolution? > >> Thanks! > > > > > -----BEGIN PGP SIGNATURE----- > Comment: GPGTools - https://gpgtools.org <https://gpgtools.org/> > > iQIYBAEBCgAGBQJYRJhUAAoJELz8Z8hxAGOiNKoP32ChGeNd7N8Zco2q6lsu+Hxd > JZq62ey3wTrIUS+3oRlILwnu81cViQHtMMVBly3+YnqB85gNiaEUxEQTQCdKPl8G > AqxoFIkMcrKGzwGXigKnCAoVIiyuPeNuhY1d1yv4rWrkt7qb0lCC02Xoq1C0hoS6 > Stwk62GXmNRXPYpyjnSq/iAIMbjWaU+ZU0t4V3J8loroNuJ5QcUsJLfRXeo3/5ho > f42L+IANyB5K7vnTxNZYyf5ShNVbTY9/iFaviluxrCNztqGTo7CxMpcyWyMS3wcF > ycXcq/daB+guEJpW0sm4JtMPSsQ/kN99c/ig3t0HX1kDV7xrDDSF2qPvbYOWF38n > omTr7RY3YRFi5LOKvBGa96Aw5UYjMddjcqozWId6xgdXfvz6RUeJCWa9RW8I6ptg > 8TaJpM2WgDJMgMuzdl8dDv65l78DkLlNlNo53O66b/9Pt78P75KNjj8naD5kkj4C > i9amwnUNNEnZucA2/1vhzr6cVSzrzBLL7juVj0VmABZo4itUZjjR0UkN7MB+ioWU > trNhaXgE6EP/160n6D0/NUu02prm3jq8mK6gu9lZFWGbAeCUcch+CbvWSaiXAw3H > BOieCsgZD1wfXQJ3wEmnqj/YP94uDlx1IjynskDevjk6OIyIysbBSIqgsUK6fvQ8 > ztXO6ls7ARMOBmA= > =/O+Q > -----END PGP SIGNATURE----- >
